CPE

Hello,

We are a manufacturer of Cold Air Intakes for Mazda cars. Our kit is unique in that you get a cold air kit and MAF customizer, which is used to tune the air/fuel ratio's. We are currently putting the finishing touches on both the Mazda 6i and 6s. Next up is the RX-8, we are expecting substantial gains becuase the RX8 runs so rich from the factory. Our company is looking for a protype in the Washinton D.C. area. For your cooperation you will recieve our intake and MAF customizer for the RX-8 at no cost to you. We cannot elaborate much due to the terms and conditions of this forum. For more information and horse power gains please contact me by private message. Thank you for your time and expressed interest.

THis is a link that will establish our credibility.

http://forum.mazda6tech.com/viewtopic.php?t=509

Very Respectfully,
CPE

rotarygod

A maf customizer sounds cool but I am begging with you, don't do another worthless cone filter kit for this car.

MajinBuu82

I agree with u on that one

WTF no turbo

Have an idea how long you will need it?

bureau13

I'm wondering about the whole MAF optimizer thing. As much trouble as Canzoomer has had getting his (I would think) far more programmable piggyback to work for everyone, can something like this really work consistently well?

All the comments on the Mazda6 forum referenced seem to be people enamored with the "hugeness" of the intake tube. I'm not sure just slapping on a "huge" tube an cone filter, as rotarygod indicates above, will do the trick. I wish people making intakes would take the time to understand the complexity of the stock unit first, and work on improving that system.

jds

XeRo

maybe that's the problem...they don't understand the stock box...intakes in the past haven't been this complex in form and function...as interesting as this thread sounds, I am, as always, skeptical of these 'substantial' gains from an aftermarket intake...not knocking the CPE guys at all by no means...just hope more thought goes into the thing before another "look-a-like" comes out...

brillo

these guys did a kickass job with the Mazda6 folks, so if there is anyone up there that can help this could be a really good mod.
see www.mazda6tech.com under the intake sections for more info.

Red Devil

Here is a more exacting link to an article on Mazda intake technology from them. Sounds pretty interesting from the read. I'm not too technically inclined, but I thought I could still get the gist of it.

http://www.mazda6tech.com/index.php?...d=14&Itemid=33

crossbow

If you guys are interested, start emailing CP-E. Explain to them about the results from the general "cone filter" rx8 air filters. Tell them what doesn't seem to work and what does work. You might be surprised at some of the solutions they come up with. They really spend alot of time producing a quality product. They even took the time on the mazda 6's to create a mounting system for the wiring harness (it rubs against the standard aem/injen/k&n intakes and can cause a short) to protect it, as well as a VAD actuator mount point...all combined in a nifty powdercoated heatshield over the wheel well.



I know the renesis is a completely different beast then a normal lame piston based engine, and I don't pretend to even have an inkling of an understanding of its functionality...but I don't think it'll hurt to start talking with the CP-E engineers. Who knows, maybe they'll come up with something that'll wow you guys.

Basically with a 3 inch intake pipe, and some A/F tuning (along with the maf customizer to nullify any cels from the giant pipe), the CP-E intake on the Mazda 6s toped out at...

200 WHP (no other mods)

With a 25 WHP peak gain over stock in HP, and a 20.0 peak gain in Torque.

The torque curve just goes beserko the gains are so high...its like +20 ft/lbs across the entire rpm band!!!



Our stock AF ratio was reaching 10:1 by redline (actually dips below 10:1!!!!!)...aka super ultra #1 ugly rich. So its a similar (though not really) situation to some of the richness the rx8's been experiencing.

Here's a FAQ on the CP-E unit for the 6.
http://forum.mazda6tech.com/viewtopic.php?t=1009

And here's the contact info for CP-E (

Custom Performance Engineering may be contacted here:
http://www.cp-e.com/contact.php?

