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Old 07-06-2019, 01:34 PM   #2
Steeveedee
Who Changed This?
 
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Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,990
Re: 68 c10 327 with no power

Check to see if the rotor has burned through. If that's OK, put a vacuum gauge on it and run it up to 2000 RPM. If the vacuum falls off after about 30 seconds, you have a clogged exhaust system. It looks like you've covered the normal bases, so I'm throwing out an unusual one.
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'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper

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