Trifecta Tune or PCM Tune? - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 11 (permalink) Old 11-08-2013, 07:30 AM Thread Starter
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Trifecta Tune or PCM Tune?

I have just about everything ready for a tune, but debating on whom I should go for on a tune, got intake, header, exhaust, downpipe, 2.4 throttle body. That should be efficient enough for an XFE and daily driven IMO.

I hear good things from Vince of Trifecta tuning, understanding that his remapping of fuel is decent for a street tuned GM. We do have PCM of NC about 30 miles away that offers a full dyno tune for the 08+ cobalt PCM's.


Granted Trifecta will just give out basic numbers to recalibrate, turn off torque limiter, speed limiter, and a few other goodies. PCM will calibrate it correctly on a dynojet, cost difference between the two is only $100.

Which should I go for?

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post #2 of 11 (permalink) Old 11-08-2013, 08:26 AM
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post #3 of 11 (permalink) Old 11-08-2013, 09:29 AM
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I would always do a in person tune rather than an e-tune. Having someone there who can see everything real time rather than relying on logs and time between tuning, they can get it all done right then and there. Granted dyno tunes don't maximize a street car, however, they do give you the most power you can get out of it. I'd personally do the dyno tune since you don't have anyone there who can give you a street tune.

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post #4 of 11 (permalink) Old 11-08-2013, 10:16 AM
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Go w/ the dyno tune. I have Trifecta on my Cobalt & yea it's easy to use & flash the drive & stuff but, u have resources there to help u. That 30 mile drive will be well worth it. Instead of waiting for the flash to be e-mailed to u, u can just get everything done in person, in one shot
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post #5 of 11 (permalink) Old 11-08-2013, 10:55 AM Thread Starter
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Alright, thanks you guys. I wont get it done til early spring time, gotta get a standard tool set for my job first. I will probably roll up there with a tool box in a bag, swap out throttle body to the 2.4, then get it tuned

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Mods: K&N Typhoon Intake, Option Cat-Back Exhaust, Cosmo Short shifter, Maxxim Ahead 17X7's, MPx shorty antenna, FE5 Strut/shocks, Tein S Techs, Moog endlinks, Moog spring seaters, ZZP shorty header, LSJ downpipe, LNF front grille
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post #6 of 11 (permalink) Old 11-11-2013, 01:52 PM
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Is this done on NA cars or mainly a benefit on the FI cars?
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post #7 of 11 (permalink) Old 11-11-2013, 01:53 PM
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A tune will help get the most out of an n/a motor but you're not looking at nearly as much of an increase as something boosted

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post #8 of 11 (permalink) Old 11-12-2013, 06:18 AM
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That's what I thought, I am running HP tuners on my old truck but it is far from stock so it was in need of some attention. I thought about getting my son's hooked up with my software and see what I could do for it. I understand they are supported by the software.
I could do a street tune.
Thanks
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post #9 of 11 (permalink) Old 11-12-2013, 06:28 AM
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Only 07+ 2.2's, all 2.4's and all 2.0's are supported by hpt

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post #10 of 11 (permalink) Old 11-12-2013, 12:04 PM
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cool thanks for the info, now to decide if I try my hand at it.
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