Stock 20 gallon tank,TPI,RV cam,700R4,33"rubber with 3:73 gears, I average 13-16mpg.
It all depends on how hard I am on the gas pedal.:p
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71 blazer,350SBC,approx.375HP,700R4,factory GM TPI.Dual electric fans,33x12.5x15 ATR on stock suspension.
Petrolia,Ontario,Canada but working in Port Huron,MI.
See ALL my Blazer pic's HERE
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