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What about the guys who adapted the mid-late 80's GM style alternator? how are they at idle for amp capacity?




I know this isn`t a serpentine pulley but they are available with one, I went with this specific piece because it comes with a V and that`s what I needed, All of the later GM`s will have a bolt on pulley and March makes a pulley for them so that is a minor issue. I looked thru alot of different case styles and this app fits OE brackets with no mods, the only thing that needs to be fabbed is a rear spacer, It needs to be 3 inches long, it is off of a 89 caddy with a 5.0 liter, I`ve seen 46 amps out of it at idle (850 rpm) and it is rated at 105. With all the crap on my car I have had no issues and to date it has slightly over 180 6500+ rpm shift 1/4 mile passes and 8-9000 street miles with no issues. The plus is it is easily available, which was a concern..
There are lots of ways to upgrade, this is just my worth.



Rick