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Thread: PCM swap for a older T/A
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12-29-2014, 06:36 PM #1
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PCM swap for a older T/A
Hello, quick question.
I just thought of the idea of doing a pcm swap to see if the car would run more efficient. I thought about swapping out my old PCM for a 97 PCM from a 6 speed Trans Am. I'm trying to get passed 115 mph since that's my top out speed(Someone told me on the forum that you can swp out the pcm for another to cure this problem. But I don't know how accurate that is.) and get ride of the codes in the process. Just wanna know thoughts and opinions. '96 Trans Am A4 2:73 gears
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06-23-2015, 04:18 AM #2
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^^^^^^^^^^^^^^^^^^^^^^^^^^
Uhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh hhhhhh
I need to sig that hey sexy
OP I'm not sure. It could be a tune issue. I've never heard of a car topping out at 115 due to the PCM. I've done over that in my car which is don't recommend :P
It could be a tune issue too.
14.307@98.21, 2.155 60'
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06-23-2015, 05:24 AM #3
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@meissen ^^^ lol
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06-23-2015, 05:55 AM #4
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- Brian Meissen -
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06-23-2015, 06:27 AM #5
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Thabk You B!
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07-18-2019, 10:29 PM #6
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My 1995 Formula would hit a hard limiter right around there. But, it was also the only that I know of that didn't get Z rated tires.
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07-19-2019, 07:30 PM #7
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For future reference, cars that came on H rated tires got a 115 MPH speedo and corresponding speed limiter.
Originally Posted by Ryan Stout
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07-19-2019, 07:40 PM #8
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And, the speed limiter can be changed in the tune. Does not require a PCM replacement.
While it is believed that the cars that left the factory with the Z-rated tires “have no speed limiter”, in fact they do. 255 is entered in the program field. That number was selected because it is the largest discreet (1 MPH increment) binary number that will fit in an 8-bit field. So... yes, for all practical purposes, there is no speed limiter.
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07-19-2019, 09:57 PM #9
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It's gotten a little slow around these parts sadly. Originally Posted by Injuneer
Originally Posted by Ryan Stout
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07-24-2019, 11:28 PM #10
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It's a sign of the times unfortunately... Facebook and everyone and their mom starting a page for lt1 this and ltx that... no one has time for the forums and actual RIGHT answers from people who actually KNOW. Originally Posted by Fastbird
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Our BIG MOMENT @ the 2012 LTXshootout
http://www.facebook.com/photo.php?v=521756391174175
1996 Camaro Z28: RIP 09/25/2016
1994 Trans Am GT: SOLD 05/2017
1985/1996GS clone: SOLD
1996 Impala SS H/C, LT, with true dual exhaust, 4.10s, lowered, with CPT trans, many cosmetic mods, and a whole lot more to come...
2002 Caddilac EscaladeL CAI, lowered, 6.0 , AWD..
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