383/t56 mileage

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09-25-2008, 09:29 AM

curtis75

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Join Date: Mar 2008

Location: Walkerton ON Canada

Posts: 56

383/t56 mileage

What kind of gas mileage do you think I would get with 383 (approx 400hp) and a T56, I have 3.55 gears right now but I will probably swap then out for something like a 3.90 or 4.10 later

09-30-2008, 09:50 PM

MikeM79

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Join Date: Mar 2000

Location: East Quogue, NY

Posts: 9

My 383 is about the same hp but I run 3.73 gears with 5 speed tranny ( .67 fifth ). Anyway, I am about 19 mpg highway ( 65 - 70 mph).

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