Got a stock 305 and a 700R4. Was going to retro roller cam and lifters, free up some pressure on the cam by using fuel pump in the gas tank and stay with a street cam. 570 spread boar and stay out of the secondaries. After saying all this I am looking for the best fuel millage I can get. Can I get better millage out of this 305 [ which I already have ], than a 350 ? And if this is so if anyone has some more ways to free up the engine or on the cam I should use I would appreciate the help. The picture is what it's going into, still in epoxy primer and still a long way off. Thanks
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