Have you guys heard? We're free from fuel cut!

[www.cp-e.com]

It's amazing to me to think back a little over two years ago when the first Mazdaspeed 3/6's came out. I was so excited to start playing with them because the direct injection fuel system offered some really amazing advantages over tradition PFI setups. We could theoretically run engines leaner, run more compression, and make more power than ever before. Sounds great, right? Enter reality.

The first headaches with the Mazdaspeeds began when people started getting fuel cuts when they installed cold air intakes that didn't have properly sized MAF housings. That wasn't too hard to fix, but then the weather changed and the temperature dropped. This induced a seemingly random fuel cut, and maybe even more mysterious, people made /less/ power than in the warm weather?! The potentiometer-based winter fuel cut fix was a tremendous breakthrough, but overall wasn't the right solution.

But as if the Mazdaspeeds weren't fussy enough, fuel pressure issues started cropping up at about 300whp. Laloosh and I know /all/ about that stuff, lol. Anyway, it was clear no one wanted to stray from the DI system, so a high pressure fueling solution was developed. Everything looked good, but other little issues emerged as the power levels rose: The MAF sensor started maxing out, so we created a 3,25" housing and matching flash to alter the MAF transfer table. The throttle starting closing for no reason, so we developed a flash to keep it pinned. The factory MAP sensor only reads up so 23psi, and if you want to control a turbocharger reliably up around that pressure, you need more headroom. So we developed software for the Standback which enabled it to use a 3.5-bar sensor (~30psi). It's amazing how many things that had to be reverse engineered and fixed to start making some real power, and yet, things still haven't been quite right.

The one issue that's never quite been resolved has been the fuel cut. What once started as a small annoyance has turned into a full-blown nightmare. It's caused some of the most talented and driven people I've ever met to throw theirs arms up in frustration, and in some cases I can't blame them. I think it's safe to say that these DISI motors are no 4g63, at least, it hasn't been until now. We've been waiting for the time when the Mazdaspeeds actually run consistently with whichever big honkin blower any lunatic might choose. I think that time has come, so boys, let's start making some big numbers

Okay, so enough history, here are the details. Lou has been working for several weeks in developing specialized tools that would help him understand the fuel cut. Let me be explicit here: We did not put a band-aid over the boo-boo that will just create problems later. We didn't just tweak a few bytes in order to get the car to stop cutting under a specific condition. Lou reverse-engineered the fuel cut, found the switch, and shut set it to "OFF." The car will not, under any circumstances, fuel cut. What does this mean? Time warp to 1993. We are now tuning Mitsubishi Eclipse GS-T's. You can adjust fuel, timing, or boost any way you'd like and the car will not cut fuel. HOWEVER, that also implies that Mazda's safety Nanny has been put to sleep. If you make a mistake and your fuel pressure drops too low, or if your boost climbs 'too high' there is no more safety net. There will be no fuel cut to prevent disaster. So, now that all of the obstacles are out of the way, we can start tuning these cars like they're meant to be tuned, lol.

CrazyItalian (Robbie) delivered his car to P3 several months ago, and he basically asked them to build him the most powerful DISI MazdaSpeed3 in the world. Not a tough request all things considered, right? Well P3 is now wrapping up Robbie's project and I can personally attest to the quality of their work. I had the pleasure of sitting in on a boost tuning session with dadasracecar and y2kcowboy today and the thing absolutely rips.

Meanwhile, Lou was wrapping up some of the finishing touches on his fuel cut fix. He asked if I had anyone local that had an as of yet incurable fuel cut that we could use as a test case. I told him that I didn't know of any. Charles from P3 came back into Lou's office after finishing up some electrical work outside and he mentioned that Robbie's car had begun fuel cutting as it got later and the temperature dropped. Not ones to miss an opportunity, we flashed Robbie's car. We can't get it to fuel cut anymore...even at 24psi.

