Quote:
Originally Posted by DaSkinnyGuy
Im going to toss an orange into here and make this apples vs orange
Heres my friends 98 corvette, a corvette is more aerodynamic and weighs less than a fbody. has an LS6 intake.He has also used Hptuners to tune the AFR below 7% TPS.

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The C5's mpg calculation is off by at least 4-5mpg. I have verified this through filling the tank and checking against the computer's average mpg reading. Also, one can reset that calculation whenever they want in the C5, and skew the results.