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Old 04-02-2006, 07:53 PM   #1
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Default pulley size?????

I have a 1993 ssei with K&N RX-4750 filter 80 series flowmaster muffler and a 180 drilled thermastat, NGK tr6'*. what size pulley would run good all seasons. Also im not quit sure if a sound system can contribute to power/ (KR?) problems.
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Old 04-03-2006, 09:17 AM   #2
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Your spark plugs are too cold for a stock pulley. Maybe even for a 2.2".

If you own a scantool, buy the 2.2" and be prepared to buy the 2.3" if you get KR. Otherwise buy the 2.3" for safety. I strongly suggest checking your fuel pressure before you buy either. We're seeing alot of series 1 cars lately that are reaching the limit of the fuel pump and regulator lifetimes. Running lean at the top end with a smaller pulley under boost is a bad, bad, bad thing.
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Old 04-04-2006, 06:31 PM   #3
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Default pulley

thanks a lot Iv'e checked out my plugs and they aren't the NGK'*, i put that assuming they were. thanks a lot for the information i'll look into the 2.3 and 2.2!
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