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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