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06-24-2009 #1
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Recommendations for LT1 PCM custom programming
Who do you recommend or who to stay away from? I don't know of anyplace close to my home (just north of Indianapolis, IN) that does chassis style tuning, so would probably be a mail order type of programming.
Anyone use Trifecta performance, http://www.trifectaperformance.com/?Scot
86 Monte SS
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06-24-2009 #2
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These guys are great: http://www.pcmforless.com/. Quick turnaround and great customer service!
Chris
1968 Chevy Camaro SS
LT4 (coming)/T56 DSE suspension
1969 Oldsmobile Cutlass S convertible (442 Clone)
LS3/4L70e, DSE suspension
06-24-2009 #3
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^^^ x2, Bryan did mine. Worked the first time.
The few, the proud, the crazy... the LT1 owners.
06-24-2009 #4
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What mods have you done to your LT1?
Originally Posted by 69LT1Nova
^^^ x2, Bryan did mine. Worked the first time.Scot
86 Monte SS
06-24-2009 #5
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I originally had a hotcam/no emissions/MAF tune. I then changed to a speed density tune (same mods) and it was great. I had the first tune done in 02 and this latest version in 06. Both times the engine started and ran great.
The price is better than most and customer service is great.Chris
1968 Chevy Camaro SS
LT4 (coming)/T56 DSE suspension
1969 Oldsmobile Cutlass S convertible (442 Clone)
LS3/4L70e, DSE suspension
06-24-2009 #6
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Dumb question: Why change to speed/density setup? I thought the MAF setup worked better.
Scot
86 Monte SS
06-24-2009 #7
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Check with Speed Inc Scot. They were doing LT1 tunes not that long ago. Actually, one of their guys build a monster 383 LT1 TA recently. They should be able to do it for you.
Trey
"The early bird may get the worm, but the second mouse gets the cheese."
~ Jon Hammond
1979 WS6 Trans Am stock LT1/T56 drive train out of my Formula. BMW M-parallel rims. C5/C6 brakes
build thread https://www.pro-touring.com/showthre...ghlight=begins
06-24-2009 #8
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I asked if they can help & their reply was "sorry we can no longer program OBD 1 vehicles". I am waiting on a reply from PCM for less. Originally Posted by WS6
Scot
86 Monte SS
06-24-2009 #9
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I was trying to "clean" the front of the motor up (I had the standard F body 90 elbow with a filter). That was then, if I had it to do over I wouldn't. Not that SD is bad, but taking Hot air (IAT 150) directly into the intake will hurt performance. That is why. Originally Posted by Samckitt
Chris
1968 Chevy Camaro SS
LT4 (coming)/T56 DSE suspension
1969 Oldsmobile Cutlass S convertible (442 Clone)
LS3/4L70e, DSE suspension
06-25-2009 #10
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Not a whole ton. Cam is the stock cam (I know, I know...). I have a bunch of bolt-ons. Cold air, headers, throttle body coolant bypass, smog delete, 3.42 gears, etc. Originally Posted by Samckitt
Big thing with PCMforless is that they have done a million different LT1 combinations, and more than likely have already done a combination close to yours.The few, the proud, the crazy... the LT1 owners.
06-26-2009 #11
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If You want to do it yourself, check out thirdgen.org
http://www.thirdgen.org/techboard/Oliver Shultz
It's OK to giggle and snicker. don't laugh and point
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