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Old 07-06-2019, 08:53 PM   #6
WorkinLonghorn
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Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,887
Re: 68 c10 327 with no power

Dumb question but did you check to see if the throttle is actually opening all the way and that the secondaries are fully opening? What do the plugs look like after a FT pull up a long grade?
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, stereo speakers, 2nd owner, Work-Truck supreme.
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