Belt slip?? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-04-2003, 01:46 PM   #1
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Default Belt slip??

I was out last night messin around smoked a 4.3 gm truck we got stopped at train tracks he paid me some compliments, but said "the inside of my truck smells like a burnt belt", thats not the first time somebody said that to me after racin. I replaced my belts about a month ago with Torque belts, are these just cheap and slip? but burn? could that be a reason im not getting full boost? i dont know im gonna replace it anyway. any recomendations on a good quility belt
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Old 07-04-2003, 01:58 PM   #2
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gatorback is what I think they are called. Do a search in the forum or on the net.
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Old 07-04-2003, 02:23 PM   #3
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Do the faces of any of your pulleys have any buildup on them?
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Old 07-05-2003, 03:14 AM   #4
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Get a ZZP oversized tensioner pulley, that will make it so your belt wraps around the blower pulley more, and so it is tighter. Although everyone praises gatorbacks, I personally would not recommend them. They cost twice as much as any other belt, and have half the contact area because they are kind of grooved. Gatorbacks also stretch a LOT more so after only a few hundred miles it wil be loose and you will have to buy a new one, whereas with other belts that is not the case. With the GTP we ran Gatorbacks with no problems until we got the Intercooler. Once we got the intercooler the belt slipped like mad with the smaller pulley (2.7") if we went more than half throttle. We had an oversized tensioner pulley and could barely get the belt on when it was new. 1 week later it was way too loose and slipped like mad (as I described above) We decided we needed a smaller belt but no gatorbacks were available, so we decided to settle for just a regular Kelly Springfield. But, it seems to grip MUCH better, it cost half the price, and is available in a lot more sizes, and it doesn't stretch nearly as much as the gatorback. For half the price there is no reason to go gatorback. As I said, I have no problem with gatorbacks, they just cost too much, and aren't much better, if any better than other belts.
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Old 07-05-2003, 03:57 AM   #5
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I'll agree with the oversized tensioner. I'm running one on my Series I, and I'd say it'* a DAMN good idea for anyone running an aftermarket SC pulley. With my 2.2" pulley, every degree of extra belt wrap I can get is critical. As far as the grip of the gatorback is concerned, the whole idea is similar to that of siping your tires. You have lateral edges for bite that a normal grooved belt doesn't have. I haven't had any slip that I know of, nor have I had any belt stretch, other than the expected stretch the first couple hours.

It'* going to be a matter of preference. I'd say do your homework, and make a decision. If it'* good or bad, let us know either way.
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Old 07-05-2003, 07:00 PM   #6
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Sounds like something is not going when you hit the gas. Prolly powersteering or alternator polly. Had this happen to me before my alt gave out..
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