I had a GM-1 wire deal from a mid 80's truck rebuilt by a local shop. (Mid sized GM unit).

Used the Doti engine bracket with 2 of the thin crank spacers. I know they dont reccomend it with the alt that I used but it works....It gets spun to about 7300 or so.... I will add another bracket to stiffen the Doti unit because of the offset of the al mount & adjustment holes.



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