Quote:
Originally Posted by crm318
i just put together a 350 and i got it up and running. the engine idles fine but only bogs when i drive it over 35 or try to get on it. the carb is also new and its vortec heads are new. everything is new and the timing is set good as well. i took all of the lifters out and the all look good. is it possible that the lifters be alright by the cam be slightly worn?
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When you say "put together" you mean overhauled?
If the idle is fine, I wouldn't suspect a worn cam lobe right away. It happens during break-in, but not all that commonly. I would double-check the valve adjustment, then look at the ignition and timing and finally the carb.