Since then we've tested the fuel cut flash on a SPEED6 and had equally successful results. Lou has since created a CX7 flash, and we're anxious to get it on a CX7 that has a persistent fuel cut. If anyone is willing to drive to our facility, we'd love to give it a shot, and we'll even lop off 50% off the retail price if you've never purchased our flash package. If you have, then we'll do the fuel cut flash for free. The only stipulation is that you must remove the ECU yourself! We can discuss this in more detail if anyone is interested though. Please contact me either by phone (301-576-6142) or by email jgartenhaus@gmail.com.

So please, post any questions that you guys have either about the flash itself, or any other questions about the fuel cuts and the implications of it's removal!

[Superstretch18]

Jordan, you really need to relocate the shop down to Florida.

Where's Otto, he was just talking about shooting for 300 whp and ways to avoid the cuts? :D

[www.cp-e.com]

Jordan, you really need to relocate the shop down to Florida.

Where's Otto, he was just talking about shooting for 300 whp and ways to avoid the cuts? :D

Tell me about it!! We're talking about moving down south in the next couple years, but I think we're only going as far as SC. I'll surely appreciate the southern charm and warm weather :D

I'm not sure that I know Otto, but we'd love to test the flash on his CX7! Do you happen to know where he's located?

[Cue]

Dealer detectable??

[www.cp-e.com]

Dealer detectable??

Sort of, lol.

The changes that we're making are totally undetectable by the dealer in the sense that they won't know what we've changed. The only evidence of some tampering is the fact that the flash date will differ from what's in Mazda's computers. If your dealer is smart enough to recognize this discrepancy, the response will likely vary from dealer to dealer.

[jgredd]

I'm willing and local... You have already flashed my cx. So pulling it again shouldnt be a problem..On a side note I was inquiring in the local forum about a Mazada meet and greet. Do you have any intrest in being a part of this?

[Raider]

Stretch and I will be racing, possibly driving each other off the road to get there first, if you move to FL!

[randy75s3]

I'll be drafting behind Raider and Stretch!

[NIX]

Jordan.

I am Alejandro From TTANALISYS in Mexico ( CP-E Mexico) You know me.

With this fuel cut flash that you can do now, we don´t need to change or tune the fuel pump? the solution is only software, because maybe you remember my problem in Mexico with the full cut that we have on the CX7 with stanback´s.

If this is the solution.

I will sent you the ECU. Please informe the $$$

[ottoblotto]

Im here! well this is just great... if cp-e was in SC id be in like flynn... im in savannah ga and a trip to md is over 600 miles... if i did that, we would have to mod the hell outta her! lol!

[Mike's CX-7]

Emailing Jordan now... I can be there today if you still need a CX-7.

[www.cp-e.com]

I'm willing and local... You have already flashed my cx. So pulling it again shouldnt be a problem..On a side note I was inquiring in the local forum about a Mazada meet and greet. Do you have any intrest in being a part of this?

Hi! Although I don't recall your name I do remember flashing your CX7. I hope it's treated you well so far :D

We would absolutely be interested in a Mazda meet and greet. We don't have any fancy show cars to bring, so I'm not exactly sure what function we can offer aside from meetnig folks and maybe answering some questions. Although, depending on how many folks show up, I may be able to swing like a raffle price or something. Shoot me an email with some info if you don't mind! jgartenhaus@cp-e.com.


Stretch and I will be racing, possibly driving each other off the road to get there first, if you move to FL!

Hah! What a mental picture... :p


Jordan.

I am Alejandro From TTANALISYS in Mexico ( CP-E Mexico) You know me.

With this fuel cut flash that you can do now, we don´t need to change or tune the fuel pump? the solution is only software, because maybe you remember my problem in Mexico with the full cut that we have on the CX7 with stanback´s.

If this is the solution.

I will sent you the ECU. Please informe the $$$

Hey Alejandro! Yep, I do recall that you were having some fuel pressure and fuel cut issues. The fuel cut is most likely coupled to the low-fuel pressure, and the flash will eliminate the cut, but it won't solve the problem. You need a larger fuel pump before you can really beat on the car reliably. Consider, if your fuel pressure is erratic, then your resulting fuel delivery from cylinder to cylinder will be as well.

