My 86 K/10 long bed has a stock 305,stock suspension with 31" tires, 3:08 gears, 700R4 trans, dual 2 1/4 exhaust with stock manafolds, stock Q-jet, air pump,have no idea what timing is set at but uses 89 octane gas. I get about 6 MPG...
Chuck
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90 Blazer Silverado 350w/ 700R4 and 32" Kelly's
"I am a bomb technician. If you see me running try to keep up!"
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