Quote:
Originally Posted by NUMACHI
Is there even any advantage to having a F1 without having a built motor? Just save some $$$ and get the D1....
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The F1s have a higher step up ratio...and will help reduce belt slip when you try to turn the boost up. Even with a 4.5" blower pulley...I think you will make at least 15lbs of boost. Might be too much for a stock setup.
-Corey