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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Fri, Dec-02-2011, 06:26:01 PM   #11
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Default Re: Underdrive Power Pulleys

As m3_larry said, the pulley IS the harmonic balancer. If you like your engine running out of balance it is fine to remove. Anyone that said they removed it and all was well are likely full of $hit.
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Old Sat, Dec-03-2011, 05:45:31 PM   #12
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Default Re: Underdrive Power Pulleys

There was a company that actually made underdriven crank pulleys with the harmonic balancer portion (essentially a chunk of rubber), but iirc their selection was pretty limited. Some food for thought: early miatas that run under driven cranks end up with shattered oil pumps, so on this one, mod at your own risk.
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Old Sun, Dec-04-2011, 04:57:28 PM   #13
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Default Re: Underdrive Power Pulleys

The turner kit is a reputable one. You have the choice of under driving the alternator. The major benefit of a pulley kit is that it replaces that plastic water pump pulley with a metal one. There are no reputable dealers that touch the crank. Just don't....
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Old Sun, Dec-04-2011, 05:16:54 PM   #14
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Default Re: Underdrive Power Pulleys

Ive got the Rogue Engineering kit on my car. I like and recommend!
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Old Sun, Dec-04-2011, 05:55:26 PM   #15
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Default Re: Underdrive Power Pulleys

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Originally Posted by Sharocks View Post
Ive got the Rogue Engineering kit on my car. I like and recommend!
Does rouge use a under driven crank pulley?
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Old Sun, Dec-04-2011, 07:00:54 PM   #16
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Default Re: Underdrive Power Pulleys

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Originally Posted by boomersooner523 View Post
Does rouge use a under driven crank pulley?
No it does not. Both UUC and Rogue only under-drive the water and power steering pumps. Both are quality kits. Can't go wrong with either.
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Old Sun, Dec-04-2011, 07:42:50 PM   #17
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Default Re: Underdrive Power Pulleys

None of the kits available will have the UD on the crank.
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Old Sun, Dec-04-2011, 08:41:28 PM   #18
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Default Re: Underdrive Power Pulleys

They said it! It's a great kit I love it!
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Old Sun, Dec-04-2011, 10:34:52 PM   #19
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Default Re: Underdrive Power Pulleys

Awesome. Thanks for the info guys. Its on my to-do list now!
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1999 Cosmos M3- Koni/Eibach, M50, TRM tune, ASC delete, PowerFlex bushings everywhere, SS lines, much more
1995 Hellrot M3- H&R Sports, JB Racing 10lb flywheel, Dinan exhaust
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Old Mon, Dec-05-2011, 12:27:05 AM   #20
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Default Re: Underdrive Power Pulleys

Let us know of any findings and gains, boomer.
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Discussing Underdrive Power Pulleys in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)