Pulleys on 04 automatic

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Im not sure the exact gain on mine since I had a pretty mean tune on my chip at the time of the dyno. I did definately notice some more pull above 3000rpm though. If they are installed correctly you should have 0 problems out of them. I have Steeda pulley's and have no charging problems or anything. I was in stop and go traffic in 80+degree heat in Wilmington last weekend for almost an hour and had no heating issues either :nice:
 
So their aren't any issues with pulleys on Automatics? I have a 2000 GT auto and had someone tell me not to put the alternator pulley on or else I would have trouble with the battery charging or something. Just curious, I'm looking at getting Steeda pulleys.

and
You won't see 8-10 hp on a 4.6 2v. Maybe 5 at the MOST. The stock pulleys from mid 2001+ are pretty good.

Whats the difference between the pulleys on my 2000 and the pulleys on the 2001+?