We're doing some price restructuring on the FCF, but I think we decided that the flash will be free to those that have already purchased the throttle flash. I'll have to get some more details for you guys, but I think for $499 you get any flash option we offer. As a reminder, the ECU must be sent into our facility in order to flash the ECU.


Im here! well this is just great... if cp-e was in SC id be in like flynn... im in savannah ga and a trip to md is over 600 miles... if i did that, we would have to mod the hell outta her! lol!

LOL! What do you have in mind? ;)


I'm happy to report that Mike just arrived and we're starting work on his ECU. I unfortunately must leave the shop before the flash is finished, but I'm sure Mike will be more than happy to report back his findings. I'll keep my fingers crossed though! :D

[Mike's CX-7]

...I'm happy to report that Mike just arrived and we're starting work on his ECU. I unfortunately must leave the shop before the flash is finished, but I'm sure Mike will be more than happy to report back his findings. I'll keep my fingers crossed though! :D

Very happy to report indeed! :D The flash for me is new both for the Full Throttle & the Fuel Cut Fix.

For the Full Throttle - only good things to say. There is much increased power throughout the entire RPM range... not just the top end. It pulls harder even with a small increase in throttle. The ECU completely changes when to shift - holding to redline. The ECU keeps the higher gear in normal driving - passing in 6th, stays in 6th but feels like 4th!!! From full stop to WOT 1st AND 2nd is gone so fast that I need to relearn when to shift in manny mode. I was breaking traction easily - even from a rolling start in 3rd to WOT... all good stuff.

For the Fuel Cut Fix - I know the Flash is doing something, but I think I have actually now reached the physical limit of the fuel pump, because I still get Fuel Cut, but much different than before. Now that I have the Flash it is obvious that before I was getting a software initiated boost and fuel cut with an all-at-once loss of power in 3rd and 4th. Now I get a mild "stutter" you can hear out the tail pipe and feel as an inconsistent loss of power... which only happens right at and above 5K RPM. The Flash has clearly resolved the software limitation. I ran all that testing without the Standback which was used to tune out the software fuel cut before (thanks Cue).

Unfortunately now there is a bunch of ice out, so I'll have to test again with the Standback later. I did have the Standback in on the trip back from CP-E without any issues at all - just didn't get the opportunity (bad weather) to really push it.

Overall, this is a must-have mod... do it, do it right now! $ for $, this is the best power mod I've done. http://www.mcx7.com/images/icons/icon14.gifhttp://www.mcx7.com/images/icons/icon14.gif

[www.cp-e.com]

Very happy to report indeed! :D The flash for me is new both for the Full Throttle & the Fuel Cut Fix.

For the Full Throttle - only good things to say. There is much increased power throughout the entire RPM range... not just the top end. It pulls harder even with a small increase in throttle. The ECU completely changes when to shift - holding to redline. The ECU keeps the higher gear in normal driving - passing in 6th, stays in 6th but feels like 4th!!! From full stop to WOT 1st AND 2nd is gone so fast that I need to relearn when to shift in manny mode. I was breaking traction easily - even from a rolling start in 3rd to WOT... all good stuff.

For the Fuel Cut Fix - I know the Flash is doing something, but I think I have actually now reached the physical limit of the fuel pump, because I still get Fuel Cut, but much different than before. Now that I have the Flash it is obvious that before I was getting a software initiated boost and fuel cut with an all-at-once loss of power in 3rd and 4th. Now I get a mild "stutter" you can hear out the tail pipe and feel as an inconsistent loss of power... which only happens right at and above 5K RPM. The Flash has clearly resolved the software limitation. I ran all that testing without the Standback which was used to tune out the software fuel cut before (thanks Cue).

Unfortunately now there is a bunch of ice out, so I'll have to test again with the Standback later. I did have the Standback in on the trip back from CP-E without any issues at all - just didn't get the opportunity (bad weather) to really push it.

