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Re: Underdrive pullies?whats that?
Posted by Courtney (more from Courtney) on Fri, 26 Oct 2001 15:48:54
In Reply to: Re: Underdrive pullies?whats that?, mudpuppy, Fri, 26 Oct 2001 14:43:43
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Underdrive pullies change the ratio of engine RPM's to accessory RPM's, effectively putting your alternator, A/C, PS, PB, into a lower gear, reducing the load on the engine. It is a simple, cheap trick for upping your engine output. The down side is that you may have low voltage and/or low vacuum at idle. That isn't a problem for racers, who don't spend much time at idle. Then again, racers will have pulled out the A/C and maybe the PS already. No, I've never seen a kit for Saab.
posted by 198.107.6...
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