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Old 08-03-2004, 10:32 PM
 
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Tbi To Carb Swap

i got a 1982 trans am with the 305 what i want to do is replace the motor with a 350. my choices are a 1988 350 tbi, 1996 vortec tbi,or a 1995 lt1 out of a caprice or a camaro.can i convert these motors to carb?what do i need as far as intake fuel pump,will my oil pan from my 305 fit?what about my front acsessories? and what should i do about my distributor will my hei from my 305 work? also are these motors roller cammed any help at all would be greatly appreciated

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Old 08-04-2004, 07:01 AM
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I would use the Vortec engine if it`s complete, it has a roller cam, all you would need is a edelbrock Vortec intake, your accessories should bolt up. Don`t use the factory HEI, it`s computer controlled, and has no mechanical or vacuum advance, so you would need a 80 and before HEI with mechanical and vacuum advance. If your car uses a electric fuel pump you can buy a regulator for it or disconnect it and use a mechanical.
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Old 08-04-2004, 07:52 AM
 

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In my own humble opinion: why would you want to go with a carb? Fuelies are so much better. (uh oh here come the arguments). Get a couple of books and learn a little about the GM Fuel injection. You'll probably realize that it's not that difficult to transplant a fuelie.
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Old 08-04-2004, 09:43 AM
 
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I have a similar dilemma - I have mechanical FI at the minute but I want to put a big carb on instead. I'll only do it if it means more power though!
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Old 08-04-2004, 09:25 PM
 
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yeah i think i am going to go with the vortec motor only question is what oil pan do i use? i would like to keep it tbi but right now using a carb would be the most cost efficient thing to do cause i would have to buy a harness to convert to injection . with carb all i have to do is get a vortec intake i have all the other parts already
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Old 08-05-2004, 12:13 AM
 
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All I can say is, If it's already TBI equiped, then DONT CHANGE IT! You'll find the TBI setup is much better than a carbed setup.
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