I really like the TKO's with the .64 overdrives. Our daily with 3.55's and a 27" tire cruises nice at 2000 rpm and 70 mph getting just over 21 mpg with a fat carb on it. We've even buzzed 85-ish mph when in a bit of a hurry and I still knocked down 20 mpg with it on that trip. It just doesn't seem to care.
Overdrives are a game changer.
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2019 Pontiac Heaven class winner
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