If you switch to a solenoid-type starter and a push button, use a HEAVY DUTY push button. The current draw of the pull-in winding on a GM type solenoid is about 50 amps for a fraction of a second, and it will fry a low current push switch in a very short time.
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!