Overall, this is a must-have mod... do it, do it right now! $ for $, this is the best power mod I've done. http://www.mcx7.com/images/icons/icon14.gifhttp://www.mcx7.com/images/icons/icon14.gif

Mike, first off thank you so much for coming through and helping us test the FCF!! I know the weather conditions were less than satisfactory last night, so we all really appreciate you driving all the way out here. And of course, thanks for sharing your thoughts about it here! :)

I think you're right that your fuel pump is struggling, and I agree that's probably the stuttering that you're feeling. I've also felt this before, so I think I know what you're talking about. The good news is, when you do get a pump in there you'll get a good chunk of power where it normally stutters like that. The first person that ever installed a high pressure pump picked up nearly a half-second in the quarter.

But hey, let's stop playing the guessing game. When you have a moment grab some datalogs and we'll look at what's going on with your pressure. Hey look, it's a beautiful day today in Maryland go for it! :eek:

http://www.weather.com/weather/local/20705?lswe=20705&lwsa=WeatherLocalUndeclared&from=searchbox_localwx

But seriously, when you are ready to play I'll be happy to take a look at your logs to see if it is in fact the fuel pressure that's causing the weird stutter up top. Thanks again Mike!!

[Superstretch18]

Mike, you really need to get a dashhawk or something to monitor things. If you are running out of fuel, you could be running dangerously lean and not know it! At the very least, you should do some A/F logs through the standback...

[www.cp-e.com]

Mike, you really need to get a dashhawk or something to monitor things. If you are running out of fuel, you could be running dangerously lean and not know it! At the very least, you should do some A/F logs through the standback...

I agree, although strangely, a drop in fuel pressure rarely has much affect on the overall air/fuel ratio. Here's a good example:

http://i100.photobucket.com/albums/m32/lynxsr8/2-1.jpg

This is pretty typical from the logs that I've seen. As you can see once he reaches about 4000rpm its all over, but the AFR doesn't really change appreciably. Why? The computer recognizes that loss of pressure and lengthens the injector pulse-width in response. Remember that flow is pressure driven. If there is no pressure differential, then there's no flow. The lengthening pulse-width delivers more fuel because it's literally open longer. The problem here is that the injectors weren't designed to operate at 800psi under that load, they were designed for 1885psi. As a result injection quality, and hence combustion quality degrades.

I agree that Mike should check his AFR (although he unfortunately can't do that through the SB without some more hardware) but I just thought some would find it interesting that even with a drop in pressure the AFR might not go lean!

[Superstretch18]

That is strange. Makes sense though when you factor in injector pulse width. Somehow, the increased pulse width is not taming the knock that occurred when FP dropped on that log!

Just to be clear, I'm not implicating the flash in any of this. I think that Mike is just tapping out his fuel pump. It's not like any of these things would trigger a fuel cut anyway!

[Cue]

That is strange. Makes sense though when you factor in injector pulse width. Somehow, the increased pulse width is not taming the knock that occurred when FP dropped on that log!

Just to be clear, I'm not implicating the flash in any of this. I think that Mike is just tapping out his fuel pump. It's not like any of these things would trigger a fuel cut anyway!

This is my assumption as well.... he has an '07.

[www.cp-e.com]

That is strange. Makes sense though when you factor in injector pulse width. Somehow, the increased pulse width is not taming the knock that occurred when FP dropped on that log!

Just to be clear, I'm not implicating the flash in any of this. I think that Mike is just tapping out his fuel pump. It's not like any of these things would trigger a fuel cut anyway!

Ah no worries Stretch, I know there were no implications there ;)

I've got some theories as to why the car knocks sometimes when the fuel pressure drops. I think fuel delivery from cylinder to cylinder varies greatly, and as I said above fuel injection quality degrades. Part of the beauty of the DI system is the high pressure. When the fuel goes from ~1800psi down to the pressure in the cylinder, this helps atomize the mixture which greatly aids in combustion and cylinder cooling.

If you guys think this could make for an interesting discussion I'll be happy to post some more logs like this one in another thread.

[Superstretch18]

Go for it!

[Mike's CX-7]

Mike, you really need to get a dashhawk or something to monitor things. If you are running out of fuel, you could be running dangerously lean and not know it...


I agree ... that Mike should check his AFR (although he unfortunately can't do that through the SB without some more hardware)...


