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Message-ID: <39DA3894.6B11F0DF@sprintmail.com>
Date: Tue, 03 Oct 2000 14:50:44 -0500
From: Kevin & Deana Brown <MGTRAutoXr@sprintmail.com>
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To: "Opstal, Lex van" <agopstal@huygmetaal.nl>
Subject: Re: Loose plugs ...
References: <416DB3FE09FFD3119D480090273081BBE3DA@HMCOM2>
My Buick Special factory service manual says to coat the spark plug threads with
engine oil and torque them to 15 - 20 foot-pounds.
Kevin Brown
Odessa, MO
"Opstal, Lex van" wrote:
> I never experienced loose plugs both in the Rover alu V8
> nor in my alu headed Alfa's. In my Alfa days some 20 yeras
> ago I always used graphite based grease on the plugs and
> the last 10 years I used copper grease in the Rover V8
> as anyone else seems to do.
>
> The warnings concerning copper grease in aluheads for plugs
> are new to me, but then I also never heard a unanimous advice
> on using sealants or grease or mixed lubes of 40/60%
> motoroil/paraffin or copper grease or whatever for building
> up the V8 engine ie. head bolts, main bearing bolts, timing
> cover bolts etc.,only the official Rover factory statement
> for a special very, very bad smelling sealant.
> The grease coming with the ARP main bearing stud set is
> another different grease.
>
> Perhaps some metallurgist Rover netter has an answer?
>
> Lex van Opstal.
>
> -----Oorspronkelijk bericht-----
> Van: Jim Stuan rt [mailto:jimbb88@erols.com]
> Verzonden: dinsdag 3 oktober 2000 0:35
> Aan: The Becketts
> CC: Joe Worsley; NOBLIOUS@aol.com; johnw@ami.com.au;
> tr8@mercury.lcs.mit.edu; buick-rover-v8@autox.team.net
> Onderwerp: Re: Loose plugs ...
>
> This is an old subject, the anti seize. As I wrote a year or so ago,
> Champion,
> for one, has an anti seize compound on their plugs & no other compound
> should be
> used. Grease, I'm sure would be fine. Contact the spark plug &/or car
> manufacturer before putting anything on a spark plug going into an aluminum
> head, or it could get expensive.
>
> Jim Stuart
>
> The Becketts wrote:
>
> > I'll agree with Joe. For over 30 years (well since 1966 when I got my
> first
> > Jaguar, continuing from 1971 when I got an alloy head Hillman (we still
> have
> > it) and now with the Range Rover, I've only ever used a general purpose
> > grease on the plug threads with no problems with seizing.
> >
> > However, I read a while back that one should use anti-seize compound on
> the
> > plugs. So I did - I had some Permatex aluminium anti-seize in the garage.
> >
> > Big mistake! The next time I went to pull the plugs in the Rangie, I
> really
> > thought I was going to strip the threads in the head. It obviously
> wasn't
> > suited to the application. I've gone back to grease and the plugs don't
> > seize.
> >
> > Ron Beckett
> >
> > Joe Worsley wrote:
> >
> > > If you use a anti-seize compound be sure it is high temp rated. Many
> > aren't.
> > > Also make sure it's aluminum caopatible. I have some copper compound
> and
> > that
> > > isn't. compatible.
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