underdrive pulley?
#12
Staging Lane
Join Date: May 2007
Location: Fort Worth
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Yeah, ASP is what I have and love them. I did both pulleys (crank and alt.) and noticed a good performance gain. After I installed them I went out and did a WOT run...I was at 25 mph and stomped it--it kicked down to 1st and I smoked them all the way through and got a 15' scratch at the 2nd gear shift. Before the pulleys, it only chirped on a 2-1 kick down. I got them from rpmoutlet and got a decent price and a good ship time. I say do both for better performance...
#13
I did the ASP crank pulley and the LS1 fans and I noticed a big difference in acceleration from idle, especially in the summer. The engine feels much more responsive also. Beside that, I also gained about 2 MPG with the E-fans and pulley.
#16
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6HI refers to using all 6 lights at the same time---2 fogs+2 low beams+2 high beams=6HI. That draws a lot of amperage off the alternator to run all 6 lights at once...But BlownHD does have the 160 amp alt though...running a 6HI on the standard 105 amp alt on the 1/2 ton might not cut it...
ASP alt pulley part no: 49-540084
ASP alt pulley part no: 49-540084
#17
Launching!
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Are the pulleys a pretty straight forward and easy installation....I just did electric fans, and am definately checking these asp pulleys out...both overdrive and the alternator. more info would be great thanks.
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