hhhmmmmm.
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Junior Member
Joined: Mar 2008
Posts: 74
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From: Hudson
Car: 92' RS 25Th Anniversary
Engine: 305ci TBI
Transmission: 700R4
Axle/Gears: 10 bolt limited slip.
hhhmmmmm.
Say I was to switch from my TBI unit to, a 650cfm holley. Would there be a drastic loss in my gas mileage??? or would it even change at all???
Senior Member
Joined: Jun 2007
Posts: 428
Likes: 2
From: Elizabethtown,Ky
Car: 1984 camaro z28
Engine: L69 H.O
Transmission: 700r4
Axle/Gears: 3.73
Re: hhhmmmmm.
If you get it tuned right you shouldnt be able to tell a difference but i would go with a quadrajet instead.
Thread Starter
Junior Member
Joined: Mar 2008
Posts: 74
Likes: 0
From: Hudson
Car: 92' RS 25Th Anniversary
Engine: 305ci TBI
Transmission: 700R4
Axle/Gears: 10 bolt limited slip.
Re: hhhmmmmm.
well I also have an '86 z28. that has a factory quadrajet, Right???? What cfm would it be???
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