Email:
sales@cp-e.com
customerservice@cp-e.com
info@cp-e.com]general information

Phone:
Sales: Josh Adams (410) 703-9365
Tech Support: Anthony Messina (301) 693-7531

Mail:
Custom Performance Engineering
6545 A Mid Cities Ave.,
Beltsville, MD 20705

Omicron

Good post, Crossbow. Maybe CP-E really will come up with something that's an improvement on the stock airbox. Fingers crossed here!

markris77

I just PMed CPE. Not sure if he found a car yet, but I'm in Newport News...pretty close. and damn if i don't like to drive, wouldn't mind shooting up there however many times they need me to. I'm about to put the Filter sold on Racing Beat right now, just stopped on here to look for guidance. Late --Mark

zoom44

i will vouch for the folks at cp-e and for crossbow's statements. thanks for chiming in crossbow. nice site you have over there. we also have a freind in common i think. i have followed the threads over at mazda6tech for many months and many posts now. the initial problem was a/f cels being thrown because of the large size of the injen intake. cpe stepped in with a way to fix that. these guys really seem to know what they are about and put alot of time into making a good product. i am excited to see them here. too bad im on the wrong coast. i probably should have been calling these guys since the "mafs expert" company i have been emailing doesnt seem to know how to answer an email!

2 things cpe should know- 1. mazda has done several pcm calibration updates that have taken alot of the richness away. 2. SOME, maybe 10%or less, rx-8 mafs seem to produce output voltages that are a bit lower than the rest.

markris77

Not for this post, but figured I'd share...
I just changed out my filter that i was refering to in the post above. Pulled the old one, dropped in the new one...now my car won't start?!?! i get power...no click or anything. WTF?!?! i just got it back from service today after a week!!! now back in tomorrow! i bet i have the record for how many times the car's been in the shop. --Mark

zoom44

you disconnected something and forgot to reconnect? you have an auto and its not in park?

markris77

the only thing i disconnected was the MAF sensor...i removed the ribbed tubing a bit so i could pry it back a bit more. But i rehooked the MAF sensor. I talked to Racing Beat and they weren't real sure. but he thought maybe disconnecting the MAF sensor might have triggered something and Mazda would need to reset it. wish i woulda picked up the ODB2 cable when i was at Canzoomers so I could just clear it myself...ugggh! but everything else is back on. i even tried dis and reconnecting the battery.

its a 6 speed BTW...bite your tongue! haha!

Japan8

If CPR is really interested, all they need to do is run a search on the forum here and they will learn plenty. Read the SDAIS thread, do a search for VFAD... that will get you startted.

crossbow

Unfortuantly with all the work their doing right now, they don't have time to forum browse. They will however visit any links you email them...they just can't go through 20-30+ threads digging through posts looking for information.

So if you have any suggestions for good threads which cover most of the basics, please do share.

I've pointed them to some of canzoomers mod's threads to show similar feats of engineering.

The primary function of the CP-E is adjusting the maf voltage to spec...thus allowing a rediculously off stock diameter pipe to be used, without irratic idling, odd A/F ratios, or Check Engine Lights.

This of course has the secondary effect of changing the intake sound note, and reducing the amount of resistance the maf has on the incoming airflow.

I unfortuantly don't have an rx8, or I'd already be over there pimpin the hell outta it and saying cool things about 3.9 liters, 2.6 liters, and 1.3 liters, and lengthened apex seals, and how the E-shaft is really a bitch when it starts tumbling around...street port that, Bridge that.

I just have a lowly family sedan that likes to go around cones quickly...damn opendiffy.

StretchSJE

If indeed the Canzoomer package uses E-manage hardware, then the A/F side of the MAF Customizer is indeed more advanced. The downside is that the MAF Customizer does not support control of ignition timing- yet. The CPE guys are pretty smart, I'll vouch for them.

I mentioned the multiple tuning charts to CPE. Sounds like a big headache. I followed Canzoomer's work very closely early on- even swapping a few very lengthy e-mails back and forth. Canzoomer's contributions to the car are great. Since then, I've heard of the effictiveness of the product dwindling off as Mazda releases more reflashes. Rumor is Racing Beat is having problems finding large gains, too. Does this mean the RX-8 is tuned better, stock, now? Or did they muck up the timing when they corrected the a/f ratio. Anyone want to bring me up to speed on the situation? I've found bits and pieces of information on this site, but I want to make sure I'm seeing the "big picture" correctly.

