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Date: Tue, 27 Mar 2001 23:29:16 GMT
From: "Attean" <patteannopsamphia.net>
Subject: Re: Another Blown Head Gasket Story


Would they take that much off just to reseat them? And wouldn't the Hydraulic tappets compensate for the difference? "SimonJ" <menopsam.com> wrote in message news:99loor$aqu$1nopsamonium.btinternet.com... > > "Bob" <uctraingnopsamanet.com> wrote in message > news:aeopbt8rec6odlgcern0p5k8gv8imnrlcbnopsamcom... > > On Sat, 24 Mar 2001 14:50:51 +0000, Johannes H Andersen > > <johsnopsamsafish.com> wrote: > > > > >Or do you mean that the valves need > > >attention around 100K miles anyway? > > > > > > Valves wear, like everything else inside your engine. After > > 100k miles, they can't be like new. Since there is a substantial > > amount of labor involved in replacing a head gasket, I'd do the > > valves too. Likewise, the seals still work, but if you've gone > > to all the trouble of pulling the head, why not renew them ? > > The amount of additional labor to spin the valves and/or change > > the seals is minimal. Might as well do it while the head is > > off. > > > > As always, IMHO, > > Bob > > Bear in mind that when you grind the valves, it will cause the stem to > protrude further toward the tappet, so the stem will need lapping, if you > have to lap too much off to bring it back to the correct height, then the > valve will need replacing, so you may end up replacing a perfectly good > valve Like someone else in this thread says, if it aint broke, dont fix it! > >

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