James (the younger),
I believe Simon is right. I remember reading the same "finger tight + 1/4 turn"
on one of those little slips of paper packed with Bosch plugs I used in my BMW
2002. It also had an aluminum head: the car that is, not the slip of paper. I
don't think the paper had a head.
Jim (the older and more senile guy)
James Nazarian Jr wrote:
> this is the rule that I have always gone by. but I have yet to put plugs
> into any aluminum heads (this includes my V8)
>
> James Nazarian
> 71 B Roadster
> 71 BGT
> 63 Buick 215
>
> "Aerodynamics are for people who cannot build engines"
> Enzo Ferrari
>
> ----------
> > From: Simon Matthews <simon_atwork@hotmail.com>
> > To: mgs@autox.team.net
> > Subject: Re: Aluminum heads -- spark plug torque
> > Date: Thursday, May 25, 2000 5:59 PM
> >
> > I remember being told (or reading) that one screws the plug in until the
> > gasket is toght aganst the head (not but not compressed), then give the
> plug
> > a 1/4 turn to compress the gasket. This only works on brand-new plugs,
> > though! Any comments on this?
> >
> > Having fitted plugs into aluminium heads, I would think one would have to
> be
> > over-tightening rather drastically to strip the threads.
> >
> > Simon
> > ________________________________________________________________________
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