A pretty simple "shade tree" fix would involve a piece of angle iron bolted to the firewall and a muffler clamp the right size. The bracket could be customized with a little sheet metal and some creative metal butchery to look a little more presentable!
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!