This is my assumption as well.... he has an '07.

Yes, yes, yeeeesssss... :rolleyes: DashHawk is top of my list. :D ...in fact it's going into my signature now. Anyone know of any good deals?

I'm not running lean - I coated the tailpipes of my new CPE Catback the first day. But, logging it is the next step.

So, it looks like I'll have a HF Fuel Pump in my future... adding to signature, cha-ching.

[Raider]

Mazda3online.com has them for $274.
(847) 736 1635 is their new number. Ask for Ken.
http://siteground207.com/~protegeg/product_info.php?products_id=849

[Mike's CX-7]

I've had a chance to run on this thing for a little while now and test 'er out. With the Standback in and undoing the stuff that got rid of cut before, I'm running well over 5K RPM without cut. I think because I had it clamped, that the ECU was decreasing fuel to match up with the lesser boost it thought it was getting. Increasing the clamp also increased the RPMs I was able to run before I cut, so I'll keep working with that. I supposed if the flash has resolved cut, I don't need to clamp at all? CPE please confirm, or tell me/us what the clamp should be set to.

[Cue]

Plus if your not clamping your boost, you should be able to get accurate boost readings from a DashHawk. Right now I can't, cause I'm telling the engine otherwise to help avoid fuel cuts.....

[www.cp-e.com]

I've had a chance to run on this thing for a little while now and test 'er out. With the Standback in and undoing the stuff that got rid of cut before, I'm running well over 5K RPM without cut. I think because I had it clamped, that the ECU was decreasing fuel to match up with the lesser boost it thought it was getting. Increasing the clamp also increased the RPMs I was able to run before I cut, so I'll keep working with that. I supposed if the flash has resolved cut, I don't need to clamp at all? CPE please confirm, or tell me/us what the clamp should be set to.

Yup, you're exactly right. The only reason why we were clamping the MAP sensor signal before was because if you exceeded a certain boost pressure it would fuel cut. Now that you've eliminated the fuel cut, you're welcome to put your "Boost clip psi" up to 23psi, which is the limit of the MAP sensor.

And as Cue said, now the DH will indicate the correct boost pressure, which is nice :D

[Mike's CX-7]

Great, I'll set it for 23 then... I'll have a chance to test it out tomorrow afternoon. I don't expect any issues, but I'll post up what happens.

[CX7-Rider]

Mike, 0-60 mph was ???? with your's modifications, and gas cost $

[Mike's CX-7]

Mike, 0-60 mph was ???? with your's modifications, and gas cost $

0-60 = Fast!!! ...I don't have a DashHawk yet, so no real data for me. But, Cue has run plenty of logs with virtually the same setup - so check out his posts.

On gas cost, since I've been modding I haven't noticed any change in mileage... but I do have the AWD model, so gas kinda has sux'd from the beginning. I don't drive many miles, so gas $$ has never been a factor for me (plus I have the cheapest 93oct gas in town right down the street).

My #s won't likely be close to yours because when I don't walk to work I drive ~1/4 mi... so I use more gas pulling out of the driveway than getting to work. Engine doesn't even get a chance to heat up, and I don't use more than a few psi of boost (4th gear at most).

I can do just over 300 miles from full to empty light on highway driving... but if I'm not the one passing everyone else on the highway, then something is wrong. :D

...so in other words, I'm not the go-to guy for accurate average mileage.

[mikomi]

Any recourse for those of us in another continent altogether?

[Mike's CX-7]

Any recourse for those of us in another continent altogether?

You can get the Standback and tune it out... plus get all the performance goodness that the Standback can offer.

=====

I was able to run around town for a bit today and am happy to say no cutting - even with the clamp virtually off (set to 23). I am consistently surprised at how much torque and power this thing has!!! I need to take a road trip and get used to this thing. ... 'cause I don't think I can make my lead foot any less heavy. :D

[www.cp-e.com]

Any recourse for those of us in another continent altogether?

Yeah, as Mike said yuo can always get the PnP Standback and enjoy the boost control and fuel/timing adjustments. But frankly I think the open throttle is a must on the CX7, and if you're going to send in your ECU for that you may as well get the fuel cut flash while you're at it.

