02-28-2010, 03:01 PM
12 Second Club
Join Date: Jan 2007
Location: Burbank, Illinois
| | Installing an Under Drive Pulley?
My Brother ordered a 25% UDP for his L99 and wanted to know if anyone has done one themselves. I know they are a little different than My Ls1 can anyone offer me some info of how or what not's?
01 Ws6,m6, ASC#618 of 1583, PER built forged 416,ArP'd,Morels,LPE Ls3 heads 12-1 comp,FAST 102 by chris1313,N/W 102 Tb,Racetronix F/P,65lb inj,C5r T/C, BTR 243/259 .629/.619 114+3,P/B 10% Ud,Kooks 2" headers,Kooks yp,Dmh dual c/o's,COMPLETE UMI suspension,SLP Torque arm,viperized T56 by wrencher,Textrellia,Moser 9" spooled w/4.11's & 35 spline axles, Koni 4th Gen's,BMR springs,Sjm abs delete,magna flow CB, 542hp/525tq StraightLine Tuned!