Thread: !!! LET Motorsports Pulley Failure !!!
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Old Nov 13, 2008 | 05:33 PM
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BrianBrave
<--- Huge Horsepower
Joined: Apr 2007
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From: So Cal
Default Re: !!! LET Motorsports Pulley Failure !!!
Originally Posted by MD SRT6
If you put your stock idler back on wouldn't your boost take a big loss over putting back both stock idler and crank pulley? If Stock is approx 14,500 and 185+ stock idler is 12,336? I'm not questioning, just trying to follow all this info as I'm not a math guy, and I'm worried about breaking down too. Thanks for all the homework on this, and I'll try to follow along.
Just re-installing the stock idler pulley and keeping the 185mm and the smaller WP pulley. This would keep the ratio's for all the other accessories the same (including the supercharger) just reducing the ratio (and thus RPM) of the idler pulley to within the bearing range.

I imagine they decided on a smaller idler pulley so to keep the stock belt. (probable some marketing idea)
 
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