We are making progress on being able to swap ECU's, so in the not so distant future we'll be able to send someone a new ECU and charge them for a core, similar to our fuel pump program. Unfortunately we're not quite there yet :(

[Superstretch18]

From start to finish, what is the typical turn around time for the flash? I know that this relies on the shipping company, but I'm curious what a realistic time frame is for this...

[www.cp-e.com]

From start to finish, what is the typical turn around time for the flash? I know that this relies on the shipping company, but I'm curious what a realistic time frame is for this...

As you said it depends most on shipping. We're usually able to turn burn ECU's out the same day, so time-wise you're looking at shipping both ways. We also have an expedite option, which I believe is an extra $35 that gets you return overnight shipping and we guarantee that it'll be flashed and shipped the same day. So if you go that route, you're looking at a couple days to get here (sent ground) and then a day for the return. So you could send it out on a Monday and get it back on Friday if you wanted. But again, it depends on your location and shipping options.

[mikomi]

Yeah, as Mike said yuo can always get the PnP Standback and enjoy the boost control and fuel/timing adjustments. But frankly I think the open throttle is a must on the CX7, and if you're going to send in your ECU for that you may as well get the fuel cut flash while you're at it.

We are making progress on being able to swap ECU's, so in the not so distant future we'll be able to send someone a new ECU and charge them for a core, similar to our fuel pump program. Unfortunately we're not quite there yet :(

Thanks for the info Jordan and Mike.

[Superstretch18]

As you said it depends most on shipping. We're usually able to turn burn ECU's out the same day, so time-wise you're looking at shipping both ways. We also have an expedite option, which I believe is an extra $35 that gets you return overnight shipping and we guarantee that it'll be flashed and shipped the same day. So if you go that route, you're looking at a couple days to get here (sent ground) and then a day for the return. So you could send it out on a Monday and get it back on Friday if you wanted. But again, it depends on your location and shipping options.

Thank you. I'll have to figure out when my next business trip is and schedule during that time! :D

[shadow1]

My #s won't likely be close to yours because when I don't walk to work I drive ~1/4 mi... so I use more gas pulling out of the driveway than getting to work. Engine doesn't even get a chance to heat up, and I don't use more than a few psi of boost (4th gear at most).


Why don't you walk? The wear and tear on your car is tremendous.

[shadow1]

Thanks Jordan! Kudos to CP-E!

[Mike's CX-7]

Why don't you walk? The wear and tear on your car is tremendous.

I do walk most of the time... it's only when the weather is really bad I drive.

[Mike's CX-7]

Plus if your not clamping your boost, you should be able to get accurate boost readings from a DashHawk. Right now I can't, cause I'm telling the engine otherwise to help avoid fuel cuts.....

I finally ordered the DashHawk - yay me! :D

Amazon.com has it $249.99 (free shipping):
http://www.amazon.com/MSD-Ignition-13100-DashHawk-Information/dp/B0014EXJVS

The countdown to log posting starts now. :rolleyes:

[Mike's CX-7]

I got my DashHawk - but I was a little disappointed... it was not new, the package was retaped back up, and the stuff inside was all undone and thrown in there. ...looks like everything is there, but I contacted Amazon anyway - it was supposed to be new, the order info and invoice clearly stated that. Anyway, they agreed, apologized and gave me a $50 refund.

So make that one DashHawk, for $199.99 - beat that! :D

Anyway, there is tons of stuff in this thing... I thought I saw on this forum a thread about the specifics, PIDs, settings, etc. - but can't find it. Anyone got a link?

[Cue]

http://www.dashhawk.com/downloads.html

Download the latest software for Gen II.

As well, this should have come with the unit, odbii cable, and L bracket, and plastic velcro for mounting. The plastic velcro is really good stuff cause it doesn't really wear down as you remove it and re-install.

[Mike's CX-7]

http://www.dashhawk.com/downloads.html

Download the latest software for Gen II.

