Re: Plaid valve covers
Quote:
Originally Posted by jimjaz
The dealer would adjust the solid lifter tappet valve train to spec's, and to identify the truck as having been serviced and the valve train adjusted, the owner coached on the differences in solid vs hydraulic valve train, and the added plastic "plaid" over metal quiets down the tappet noise as plastic is a pretty fair noise insulator in this situation.
For what it's worth.....
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Considering the material isn't really plastic and is more like shelf paper, I doubt it would contribute to "quiet" much if at all.
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- David R Leifheit
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