Pulley replacement

Tech discussions on the L77 6.0L V8.
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kevink
Posts: 480
Joined: Sun Aug 09, 2015 12:55 pm

Re: Pulley replacement

Post by kevink »

CrashTestDummy wrote:$10 per HP is the going rate for aftermarket replacement parts updates
I wish HP was that cheap. It's more like $20-$30 per HP on the very low end and then starts going up and up the more power you are making.
2011 9C3: 11.48 @118.
bstoner
Posts: 233
Joined: Wed May 05, 2021 2:12 pm

Re: Pulley replacement

Post by bstoner »

kevink wrote: Tue May 01, 2018 11:20 am That's right, they turn the alternator slower, but since my idle is set higher than stock, my alternator speed should be back at stock speed at least. With the Powerbond pulley, you need to use shorter belts. I have the numbers somewhere if anyone needs them.
Do you have the belt sizes you used for the 25% underdrive crank pulley? Thanks!
2014 Caprice PPV, 6.0L, BTR Stage 2 Cam, 3.45, 3" exhaust, Rotofab intake, Chris Henry tuned, future LSA....
bstoner
Posts: 233
Joined: Wed May 05, 2021 2:12 pm

Re: Pulley replacement

Post by bstoner »

For the PowerBond PBU1117SS25 25% underdrive pulley I ended up using a 42.0" (stock 43.5") A/C belt and 70.3" (stock 72.5") main belt.
2014 Caprice PPV, 6.0L, BTR Stage 2 Cam, 3.45, 3" exhaust, Rotofab intake, Chris Henry tuned, future LSA....
User avatar
kevink
Posts: 480
Joined: Sun Aug 09, 2015 12:55 pm

Re: Pulley replacement

Post by kevink »

bstoner wrote: Thu Aug 04, 2022 4:02 pm Do you have the belt sizes you used for the 25% underdrive crank pulley? Thanks!
Sorry, just now seeing this. I used 42" for the AC and 75.16" for the main belt.
2011 9C3: 11.48 @118.
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