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Old June 27th, 2019, 01:03 AM
James James is offline
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Join Date: Jun 2013
Location: Greer, SC
Truck: 1964 GMC 1500 2wd
Age: 69
Posts: 432
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Default Re: 305e Holley 500 swap question

Quote:
Originally Posted by jerrspud View Post
so some updates.

Truck as been running well, but lot's of black soot out of the exhaust on driveway.
Just a thought, the black soot could also be from the oil.
Put some miles on it and see if the black soot in the tailpipe goes away.
Have you been tracking your gas mileage? This will also show an improvement if it was too much fuel. Should also perform better to.
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