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What Knock Sensor to use?

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Old 07-24-2006, 08:10 AM
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Car: 1990 Iroc-z and 1989 Iroc-z Conv.
Engine: 350 TPI Vortec 472RWHP
Transmission: Tremec TKO
Axle/Gears: 7.625/3.73
What Knock Sensor to use?

Hi all,

I took my 305 TPi (1990 MAP) out and put a 350 vortec that came from a 98 truck.
I've changed the heads with a set of hi flo vortec heads, added a big cam, lifters, etc. I know I have to change the Knock but wich one to put on?
a 350 1990 TPI from a Camaro ?
maybe from a vette is better? (since it has now aluminum heads).
a other one?

Thanks guys.
Old 07-24-2006, 08:53 AM
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Car: 86 T/A
Engine: HSR 355
Transmission: 700R4
Axle/Gears: 2.77 posi
I'd say a stock 1990 350 knock sensor since its designed for the ECM.
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