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Old 09-12-2013, 03:39 PM   #96 (permalink)
oil pan 4
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Quote:
Originally Posted by racprops View Post
I know..and that is more common...

And I switched the ECU for a hotter Cop ECU and lately i up graded the Tires to 18inch wheels and a wider and more sticky set of wheels and ONLY lost around 1 to 2 MPG.

I have tested and retested that MPG and it is still the same.

At 65 MPH I can get 27/30 MPG. This does drop down when I run 75/80MPH.

Rich
So how much did you spend 18 inch wheels just to lose 1-2mpg?
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
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