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Old 01-11-2008, 08:31 PM   #6
jderiansf
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Join Date: Apr 2007
Location: San Francisco
Posts: 40
Quote:
Originally Posted by Gary in BR
Do they make a underdrive pulley for the 2.5?

I have never seen one for sale or tested on this engine?
Does anyone know??

If there is one made have you seen a dyno?

Afaik, it will work.

Before the site went down, there was a post about it being available (or compatible) with a 986.

Most h.p. figures were in the 12 to 15 at the wheels. Its underdriven by 16%

The main reason for 987's to change it is to slow down the power steering pump, to avoid overheating the p.s. fluid during extensive track time.

Jason
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