[Fot] Crank Scrapers and Cam Lubrication

[Bill Babcock]

probably that it's more chaotic than you would believe, and a crank scraper
really just pulls the oil off the crank--it doesn't do that much to reduce
chaos. You can easily wind two quarts of oil onto a crank--think of that
weight


-----Original Message-----
From: fot-bounces+billb=bnj.com at autox.team.net on behalf of Henry Frye
Sent: Thu 11/15/2007 12:50 PM
To: fot at autox.team.net
Subject: [Fot] Crank Scrapers and Cam Lubrication

I just looked at Chuck's pictures of his crank scraper and I have been
meaning to toss out this question on crank scrapers.

I understand their purpose is to cut down on the turbulent atmosphere
inside the crankcase. Sounds like a good thing, control the oil better
so the crank and rods are spinning in cleaner air. Less resistance to
engine rotation, more horsepower.

OK, sounds fine, but I always thought it was that chaotic environment of
oil being tossed about in the crankcase was the 'splash lubrication'
that the cam lobes and tappets need to stay alive.

What am I missing???

Not to mention the issue that more and more of our oil choices lack an
effective additive package for flat tappet engines...
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