Warm it up enough that water sizzles when sprayed on it, or possibly until a lead wheel weight melts when touched to the parts. The lead weight test would be 400-something degrees. I'd be very reluctant to go much hotter than that. Spraying the parts with KROIL while warm will help it penetrate. Heat- - - -soak- - - -tap with a BFH- - - -repeat as necessary. The main thing is to be very patient and let the penetrating oil do its job.

www.kanolabs.com

Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!