I don't want to adjust my TPS so can i put a late model one on that reads 0 when started up.What would i have to do to the computer,anybody done it before.
Thanks

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1987 Trans AM GTA
305 5SPD
Hypertech airfoil
gutted maf
kn filter
High Flow Cat,
3"Walker pipe
Dynomax Super turbo Muffler
Custom Air Intake.

"Like a wounded duck i will continue to hobble alone"

 

SS,

The non-adjsutable TPS used on later TPI engiens requires the use of the later ECM. The ECM "learns" the base position of the TPS when the ignition is turned on, and presumes a "zero" point. While an earlier TPS might work on a later ECM, a later (non-adjustable) TPS would be a nightmare on an earlier ECM.

Just get the correct TPS if you need a replacement and set is correctly - there should be no problem with that.

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Later,
Vader
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"Fear is how I fall, Confusing what is real..."
Adobe Acrobat Reader

 

Uhm... the 90-92 TPS sensor is the exact same as the 85-89 one, I think... And it doesnt read zero on start-up, it reads whatever you set it to, .55-.65 is recommended. However, whatever value you set it at, the computer uses that for its starting point. The MAF computer is more sensitive to the TPS voltage on start-up.

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1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.23 @ 107.62 MPH
Southern California
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-=ICON Motorsports=-

 

I don't think so.91-92 tps is set at .84-.95
the 85-90 are set at .54

 

.84-.95 ????? Way too high. My 92 Helms manual says .55-.65, like I said.