Make sure the motor mounts are in excellent condition with little to no movement when the engine is under a torque load in gear. It might be necessary to do a little BFH massage to the firewall to establish enough clearance.
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!