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Old 01-31-2008, 08:27 PM
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gas mileage V6 vs V8

Hi, I have a 1988 Ford Bronco II with a 2.9 V6. It is fuel injected and gets around 24 mpg during highway driving. The only problem is that it does not have much power. What do you think a motor like the one below would do with respect to gas mileage compared to the current V6?

AFR 165cc heads
10:1 compression
~212 @.050 .500 lift hyd roller cam
fuel injection
free flowing exhaust

Has anyone built a relatively mild motor like this and tested the gas mileage?

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