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Another fuel economy check with my '65 one ton

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11-03-2014, 09:13 PM

66Submarine

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Join Date: Sep 2012

Location: Dallas, GA

Posts: 1,497

Re: Another fuel economy check with my '65 one ton

Quote:

Originally Posted by TJ's Chevy

These engines didn't have to much vacuum.....

What do you mean? I agree that vacuum leaks are a potential issue, as they are with anything else (although the intake/exhaust manifold design probably doesn't help things), but the sixes pull plenty of idle vacuum when they are running like they should be. It's not like they came with radical cams or anything.

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