My '65 pickup is 292 powered with a S10 5 spd. I have a HEI distributor, Dynomax headers and an Edelbrock intake with a quadrajet 4 bbl on a bone stock motor with over 100,000 on it and I get 16-18 MPG with it. Rearend is 3.73 and a 235/75R15 tire so not overly hard on fuel.....

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