Larger Tensioner vs Smaller Belts - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

Reply
 
 
 
Thread Tools Search this Thread
Old 12-22-2005, 12:52 AM   #11
Senior Member
Posts like a Turbo
 
Join Date: Dec 2003
Location: Monroe, MI
Posts: 230
Thanks: 0
Thanked 0 Times in 0 Posts
1994ta is on a distinguished road
Default

I'm running a 2.1" pulley on my 92 Series 1 and I opted for a shorter belt instead of the tensioner just because I can get a discount on auto parts. I went with a 1" shorter belt which worked fine for about 4 months, but now I'm noticing and hearing belt slip at high rpm. I would also recommend going with the tensioner, I personally have no experience with the tensioner, but thats the route I'll be going next.
1994ta is offline   Reply With Quote
Old 12-22-2005, 10:31 AM   #12
Senior Member
Posts like a Northstar
 
Join Date: Jul 2005
Location: Detroit, MI
Posts: 649
Thanks: 0
Thanked 0 Times in 0 Posts
Jason1351 is on a distinguished road
Default

2.1 What is the stock size on series 1'*?
Jason1351 is offline   Reply With Quote
Old 12-22-2005, 11:27 AM   #13
DINOSAURUS BOOSTUS

Expert Gearhead
 
BillBoost37's Avatar
 
Join Date: Mar 2005
Location: Enfield, CT
Posts: 41,391
Thanks: 0
Thanked 0 Times in 0 Posts
BillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of light
Default

Jason

92/93 is 2.5 (I'm pretty sure)
94/95 is 2.8 (thinking)
96+ is plain old huge compared to the others.
BillBoost37 is offline   Reply With Quote
Old 12-22-2005, 12:42 PM   #14
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

Quote:
Originally Posted by BillBoost37
Jason

92/93 is 2.5 (I'm pretty sure)
94/95 is 2.8 (thinking)
96+ is plain old huge compared to the others.
Correct, Bill. 2.2-2.3 is the next step down for the 92/93, 2.5 is for the 94/95. Pulleys as small as 2.0" are available, but they quite simply can't be used without massive KR or alot of top end porting.
willwren is offline   Reply With Quote
Old 12-22-2005, 02:42 PM   #15
Senior Member
Posts like a Turbo
 
Join Date: Dec 2003
Location: Monroe, MI
Posts: 230
Thanks: 0
Thanked 0 Times in 0 Posts
1994ta is on a distinguished road
Default

A 2.1" pulley is overkill for your basic intake and exhaust bonneville, but I have a drilled 160 tstat along with manual fans during the summertime to battle some KR along with a nitrous kit to cool things down as well. During the winter however, I'm back to a 180 drilled tstat and no nitrous. With the weather as cold as it is, my car never reaches full operating temps with the drilled tstat while I'm moving. If I let the car sit, it will easily reach 180 degrees. But in motion, all the cold air across the radiator still keeps the engine nice and cool. I don't notice much power loss in the winter time.

Oh, and 96+ pulleys are 3.8" I believe.
1994ta is offline   Reply With Quote
Old 12-23-2005, 02:57 PM   #16
Senior Member
Posts like a Corvette
 
Join Date: Jul 2004
Location: Bolingbrook, IL Location: Clarkston, MI
Posts: 1,256
Thanks: 0
Thanked 0 Times in 0 Posts
llBlazin_llLo is on a distinguished road
Default

Quote:
Originally Posted by OLBlueEyesBonne
Gonna order a Gatorback and see if that helps. Otherwise I'm not sure what to do.
Get a Gates belt instead of a Gatorback. That will stop the slipping.
llBlazin_llLo is offline   Reply With Quote
Old 12-23-2005, 05:17 PM   #17
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

Quote:
Originally Posted by llBlazin_llLo
Quote:
Originally Posted by OLBlueEyesBonne
Gonna order a Gatorback and see if that helps. Otherwise I'm not sure what to do.
Get a Gates belt instead of a Gatorback. That will stop the slipping.
I get zero slip with Gatorbacks, and find the Gates belts to produce too much squeal when I let off the throttle. They're annoyingly noisy.
willwren is offline   Reply With Quote
Old 12-23-2005, 05:37 PM   #18
Senior Member
Posts like a Corvette
 
Join Date: Jul 2004
Location: Bolingbrook, IL Location: Clarkston, MI
Posts: 1,256
Thanks: 0
Thanked 0 Times in 0 Posts
llBlazin_llLo is on a distinguished road
Default

NAPA Gates belts have been proven to be the best belts in terms of gripping a pulley - That is why 99% of the 3800 Supercharged big dogs run them. When you start getting into the sub-2.2" pulley range every little bit helps. I actually think that the gaterback are louder but I can't hear it over the whine of a 2" pulley and exhaust.
llBlazin_llLo is offline   Reply With Quote
Old 12-23-2005, 06:59 PM   #19
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

I've looked at the 'fit' of the grooves on both styles, and would disagree using my personal opinon. The groove depth of the Gates is not deep enough to fully recieve the ridge height of the pulley, leaving less surface contact. In other words, I've found the Gates belts to not fully 'fit' into my pulleys, where the Gatorbacks provide a good snug full fit. I have run both on both cars now.
willwren is offline   Reply With Quote
Old 12-23-2005, 09:27 PM   #20
Senior Member
Posts like a Corvette
 
Join Date: Jul 2004
Location: Bolingbrook, IL Location: Clarkston, MI
Posts: 1,256
Thanks: 0
Thanked 0 Times in 0 Posts
llBlazin_llLo is on a distinguished road
Default

Quote:
Yes, something so seemingly simple can become quite complex. There are two accepted styles of pulley groove on the market right now.

One of them is an ANSI approved rounded tip. The thought process here is that the belt will achieve maximum clamp load through maximum surface contact area. In theory this is a good thought but in practice it results in less effective clamp load and can allow the belt to "float" on the pulley.

The other style is almost identical with the only difference being a flat-topped rib. This significantly increases effective clamp load when compared to the other design. All of our pullies use this design.
Just like with pulleys just because you have more contact area doesn't mean you increase clamp load. ZZP has tested almost every single belt out - Gates did the best and Gatorback was one of the worst. Ask INTENSE what belts they use on the Bonne, ask ZZP what belts they use on Zooomers car - they will all tell you NAPA Gates.[/quote]
llBlazin_llLo is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
The MOS family may have just gotten larger... MOS95B Lounge 36 08-08-2006 08:57 PM
Larger brakes (92-99) on a 1987-1991? OLBlueEyesBonne Performance, Brainstorming & Tuning 0 04-16-2005 06:15 PM
Larger/Bored TB? GonneVille Performance, Brainstorming & Tuning 3 12-07-2004 10:46 AM
ZZ PERFORMANCE MINI AFC AND A LARGER TB Forced Induction 8 05-27-2003 08:03 PM
HP gains on larger TB? 93-SSEI- Performance, Brainstorming & Tuning 15 02-26-2003 05:36 AM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 08:48 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.