TPS interchangeability
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Joined: Feb 2023
Posts: 47
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From: Mt Washington KY
Car: 1955 Chevy Belair
Engine: 87 L98 from Corvette converted SD
Transmission: 700R4
Axle/Gears: 3.08 POSI
TPS interchangeability
Thanks for accepting me.
Can I put a 87 TPS on a 92 L98? I need to adjust it. The lowest voltage I can get is.72.
Can I put a 87 TPS on a 92 L98? I need to adjust it. The lowest voltage I can get is.72.
Last edited by MikeKy; Feb 20, 2023 at 01:46 PM.
Joined: Dec 2004
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: TPS interchangeability
Yes you can, .72 will work. Was iac adjusted before tps ?
Thread Starter
Junior Member
Joined: Feb 2023
Posts: 47
Likes: 3
From: Mt Washington KY
Car: 1955 Chevy Belair
Engine: 87 L98 from Corvette converted SD
Transmission: 700R4
Axle/Gears: 3.08 POSI
Re: TPS interchangeability
It was when I first put the car together (2004), but I haven't done anything to it since.
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Re: TPS interchangeability
The problem with adjusting an IAC is that as soon as it is plugged in, the ECM will "adjust" it to whatever it wants. Adjusting throttle minimum position is another matter altogether. We knew what you meant.
TP is correct that with the 1227730 ECM anything between 0.24 and 0.94V is suitable since the ECM will assume the "zero" position upon ignition power-up.
TP is correct that with the 1227730 ECM anything between 0.24 and 0.94V is suitable since the ECM will assume the "zero" position upon ignition power-up.
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