Quote:
Originally Posted by awhite4557
71 SWB 5.3 4L60E 308 gears, 16-17 MPG
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Just for reference, I have the same exact truck, '71 swb 3.08 gears but only with the original 350/350 combo and I get 12. Don't remember what my 6.0 swap got, but I'm hoping for high teens with my 5.3.
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