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View Full Version : Anyone else runnin this setup?



RSVT
06-03-2008, 01:18 PM
I have :
2.3 KB w/3.5 upper
6# lower
90mm LFP idlers w/aux. idler

JLP sent me a 69.5 belt and its like an inch short to get around all pulleys, if any else is runnin the same setup what size belt do you have?

WA 2 FST
06-03-2008, 02:45 PM
I'm pretty sure my set up is the same (no aftermarket idlers) except I have only a 4# lower, and my belt is 69.5"... so I would think your belt would be a little short. :(

BC Lightning
06-03-2008, 04:05 PM
I have :
2.3 KB w/3.5 upper
6# lower
90mm LFP idlers w/aux. idler

JLP sent me a 69.5 belt and its like an inch short to get around all pulleys, if any else is runnin the same setup what size belt do you have?

you can get the right size gates belt at Napa, I dont remember what size belts I have but I have half a dozen belts from all the different set ups in my garage

Mark #2
06-03-2008, 05:24 PM
This what I have
2.3 KB
6lb lower, 3.5, 3.25 and 3.0 upper
NAPA part number 80675

99WhiteBeast
06-08-2008, 08:24 AM
I grabbed this info from someone else-not sure accurate it is.

Belt lengths

stock length-
stock lower/2.75" upper/stock idlers-65.5" belt
stock lower/2.8" upper/stock idlers-?
stock lower/3.5"upper/aux idler w/90mm and 100mm-69"

4lb lower/2.75" upper/stock idlers-
4lb lower/2.8" upper/aux idler/90mm and 100mm-68.5"
4lb lower/stock upper/stock idlers-67.5"(very tight)
4lb lower/3.5" upper/two 90mm idlers-68.5"
4lb lower/3.5" upper/aux idler/two 90mm idlers-69"
4lb lower/3.25" upper/stock idlers-68.5"

5lb lower/3.5" upper/stock idlers-68.5"

6lb lower/2.7"upper/stock idlers-68"
6lb lower/stock upper/Aux Idler w/two 100mm-69.5"
6lb lower/3.25 upper/69"(tight)
6lb lower/3.5" upper/90mm idlers-69.5"

8 lb lower/3.5"upper/aux idler w/two 90mm/tensioner tab removed-69"