I have not really looked at the exhaust to see how it is attached to
the heads, but in Aviation Mechanic School, we were taught to use either
brass nuts on studs on the exhaust system or special steel heat treated
high heat nuts with anti-seize compound on the threads of the studs.

John Rodgers

John Rodgers
Clayartist and Moldmaker
88'GL VW Bus Driver
Chelsea, AL
Http://www.moldhaus.com

On 6/9/2011 8:58 AM, Rocket J Squirrel wrote:
> what
> to use on the fasteners that hold the exhaust flanges to the heads.