Quote:
Originally Posted by Bruce Noland
This is not always true. Some of these lifters were crap when they left the manufacturers. The Schubeck lifters that came apart last year were junk from the start but only two people knew that, Schubeck and Smith. Apparently, Joe had a ton of pucks all set up and received a batch of lifters with ID's that very a tad to big to get the correct press fit when installing the pucks. No problem. Joe had the remedy. Loctite! That's right he put a bunch of those lifters together with Loctite. I checked my broken lifters after hearing this bit of news and sure enough there was a flattened patch of Loctite inside. And from what I was told it's the closed pressure that presents the biggest problem for any lifter - no matter the brand.
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I had heard some time ago that they were Loctited together. I think that the big deal now is to switch over to coated tool steel lifters. Do we get those direct or do we go through someone else?
Also, conflicting opinions on camshafts:do we use them on a cam that has 50-75 runs with Schubecks,does the cam have to be recoated,can they be simply dropped in,the valves readjusted,with push rod substitutions as necessary,what is the next step? Also, how do the guys with the 396/325 engines get them to live with that cam profile?Or, is that the engine most prone to ceramic lifter failure?