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Old 02-05-2007, 02:06 PM
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Default Re: 4.7 V8 vs. 5.7 V8

Quote:
Originally Posted by bbfirebird View Post
Well, the 5.7 probably gets *slightly* better mpg during normal driving thanks to the extra overdrive gear with the 6-speed transmission. But those drivers with a heavy foot will get better mpg with the 4.7 than the 5.7, because if you get on the gas hard, the 5.7 will start consuming lots of fuel.
I think the 5.7 was also made to be more efficient as it has a different intake and exhaust set-up. I agree though that someone who doesnt need the extra power can buy the 4.7 and get better gas mileage than someone like me who would get the 5.7 and drive it a lot harder.
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