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OK-944 OK-944 is offline
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Join Date: May 2008
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Valve Lapping Compound Questions

Nobody around these parts (eastern Vermont) seems to either carry or know much about valve lapping compound.

I did get a small can of Napa (Permatex) grease-based compound - but this can was not labeled for grit size. A counter-person looked this up and told me that it was 150 grit...so I bought it and tried it on one (exhaust) valve - and my sense is that although it seemed to do a good job, I might want something finer...perhaps on the order of 240 grit or even higher.

So I called all over this area, and found that a nearby Autozone has a tube of Permatex, which the guy I spoke with seems to think is "the finer grade," and is water-based. He also said he's used this water-based compound successfully.

I know I can get the two-part (120/240 grit) grease-based Clover compound delivered from the west coast in about a week...but I need to get this done ASAP, plus shipping for the Clover compound costs more than the product!

So two questions: One: Would the water-based "fine" Permatex stuff be ok? Yes, I know that grease might stick better and prevent rust...but what's wrong with simply cleaning up with some engine oil? And Two: Are there other sources for Clover (or other similar) compound, a bit closer to my location? Thanks!
Old 08-20-2010, 11:02 PM
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