How to make a 1968 v8 430 engine buick riviera more gas effiecent?

A

Ali Hallal

New member
ok is thier any way from makin ga beast 430 v8 somewhat better on gas?

so im assuming normally itl get anywhere from 10-14 mpg in city right? I was told that

anyway to make it 17-18?

other than air filter and obviously not having a hard foot, is thier anything?
 
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