Belt Length For 10% Underdrive HB
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Platinum Supporting Dealership
Joined: Jan 2017
Posts: 95
Likes: 7
Belt Length For 10% Underdrive HB
I've done some searching but haven't been able to find any part number for the correct serpentine and a/c belt length when installing a 10% underdrive pulley on my 2007 LS2 coupe. I'm going with a PowerBond PBU1117SS10 and I have the stock Delco belt part numbers (6K798 & 4K410) but would like to know if anyone knows the belts I would need. Normally I would measure it and bring it to the parts store but with stores closing early or having a short supply due to this virus, I would like to have it ready to go when I do the install. Any info would be very helpful. Thanks
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Quality Control Detailer & Main Detailer
http://www.vanbortelcorvettes.net/
2007 Coupe - 448 rwhp - Street Sweeper HT, Fast 102, Halltech, BTR springs; pushrods & trunnions, Scoggin Dicky lifters, ARH, Corsa Sport, Frumusa Tune
NCRS Member
Quality Control Detailer & Main Detailer
http://www.vanbortelcorvettes.net/
2007 Coupe - 448 rwhp - Street Sweeper HT, Fast 102, Halltech, BTR springs; pushrods & trunnions, Scoggin Dicky lifters, ARH, Corsa Sport, Frumusa Tune
NCRS Member
Burning Brakes
Joined: Sep 2018
Posts: 1,023
Likes: 174
From: Auburn Al
On the AC that pulley should remain the same size. On the big belt have your parts guy give you the next size shorter they tend to go about in 1 inch increments? But before you buy anything I would google ls2 and under drive pulleys. You may not what to do that, LS2's don't like under drive pulleys and for the fractional amount of Hp spend your$ else where
