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#26 |
Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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Re: Best engine/trans set up for GREAT gas mileage
The stock Quadrajet on my '72 Nova got ~2mpg better than the Holley Spread-bore (650cfm) I put on it for a while, even after leaning the Holley primaries to the point of surging. Not to mention having better throttle response and low-end power. It's not just the primary size that makes the difference. The Q-jet has an extra booster venturi in the primary that makes it atomize fuel better than any other carb.
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#27 |
Registered User
Join Date: Mar 2008
Location: mount olive al
Posts: 176
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Re: Best engine/trans set up for GREAT gas mileage
try a 327 700r and a 308gear thats what i thought about doing that should cover you like a fat lady on a marble
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