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Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

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Old 11-06-2008, 10:47 PM   #1
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Join Date: Nov 2008
Location: Mobile, AL
Posts: 57
Car: 1989 Camaro IROC-Z
Engine: 305ci 5.0L (TBI to carb)
Transmission: manual

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350 to 305 intake manifold

Will an intake manifold from a 1974 truck with a 350 fit on a 305 TBI for an '89 IROC-Z Camaro? Thank you for your help.
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Old 11-06-2008, 10:50 PM   #2
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Location: Rio Oro de Santa Ana, San Jose, Costa Rica
Posts: 19,804
Car: 1984 Z28 Hardtop / 1988 IROC T-top
Engine: 383 Carb / 305 TPI
Transmission: 4L60 / T-5
Axle/Gears: 3.54 Dana 44 / 3.08 10 bolt

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Re: 350 to 305 intake manifold

The center bolt angle won't match, but it can be made to work.
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Old 11-06-2008, 10:51 PM   #3
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Re: 350 to 305 intake manifold

Any advice on how to make it work? I just bought a 89 in the process of being converted to carb... intake manifold came with it for free, wondering if it can be done easily enough
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Old 11-06-2008, 10:58 PM   #4
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Join Date: Jan 2000
Location: Rio Oro de Santa Ana, San Jose, Costa Rica
Posts: 19,804
Car: 1984 Z28 Hardtop / 1988 IROC T-top
Engine: 383 Carb / 305 TPI
Transmission: 4L60 / T-5
Axle/Gears: 3.54 Dana 44 / 3.08 10 bolt

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Re: 350 to 305 intake manifold

You'd need to slot the bolt holes in the intake and use angled washers. Even still, for as meager as a stock 75 intake is, I'd just find another intake.
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Old 11-06-2008, 11:24 PM   #5
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Location: Mobile, AL
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Car: 1989 Camaro IROC-Z
Engine: 305ci 5.0L (TBI to carb)
Transmission: manual

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Re: 350 to 305 intake manifold

ok... sounds like getting a new intake is a good idea. I've purchased a Holley 4165 double pumper carb, and like I said before, the engine is a 305 tbi in an 89 camaro... any advice on what type of intake to buy?
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Old 11-06-2008, 11:24 PM
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1974, 1986, 1989, 305, 305350, 350, 89, camaro, carb, carbureted, fit, intake, iroc, manifold, match, motor
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