What can cause this?
Ran gates green belt, but it keeps shredding on me. That's usually if I do so hard pulls. But on a regular cruise, it's fine. Switched to a regular gates belt since shits getting expensive.
Anywho... help me diagnose this. I think it was doing the same with the gates green belt, but I just never paid attention. It may seem like.... - the belt is too long, but it's the same series and same length - pulleys are not aligned, they're aligned. Straight edge and laser confirmed. - tensioner is not providing enough tension, that bad boy is tight as tight can go. - SC pulley spins freely, no wobble, checked other pulleys also and they're good. https://youtube.com/shorts/-w1iUS7IW...Y5Cq0yorp7jjyo |
That long run of your belt on the bottom off that video looks like it’s a little sloppy and flapping around. Is it slapping against something down there? You may need more tension. These belts stretch more than you’d believe under high rpm and load. Go see some videos of that on YouTube. Kind of amazing how far they can balloon out. My guess is that your belt is contacting something under high rpm/load and stretch and it’s shredding it up.
I put a JRE Supertensioner on mine and it’s a nice piece. |
Are there any witness marks on the belt showing an impact? Can you tell if it is breaking in a certain pattern like edge toward center or center toward edge? Do you have any close ups of the broken portion of the belt?
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Thanks. I disassembled the tensioner and 1 of the idler pulleys and tinkered with it a little. Lo and behold I was able to get it tighter. Hopefully no more shredded belts.
https://youtube.com/shorts/xYkD3Bxau...kOAA3SgBtX_hBJ |
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I think with the camera so close and all the crap that was in the pulle (belt residue/dirt) gave the illusion of the wobble.
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Is there room to add another pulley where its moving around to take some deflection out??
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I did do a WOT til 5500-6000rpms and no issues. That's where the belt will usually break. |
This may or may not be a little off topic, but I picked up a Gates RPM High Performance serpentine belt since I couldn't find the green HD belt (over the regular belt). I reckon it's supposed to stretch less, not sure. I wonder how daily friendly that RPM belt would be?
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