That's why the caution. You've got to use the right stuff in the right
place. I've known folks who used aluminum anti-sieze on aluminum
heads. The result was in the "This is NOT GOOD" category.
Just out of curiosity, why not use the copper on cast-iron heads as
> Date: Wed, 24 May 2000 08:55:24 -0600
> From: Steve Darby <firstname.lastname@example.org>
> Subject: Re: Aluminum heads
> I use anti- sieze on every plug that I install. Maybe overkill but I have not
> had any problems removing plugs on any engine that I have done this to. Even
> those that sat for years and those that have "cooked".
> I use Copper anti-sieze on aluminum heads and aluminum anti-sieze on cast iron
> Steve Darby
> Sports Cars Int'l