As well, this should have come with the unit, odbii cable, and L bracket, and plastic velcro for mounting. The plastic velcro is really good stuff cause it doesn't really wear down as you remove it and re-install.

Already there... CD that came with it was an old version. Downloaded and workin' on the new one now. Everything was in the package - including a USB > MiniUSB cable you didn't mention.

I've updated my profile, and it is communicating with the DashHawk okay... I guess the screen doesn't come on until it's in the car, right?

I setup my PIDs based on your screenshots - hope I got them right.

Designing a splash screen now.

[Mike's CX-7]

Okay, so I've done some dataloging - nothing special, just making sure all is well. But, on the 0-60, QM, etc. I can only get the RPM and Speed to display... and they are duplicated (two of each).

How do I use the other two - for example, Speed, RPM and then also show AFR and KR?

I can do that in the datalog graphs, but then I don't get the QM, 0-60 etc.

[Cue]

Yeah... 0-60 can only log those 2 parameters. I usually just stick to the QM (2 extra parameters on top of speed and rpm), and the data logging (5 parameters of your choice x 3). How's the car logging with the colder plugs?

[Mike's CX-7]

Yeah... 0-60 can only log those 2 parameters. I usually just stick to the QM (2 extra parameters on top of speed and rpm), and the data logging (5 parameters of your choice x 3). How's the car logging with the colder plugs?

I must be doing something wrong then, because the QM uses the same graph - with only the two PIDs Speed, and RPM. There are four PID "slots" available, but Speed and RPM just get duplicated.

If I go to the settings editor - under the Data Logging Config, Qtr Mile Params I only get the two "slots". I can change Speed and RPMs to something else, but only two things at once.

The colder plugs have been great!!! The mini-backfires "pops" are 100% gone in near full throttle acceleration, and at least 90% gone in the intentional fuel cut during shift from the Standback (the rest I'm sure is tuning). I drove around all day today and never got even one pop.

I do get tons of KR with very little throttle (5-6) - no boost. If I give it no throttle or more it is fine and never over 1 - 99% of the time @ zero.

I ran a bunch of QMs (even with only speed and RPM), but I messed them up because I ran as soon as I pressed the button. I didn't wait for the red-yellow-yellow-yellow-green... so everything is off time-wise. Now that I know how it works and once I figure out the 4 PID thing on that graph I'll run them again (I'm not one to read the manual). :D

Back to the colder plugs... I haven't experiences any issues due to cold temps. We had a bunch of ice around here and I had it sitting out all day on purpose to check this... it ran fine. It was 16 degrees out the day I tried this.

So http://www.mcx7.com/images/icons/icon14.gif http://www.mcx7.com/images/icons/icon14.gif from me on the plugs - but still need to figure out the Dashhawk.

[Cue]

With the QM, Speed and RPM will always be there... just add 2 others like in example...

http://i529.photobucket.com/albums/dd334/VMS_Cue/DashHawkScreen.png

[Mike's CX-7]

With the QM, Speed and RPM will always be there... just add 2 others like in example...

Geesh... only thing I didn't try. MSD should default those to something other than speed and RPM, so that dumb a$$es like me can figure it out. :rolleyes:

I did however figure out all the other settings on that page... which should be:

Vehicle Weight = 4160 (AWD CX7 + Me)
Vehicle Frontal Area = 29 ft2
Vehic Coeff. Drag = 0.34

Speedometer Correction = 0.998 : 1 (255/55/18 Tires)

Displacement = 2.26 liters

For the Fuel Econ Type I have Gas w/ 10% Ethanol, but that type IS Premium so I don't know if I should really have it on Premium instead. The MPG average seems really high @ around 27MPG - for AWD that ain't right, is it?

[Zdraveca]

WOW the Full control flash is great!!!!!Just wanted to share :)
Thanks CP-e !!!!

[Dropspeed]

Just to clarify the FULL CONTROL FLASH includes the removal of the fuel cut?

Only asking because I don't see that on the CP-e site as one of the funtions of the FULL CONTROL


Also do the STAND BACK and the FULL CONTROL FLASH overlap in any way..(IE: can your control or adjust the same items the flash is changing when you purchase the standback)?