I was the donor car for their very the 4cyl Mazda6. The neat thing about using a larger intake is the induction sound. On a piston engine, the larger 3" intake pipe negates the desire for an aftermarket exhaust, but still sounds calm (re: inaudible) at cruising speeds. I love it. Following autox runs at some smaller events, I've gotten a bunch of compliments on my "V6 with an aftermarket exhaust"- only it's an i4 with the stock exhaust. It's a good induction sound. I have no idea if it'll translate as well to a rotary, but I do think the RX-8 is too quiet. I like enough sound to hear the shift points over road noise and cone-hitting thumps.

-Steve
An autocrossing nerd from Mazda6tech who talks regularly with the CPE guys

Speed Racer

So what is making the MAF customizer more advanced than an eManage?

StretchSJE

Dunno if CPE wants me to make that information public, but there's some stuff on the tuning side that makes it tuner-friendly.

rotarygod

If it is info that many people (obviously not here) know about, then I don't see the harm in telling anyone. If it is something that isn't public info that only you and they know, then I see an issue with telling what it is.

Hymee

iTrader: (1)

I just have one question to ask...

The MAF is a very accurate and sensitive instrument, and tells the PCM the precise amount of air that the engine is consuming at any one point in time. WTF would you want to tell the computer that it is taking a different amount of air than it actually is? Because it alters fueling? OK - But how many other things might it affect as well.

I am a very strong advocate of not messing with the MAF. I know others will disagree, and show how many "tricked MAFs" or computer trickers have been installed on cars etc. That doesn't mean it is a good idea, IMHO.

Cheers,
Hymee.

BTW - one more question - what reasoning goes into the earlier statement "the larger MAF pipe negates the need for a larger exhaust"? That one really floored me. It sounds like the noise is the name of the game, not power or efficiency! Oh dear.

zoom44

hymee before you scoff too loudly read the results for your self over at www.mazda6tech.com . i can assure you that after reading thru the intake threads there concerning injen and other intakes as well as c-pe's work plus the efforts of crossbow and stretch you will know they arent about the noise. these folks are making serious power improvements in the mazda6.

as for the maf customizer- you know as well as anyone else here that our car runs rich from the factory. playing with the maf voltage is one way to trick the computer into leaning out the a/f. and currently the only way that i am aware of. on the 6 (as well as the rx-8 i am sure) the pcm also has a pre-determined point at which it decides that you are running too lean. it will light up the cel and store a code. when 6 owners started to switch to the injen cai the computer would (on some but i dont think all) throw the too lean code. because the oem mafs was not design to to work with the size of the new cai pipe. the maf customizer gave them a way to not only keep the cel off but also managed to squeak out a few more ponies.

granted perhaps a better way to go about it would be to get a mafs that is optimized for the diameter of the pipe. and if a certain aftermarket mafs maker would return my damn emails i might have a lead on this. however than you would still have the problem of the pcm being programmed for rich a/f ratios which do not give you the best power.

r0tor

iTrader: (1)

Well, I really don't know much about CPE but it appears there MAF customizer can be tuned at all conditions rather then just at open-loop conditions like the eManage/CZ unit - so things likes the idle can be straightened out. While it doesn't seem to support ignition timing adjustments (and I'm not sure how much needs to be tweaked in that area - i'll leave the tuning gods to that), theres at least no possibility of frying your coils with it!


...and it seems to be 1/2 the price of the CZ/eManage

Hymee

iTrader: (1)

Zoom,

Not intending to start a flame war, not doubting the results. I know results are obtainanble with using MAF trickery, and I don't doubt that at all. I know it is a popular mod. I just question the wisdom of telling lies to the computer.

I never questioned there was more power - I just thought the statement made by StretchSJE was "interesting" - as it was related only to noise, not power.

Cheers,
Hymee.