Quote:
Originally Posted by gsxr
The pulleys can be different diameter and different offset. While a sliiiight change in diameter may be ok (the belt tensioner can adjust a little bit), any offset different (front to rear) will make the pulley not line up properly. It's best to use the original pulley that came with that specific year/model/engine. I've always swapped on the original pulley to the "new" alternator, and never had a problem.
I've been using 150A alternators on almost all of my cars for years now. Zero problems.
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Right. I think my 190E's alternator pulley has a different offset. You can almost see how its pulling the belt out of line with the rest of the system.
I've been trying to track down a pulley but haven't really tried all that hard so far.
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