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Old 01-23-2018, 10:20 PM   #5
Mike C
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Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,712
Re: 454 Occasional Lifter Tick

Agree with the above. I have a 71 GMC with a 402 in it I got cheap and it had bad lifter noise. I put quart of MM oil in it and quieted down a bunch. Need to do T-stat now as it seems stuck open and won't get hot. Looking to get some real temp in the oil before I change it.
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