Re: Hydraulic Lifter Preload Trouble on 68 289
Are the cam and lifter new?? Are the valves new??
If you're adjusting them, Phillyfanfrombirth has the correct answer. I've personally ne ver had a problem adjusting any of them, including Ch**y's.
Back off or tighten down till it spins and tighten in 1/3-1/2 turns and lock it down. If ater a couple of time adjusting and you're still getting valve clatter, check the oil pressure and if it is OK replace the lifter.
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