Tensioner
Tensioner Is the factory belt tensioner a problem when used at track events? I need to purchase one and I'm trying to decide between the factory auto tensioner versus one of the aftermarket tensioners.
Joined: Jul 2006
Posts: 381
Likes: 15
From: Oshawa (Home of the 5th-gen)
Yes, the factory seat belt system works fine for a track day (school, lapping, solo ..... not door-to-door!) and if you get yourself a CG lock, it's the closest thing to having a 5-point harness 
.
http://www.cg-lock.com/index.html
I have a CG lock and I wouldn't go without one now. I'd even like to put one in my Avalanche to keep me more secure in the slippery leather seat!
.http://www.cg-lock.com/index.html
I have a CG lock and I wouldn't go without one now. I'd even like to put one in my Avalanche to keep me more secure in the slippery leather seat!
Joined: Jul 2006
Posts: 381
Likes: 15
From: Oshawa (Home of the 5th-gen)
Ha ha, now that I'm reading this again, I realized you might be talking about the serpentine belt tensioner on the motor! 
FWIW, I haven't had a problem with that either, other than the bearing dried out after a few years, so I re-greased it .
So which one is it?!
FWIW, I haven't had a problem with that either, other than the bearing dried out after a few years, so I re-greased it .So which one is it?!
Teching In
Joined: Dec 2005
Posts: 21
Likes: 0
From: Cincinnati
Use the 05-later LS2 and LS7 serpentine belt tensioner. With the stock tensioner on my 02 Z06 , I would come back with my serpentine belt off a couple of ribs after 20-30 minutes on the roadcourse. I since switched to the later model tensioner which has higher pulley end ribs (deep groove pulley) and have absolutely no issues........I am not nice to it either 570 rwhp, 7700-7800 rpm ....no mercy up and down shifts.......
Works for me, probably will work for you.
Works for me, probably will work for you.
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On The Tree
iTrader: (1)
Joined: Nov 2005
Posts: 179
Likes: 7
From: Braking Point, Turn In, Apex, Exit - Repeat
That's an understatment if it works for Danny it will work for you.
I've actually replaced a couple of Katech units with the LS2/7 style. If you use a fresh belt with the Katech tensioner you will need to check the tension each day before the event (not a bad idea), plus without a digital torque wrench how do you know if you are putting 25lbs of pressure on the belt. The LS2/7 tensioner is set it and forget it.
If you are using any underdrive pullies you will have to make sure that the belt tensioner is in the middle of it's operating range, if it's too tight the tensioner will "bounce" off of the stop and that will cause your belt to jump so you have to make sure the belt is the right size.
I've actually replaced a couple of Katech units with the LS2/7 style. If you use a fresh belt with the Katech tensioner you will need to check the tension each day before the event (not a bad idea), plus without a digital torque wrench how do you know if you are putting 25lbs of pressure on the belt. The LS2/7 tensioner is set it and forget it.
If you are using any underdrive pullies you will have to make sure that the belt tensioner is in the middle of it's operating range, if it's too tight the tensioner will "bounce" off of the stop and that will cause your belt to jump so you have to make sure the belt is the right size.
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