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Old 11-20-2004, 02:58 PM
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Default Belt Tensioner

Pretty sure my belt tensioner is making noise. Is it better to replace it with a stock one or aftermarket?
Old 11-20-2004, 04:23 PM
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Originally Posted by Silver02
Pretty sure my belt tensioner is making noise. Is it better to replace it with a stock one or aftermarket?
If you're a H/C car, I would recommend the aftermarket Katech unit. It'll prevent your belt from popping off.
Old 11-20-2004, 04:24 PM
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Originally Posted by Silver02
Pretty sure my belt tensioner is making noise. Is it better to replace it with a stock one or aftermarket?
If you are planning on doing a cam and/or underdrives I would get a Katech adjustable. Otherwise I would just get a stocker from GM.
Old 11-22-2004, 06:21 PM
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Katech(Thunder) adjustable got rid of the tensioner noise on my car.
Old 11-22-2004, 07:43 PM
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that thing is so damn annoying!!!! I need to get a new one too
Old 11-25-2004, 01:05 AM
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I would go with a stock belt tensioner, no worries about overtightening belt and simple on - off install.
Old 11-25-2004, 08:06 AM
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Originally Posted by 98BXR
I would go with a stock belt tensioner, no worries about overtightening belt and simple on - off install.
The instructions for adjusting the Katech are so simple it is sick. If you use a torque wrench you just pull to the right torque. It is probably one of the easiest mods other than a lid, plus the part is very nice.
Old 11-25-2004, 08:56 AM
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In my own opinon i would go with the aftermarket. The people i have seen running a large cam or cam/heads like you need the aftermarket one. My belt tryes its best to come off the tensioner at the track so that is going to be one of my next upgrades. I dont think the factory one is good for cars that see over 6500 rpm's. Just my 2 cents though.
Old 11-25-2004, 10:51 AM
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I bought the Katech piece from Thunder, it's a really nice looking piece and it's on special !!!

http://www.thunderracing.com/catalog...vid=3&pcid=113
Old 11-25-2004, 05:14 PM
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I have the katech and tighting the belt correctly was a problem with me, since I had no torque wrench to tight belt to correct specs, but if you are making alot of horsepower then take flexybronc advice and get a katech, other then that I would have gone with stock tensioner, but the katech does look really nice, I also got thier pulley.
Old 11-25-2004, 06:54 PM
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Another vote for the Katech. Going with one this winter.
Old 09-19-2005, 08:43 AM
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Does anyone else besides Thunder sell this?
Old 09-22-2005, 05:31 PM
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Katech for sure. Got mine from Scoggin Dickey. Love it.
Old 09-22-2005, 06:06 PM
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I still have the ORIGINAL stock GM unit (now has 60K miles on it) on my 388....never had a issue with it.....
Old 09-23-2005, 11:04 AM
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My tensioner is on it way out. I will be getting the Katech model.
Old 09-23-2005, 11:14 AM
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I got the Katech one, and havent looked back.
Old 09-23-2005, 04:43 PM
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Originally Posted by sunsetta
Katech for sure. Got mine from Scoggin Dickey. Love it.
We do have them on the shelf ready to go!! PM, email, or call me with any questions or to order!!
Old 09-24-2005, 01:51 AM
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Originally Posted by flexybronc
In my own opinon i would go with the aftermarket. The people i have seen running a large cam or cam/heads like you need the aftermarket one. My belt tryes its best to come off the tensioner at the track so that is going to be one of my next upgrades. I dont think the factory one is good for cars that see over 6500 rpm's. Just my 2 cents though.
When you and Z28 Venom say that, is that what usually happens? I just posted up on my problem with the belt moving a little up the front of the 2 top pullies. But they said it could be that the new ASP pulley aint on enough. It only creeped up after a hard 1/4 mi. run.




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