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350 valve train prolems


MattR1104
01-14-2005, 10:45 PM
i have a mildly built 350. the problem is that it backfires through the exhaust. i took off the valve covers and all the valves seem to be working fine, except 1. it barely moves at all. could this be because of a bad cam, bent pushrod or something else? im tryin to get information before i start ripping into it to find the problem. thanks and any suggestions would help.

rabt
01-14-2005, 11:25 PM
yes the backfire is caused by the valve not opening up all the way ..... i would pull the rocker arm off on the valve and then pull the push rod out and see if it is bent ...... if not you prolly had a lobe go down on the cam.....

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