When stovebolts start flying for more than a few seconds while going off a cliff, that argument might hold water. Until then, the stuff GM put on the truck at the factory (TVRS) will probably be just fine.

Real aircraft engines (radials) use low tension magnetos and coil on plug ignition so there's no high voltage to leak anywhere- - - - -no spark plug wires at all!
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!