Thread: 350 vs 454 in mileage
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03-24-2004 07:25 PM #1
350 vs 454 in mileage
If you have gone from a 350 to a 454 big block.
Was there a big difference in gas mileage?
Could the Big block go 80% as far on the same tank of fuel?had a rebuilt 355SB chevy
it lasted 42,000km
Got another rebuilt 355SB
it lasted 62km.
I still have not had a powerful engine.
slowly building a quicker truck
Nice time despite the run arounds they put you guys thru
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