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anyone have dyno sheets showing gains from ud pullies alone? I read an article on some site tht i cant find saying that after running a car with no belt at all they only gained 3hp so im skepticle.
 

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The Parts Guy
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Here is a semi-relevant dyno sheet from my Splitport 94 LX. The difference between the two pulls was that on the blue one I had installed a 25% UD crank pulley, swapped from the stock 94 exhaust to a much better flowing setup (click here for info on that), and tuned for 93 octane as opposed to 87 octane.



Keep in mind, that was back in 2003. If I felt like messing with the tune, I'm sure I could get more power out of the car now.

-Rod
 

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The Parts Guy
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I'm not going to speculate there. It is evident that the exhaust did help in the upper rpm's, but as to numbers, I don't have a definite answer.

-Rod
 
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