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Old 05-13-2005, 01:50 PM
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Question which carb adaptor

There are so many different carb adaptors. I just ordered an edelbrock air gap intake which accepts square bore carbs, but for now i have to stick with what came on my 1989 350 mag...I know its spread bore, I think its a quadrajet. Can anyone point me in the right direction or tell me which adaptor I should get? thanks Harry
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Old 05-13-2005, 02:21 PM
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Default Re: which carb adaptor

From what I've read, everybody who has used carb adapters has had problems with uneven fuel distribution.
Save your money for holley carb.
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Old 05-13-2005, 02:45 PM
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Default Re: which carb adaptor

I would love to switch but I can't for a little while and I would like to use my boat.. For when I can which holley carb should I go with its a 1989 350 motor with vortec heads and an edelbrock air gap manifold.


ps..I still need to know which adaptor
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Old 05-13-2005, 09:16 PM
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Default Re: which carb adaptor

contact cfm technologies, he goes by CFM on speedwake, he can surely point you in the right direction
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Old 05-14-2005, 09:04 AM
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Default Re: which carb adaptor

I would think a 750 would be enough carb. Watch the classifieds and ebay. a lot of people move up to a bigger Holley on the big blocks that come with a 750.

I thinkEdlebrock makes an adapter. They should be as good as anyone.
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Old 05-14-2005, 03:14 PM
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Default Re: which carb adaptor

A 650cfm should be plenty of carb. Stock is 600cfm.
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