underdrive pulleys

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May 29, 2006 | 07:16 PM

#21

speedy02

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From: Fort Myers, FL

Quote:

Originally Posted by krambo

Did anybody see false KR with the pulleys?

I have had the ASP underdrive pulleys on for around 15,000 miles.. I haven't seen any false knock. I use HP Tuners to do my logging..

May 29, 2006 | 11:09 PM

#22

04BlackGmc

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From: STL

where are some good places to get em?

May 29, 2006 | 11:57 PM

#23

adrenalinep

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From: Houston

summit sells them, crank only was $208 or go to aspracing.com

May 30, 2006 | 12:30 AM

#24

1ImperialSS

formerly silverbrick (changed 02/17/2013)

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From: Pasadena, Tx

http://store.summitracing.com/egnsea...=KeywordSearch

thats for the 5.3 underdrive crank and alternator with belts package for 226 i think..whats the difference in underdrive between kits with the alternator pulley and those without. its the crank pulley that creates ther beneifts right?

May 30, 2006 | 12:32 AM

#25

TouchOfEvil04

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From: Walker

I don't have the alternator pully but from what i ahve been told.The underdrive pully gets you the extra power and the alt pully bumps your voltage back up to normal.I never worried about getting it because my voltage doesn't really suffer any.