noob needs help with mileage - only 10 MPG!

PoisonDart74 said
Slants suck on gas mileage, my 450hp 5.9 360 gets about 2 more mpg than what my slant got, which was 17. One of the reasons I axed the thing.
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By that logic, you should swap the 360 for a full-blown race hemi. Bet your mileage will jump to 20+.