Thanks,
Matt

[shadow1]

The flash affects the e-throttle. That's it. The standback actually allows fuel and timing tuning.

[Dropspeed]

The flash affects the e-throttle. That's it. The standback actually allows fuel and timing tuning.


That what I thought as well.....but at the bottom of their original post it made it sound like it was part of the flash now.




........Lou has since created a CX7 flash, and we're anxious to get it on a CX7 that has a persistent fuel cut. If anyone is willing to drive to our facility, we'd love to give it a shot, and we'll even lop off 50% off the retail price if you've never purchased our flash package. If you have, then we'll do the fuel cut flash for free. The only stipulation is that you must remove the ECU yourself![/email].




-Matt

[Mike's CX-7]

The fuel cut fix IS part of the Flash, but it is an added option.

The StandBack can work around the fuel cut by clipping boost and MAF. It doesn't affect throttle position at all. ...which is a fine solution for fuel cut, but - for example - if the ECU sees less MAF and Boost, then tools like the DashHawk will report back that clipped value - not the actual value.

[Dropspeed]

The fuel cut fix IS part of the Flash, but it is an added option.

The StandBack can work around the fuel cut by clipping boost and MAF. It doesn't affect throttle position at all. ...which is a fine solution for fuel cut, but - for example - if the ECU sees less MAF and Boost, then tools like the DashHawk will report back that clipped value - not the actual value.


Mike,

1. Do you know how much the fuel cut option is...(can't find it on the CP-e site)

2. Are there any other options we can choose from?

3. Correct me if I'm wrong....but if I want my throttle plate to open 90 degrees, the fuel cut fix and then be able to tune It would require both the Full Control flash and the Stand back?

-Thanks,
Matt

[shadow1]

I would suggest contacting CP-E. They answer phones and emails promptly.

[Dropspeed]

I would suggest contacting CP-E. They answer phones and emails promptly.


Thank you, I tried yesterday and their message say sthat they are at PRI this week. (Perfomance Racing Industry show in Florida) and won't be open until next week.......

I will call them next week.

thanks,
Matt

[Mike's CX-7]

Mike,

1. Do you know how much the fuel cut option is...(can't find it on the CP-e site)

2. Are there any other options we can choose from?

3. Correct me if I'm wrong....but if I want my throttle plate to open 90 degrees, the fuel cut fix and then be able to tune It would require both the Full Control flash and the Stand back?

-Thanks,
Matt

1. If you go to the details page for the Flash here:
http://www.cp-e.com/2120.html ...you can see all the dropdown menus at the bottom of the page. The "option" menus have the Fuel Cut and Full Throttle in there. You get one option included for the price of the Flash, the other is $35 more.

2. There is an Mass Air Meter option but only applies if you have the bigger XL Intake here:
http://www.cp-e.com/2154.html ...this basically allows the MAF to read higher than normal. With the regular intake I have yet to get anywhere even close to the MAF limit.

3. You can't tune the throttle position or fuel cut with either. If you get the flash you will be able to hit 100% open throttle when you floor it, without the ECU limiting the throttle position at all. The only way you could "tune" that is with your foot on the pedal. The fuel cut fix is an on/off kind of thing. If you get that option then the ECU won't freak out when hit the set limits to cut fuel and boost. Evidence indicates this is load / torque target based, so basically you can mod to your hearts content without being concerned that you cut. No need to tune - the flash turns it on for good.

Sounds like all you need is the Flash with FullThrottle and the Fuel Cut Fix - for now.

When you're ready for the StandBack you'll be able to up the boost or map it specifically, map the fuel, map the timing, adjust the boost function (used to open/close the wastegate), map the MAF seen by the ECU, clip the Boost if necessary, and a bunch more.

The StandBack doesn't adjust throttle at all. It can however, prevent a Fuel Cut situation by clipping the Boost and MAF so that the ECU thinks everything is fine and never tries to cut anything.

[Dropspeed]

Mike thank you......I believe that answered all of my questions!


Thanks,
Matt