Big HP gain from this product. Hard to install. Need air gun for altenator pulley for removal. Still worth the money. Cool whining sound at high rpm's.
From USA
Reviewer:
Phillip Brandt
Own this product - Yes
The power pulleys work great, i never took my s10 to the 1/4 mile yet to see what it runs.... but when i put them on i can deffinetly tell a big difference in performance
1/4 mile E/T 15.03
Review for:
Underdrive Power Pulley
From Norfolk, VA
Reviewer:
From A Customer
Own this product - Yes
I put a set of pulleys on my S-Dime 4.3L and went from 17.13 in the 1/4 mile to 15.03 in the 1/4 mile. Guy, look this is an upgrade that will just cost you about $100 so for 2 sec down the track this little upgrade is worth it. At the time I put the pullys on that is all I did was pulleys and a K&N filter.
2003 S-Dime sparking/dragging door slamming
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