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Path: utzoo!watmath!clyde!akgua!sdcsvax!sdcrdcf!brad
From: brad@sdcrdcf.UUCP (Brad Spear)
Newsgroups: net.auto
Subject: Re: Liquid Wrench - (nf)
Message-ID: <1062@sdcrdcf.UUCP>
Date: Thu, 3-May-84 16:51:43 EDT
Article-I.D.: sdcrdcf.1062
Posted: Thu May  3 16:51:43 1984
Date-Received: Wed, 9-May-84 02:58:19 EDT
References: <1452@zehntel.UUCP>
Reply-To: brad@sdcrdcf.UUCP (Brad Spear)
Organization: System Development Corporation, Santa Monica
Lines: 25

With regards to a letter about putting Liquid Wrench in the crankcase, a few
replies have been written that the valve lifters on the '71 Plymouth are
hydraulic, and can't be adjusted.  Well, I looked in my trusty MOTOR manual,
and, gee wilikers, they're right.  Sorry about my ignorance, I had never heard
of that, I had assumed that all valve trains, with hydraulic or solid lifters,
had to be adjusted.  My '70 Chevelle has hydraulic lifters, and the valve
train must be adjusted for 0 lash plus one turn, to put a preload on the
lifter.

Since the Plymouth owner can't adjust them, and considering the age of the car
(if the cam and lifters are are original) he might consider having them
replaced and the cam checked.  How many miles have they got?

I still think it's a bad idea to put 'cutting' additives like Liquid Wrench in
the engine for any significant length of time, though there are some additives
that are specifically meant for that purpose, but for very short periods, like
5 minutes of idling.

Berry Kercheval said that lifters can be cleaned by hand.  That would work,
you just have to be careful with them.  I prefer replacing them entirely, they
do wear, which can upset things and make the engine more inefficent than
necessary. Besides, they aren't all THAT expensive.

Brad Spear
sdcrdcf!brad