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305 to 383 conv.

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Old Jan 19, 2010 | 12:20 AM
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zakks92maro's Avatar
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305 to 383 conv.

besides the obvios engine work, what computer work and electronics from a 305 tbi to a 383 be? id like to keep thew tbi if possible, but would i need a bigger throttle body? a 350 tbi unit from a truck or corvette? or just bigger injectors if they make them? any computer bs id have tyo deal with?
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Old Jan 19, 2010 | 12:17 PM
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five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
A better place for information about your specific questions would be the TBI forum.

From what I understand, you need an intake that will flow better than available TBI intakes (typically a carb intake with TBI adapter), and 454 or aftermarket TB.

Plus extensive ECM tuning.
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