390 won't start
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Joined: Sep 2008
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390 won't start
Hey guys, I just finished putting the top end of my 390 back together in my 75 f250 after a valve job. The truck will crank and finally start but only run for 10-15 seconds, while running it's very smooth and revs nicely. I replaced the ignition coil and it still has the problem. Any help would be appreciated.
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Joined: Jul 2003
Posts: 2,232
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From: Colville, Washington
Check the fuel delivery system as well as the fuel condition. Todays fuel varnishes very quickly, it might have gummed up the carb or fuel pump causing little fuel getting to the engine.
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