Finally got my car, woohoo.

for phase 1 I am doing A3076s, exhaust, GT2rs intercoolers. For phase 2 I plan on a short block build (rods, studs, etc), headers, and bigger intercoolers.

I obviously want to tune the car for phase 1. for some where around 3K i can have the car tuned on the stock ECU. probably sufficient.

However, with my later goals in mind are there drivability/usability advantages to the aftermarket options? disadvantages? I know from tuning other stock ECus when you start making more power you have to scale tables due to lack of the ECU to read high boost, etc.

Also, an aftermarket ECU would offer the ability to control boost, flex fuel, etc offsetting the cost of a decent boost controller.

Phase 1 power goals are whatever I can do reliably on stock rods... dont really care.

Phase 2 I want to make roughly 700/900 (pump/race) or somewhere in between on E85.

most of my past experience says that a stock ECU is better if you can make it work for a driver.. but the latest plug and play solutions look pretty nice.

Car will be a street car. Wont really race it much. I have race cars for racing... which have aftermarket ECUs

 

I would look into picking up a syvecs ecu. Great product...

 

Subscribing. This one should be interesting

 

Short version, any of the established standalone options (ProEFI, AEM Infinity, Syvecs or a Motec) will be better than a stock DME/EBC setup, especially if you're considering features like FlexFuel, Anti-Lag, Boost-By-Gear, Aftermarket Traction Control, etc.


Honestly, you should choose which standalone by deciding 1st which tuner you want to use, and going with the platform they have the most experience with. IF you're actually dead set on one (which it doesn't seem like), be prepared to send your car to a tuner who has experience with Porsches.

 

The job can be done on stock ECU, 900hp isnt that much these days for our engines and a lot of setups use stock ecu, if money isnt a problem going standalone is always better, if I were you I'd choose only from Motec and Syvecs, I bought also a Syvecs S8 with all the options you mentioned above and a lot more

Cheaper than those is Pro-Efi that does also good job for some setups, I know nothing about AEM, I would check also plex boost controller might be an interesting option too, as its a smart boost controller with some basic features of a standalone

 

Yumaverick had amazing results sings Syvecs.

 

It does sound like your goals could be met on stock ecu. That being said, you could get the Cobb Accessport for under 2k which packs a bunch of useful features and won't be obsolete as you continue upgrading. Look at what they do with the GTR to see what Cobb is working on for this platform. Plus, fastest GTR in the world runs a Cobb

 

AMS uses Cobb?

 

talk to prodigy on here. he ran proefi on his 996 turbo to over 1100 rwhp and i think uses the cobb setup for his 997 turbo and has hit close to 700 rwhp. its all about the tuner moreso than the hardware at this level of power

 

I was talking about English Racing. I didn't realize but looks like AMS does now have the record with the Omega running Syvecs

I believe AMS does use Cobb up to their Alpha 12 packages. From 14/16 packages looks like they use Syvecs

 

I know my goals are modest these days, hence going back and forth. I think the only real feature that grabs me is flex fuel. Traction control would be nice, but for my use a simple boost by gear or by MPH would probably be fine.

Sounds like from a engine control side any option will be plenty for the sub 1Khp goals. its really stuff like flex fuel, antilag, traction control (etc) that you gain. Good to know. that means the stock ECU is pretty good!

 

If you're looking for some forums users to ask questions, those I know are:

1. Motec - Tim941NYC
2. ProEFI - prodigymb (996), 32krazy!, TopGun, DSCOFF, and 2swoosh
3. Syvecs - yumaverick, Fadi, and MegioN
4. COBB - prodigymb (997) and ecpChris; lots of others using it on 997.2 cars

Don't know anyone with the AEM Infinity. I know it offers lots of similar features (FlexFuel, Anti-Lag, Boost by Gear, Aftermarket TC, etc), but the big thing it's been market on (turbo E46 M3 market) only works for 6MT cars, so the SMG crowd gets screwed.


Other cars I know of running the various setups, the Mayhem Porsche and BBi/King Kong Porsche's both use ProEFI, presumably AMS will offer COBB in the standard Alpha package, but Syvecs for customers who want something more. I think the yotechperformance car (and/or ESMotor) are getting Syvecs as well. COBB offers Flex Fuel & Anti-Lag for the GTR, so it's possible it could come to the Porsche market as well.

 

Jordon, for most who don't know is a bad SOB when it comes to building a car and the understanding of most aftermarket ECU's.

Honestly though on the 997.1 we are at the ~900rwhp area on the stock ECU (Tony @ EPL Tuned) with a stock motor using a3076's. The only downfall is the ability to instantly swap from E85 to pump fuel. Though all we run is MS109 and 93oct in my brothers 997.

On the 996 we made 843rwhp on a stock ECU tuned by Tony @ EPL. We used Alpha-N to tune, but it was remotely done so at the time making the CEL happy was not possible (Since then it's changed). We ran an HKS FCon (wired/tuned by Justin N (Tuning Concepts)) at 868rwhp on 109. When we built the motor my car we kept the HKS still and made 1040rwhp on E85 with 0 issues. Now with the current build (back at Boost Logic finally) we are using the Syvecs S8 ECU to control every bit of it.

If you make it down to Houston before TX2K hit me up and I can bring out Matts 997. I've been nothing short of impressed on how well the stock ECU is holding it down with my brothers current setup on a stock motor.

 

The 997 guys have been seeing some great results with the custom tuning on the Cobb AP (stock ECU)...I suggest looking into that. The most important thing is talking to a few tuners to get the spectrum of opinions on "their preferred options". I can't speak for others, but Garth at Undercover would be able to walk you through both ProEFI & Cobb.

 

Powell.. thanks for the kind words, ha.

I will probably be in Houston sometime relatively soon. The Karting shop that I race for is down there, and we will be starting pre season testing soon.


ProEFI is VERY competitively priced.. found a pre-purchased one (used but barely) for under $2500. This seems like a no brainer compared to a Cobb @ $2k...

What are the downsides? CEL lights, etc?

MIT- thanks for the direct listing.. hopefully some of those folks will chime in. Otherwise I might ping a few on the proEFI setup..