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I pay a shop $50.00 labor to professionally disassemble and reassemble my alternators. thats what they do there, starters and alternators only.
When they put them back together, they can add anything you want. Bearings, brushes, rectifiers. They can even order different coil windings making them a high output alternator if you feel the need to do that. Common belief is installing a smaller alternator pulley will make more power, no...just wears your s**t out faster.We (the shop and I) have also been experimenting using two rectifiers, one internal, and one external. But thats hush-hush.
I then take them to another shop, there they will polish the case to a mirror shine, and hard chrome the pulley, pulley nut, and the 4 case bolts. Hard chrome is not your standard chrome plating...it will put up with the abuse of wear and tear with out flaking or cracking off the part. More use it gets, the more polished it becomes.
If you polish your alternator, and do not take it apart, the dust from sanding and polishing will get down inside, and cause your bearings to wear our prematurely and play hell on your brushes. No matter how careful you are...it will happen. Thats why when i am doing these up for others, I have it done right. I don't want them to have to ever come back to me for problems that could of been avoided.
When finished...they come out looking great.
Chrome plate for show, and on a vehicle thats not driven a lot. Chrome plating traps in heat, and will cause premature failure, but hey, it looks good going down in flames don't it?
I polish mine, adding nothing to the case that can trap heat in, you want these to run as cool as possible. Again...
~F~
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