Quote:
Originally Posted by mechman600
Headers aren't gonna do squat for mileage. They only benefit in the torquey RPM range. And if you are hypermiling, you will be well below those revs.
I would be disabling half of the V8. Remove the pan, unhook the rods on one bank and secure them all at TDC, put clamps (nut & spring kind instead of gear) on the empty rod journal oil holes to stop the oil spray. Disable the valve train on the same bank. Voila, a 2.5 four banger.
And aeromod the living crap out of it.
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Thanks but is that a good thing to do here? I have a lot of hills around here in Pennsylvania at this time. I'll keep the cylinder-delete in mind, going to a six cylinder engine may help (and some of these cars did come equipped with 6-cylinder engines but, I'm thinking of a Diesel swap too - so, I have to decide.) And yes, I am thinking of aero-mods. I read the wheel skirts for Pontiacs won't fit, but there's a great place to mod between the gas tank and rear bumper.