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Old 06-23-2013, 06:40 PM
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305 3x1 carb

I have a 91 caprice 305 tbi. I'm thinking of putting a 3x1 intake and 3 single single barrel carbs if they make them or 3x2 with carbs for a nostalgic look.

I would to keep most of the fuel injection in tact until im sure its the right look for my caprice.

If I run a carb setup close to the same cfm as my tbi which I think is 570 with the 3x1 or 3x2 carbs would I get the same mpg?

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Old 06-23-2013, 07:53 PM
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Quote:
Originally Posted by mafiacustomz View Post
I have a 91 caprice 305 tbi. I'm thinking of putting a 3x1 intake and 3 single single barrel carbs if they make them or 3x2 with carbs for a nostalgic look.

I would to keep most of the fuel injection in tact until im sure its the right look for my caprice.

If I run a carb setup close to the same cfm as my tbi which I think is 570 with the 3x1 or 3x2 carbs would I get the same mpg?
no.
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