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Old 11-09-2012, 01:04 PM
MouseFink MouseFink is offline
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I have always used Crane 99004-1 Super Moly-disulfide paste on flat tappet cam lobes and distributor drive and driven gears. I have never had a cam go flat during the break in period and I used valve springs on different engines that had from 110-125 lb. seat and from 300-320 lb. open pressure. I crossed my fingers during the break in period on each engine. That was with Valvoline Racing oil that still had high zinc -phosphorus additives.

My present engine has hydraulic roller lifters and assembled it with Valvoline 10W-30 All Season with a bottle of GM Engine Oil Supplement (EOS) on the cam lobes, lifters and bearings. I assembled the engine with Crane Super Moly-disulfide paste on the distributor drive and driven gears only. We installed, primed and broke-in the engine within a week after it was assembled. The valve springs were set up with 144 lb. seat and 330 open pressure.

Last edited by MouseFink; 11-09-2012 at 01:10 PM.
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