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Underdrive pulleys...

Libtekguy

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Ft. Hood, TX
So what do you guys think? Any good for a '89 Blazer? Anyone use them? What kind of gains can one expect from them?
 
Waste of money/time unless you need every split second in the quarter mile.
 
Libtekguy said:
So what do you guys think? Any good for a '89 Blazer? Anyone use them? What kind of gains can one expect from them?

Much better off having full power from your alternator and p.s....
 
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