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throttle body options

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Old 04-27-2015, 07:57 PM
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Car: 1986 Trans AM WS6
Engine: 383 Vortec TPI, PUTS SMILES ON FACE
Transmission: PATC LVL 3 Raptor Transmission
Axle/Gears: 3.27 POSI 9 BOLT
throttle body options
I have a 1986 trans am.. Lb9 are there any bolt on throttle bodies that is 52mm... And are they just drop in rep or will I need to modify?

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Old 04-28-2015, 06:14 PM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: throttle body options
Stock 48mm can be bored to 52 mm, professional products, tpis, as&am, bank / edelbrock, Holley .
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