Info/Help w/Oversize Tensioner Pulley

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02-23-2009, 11:53 PM

kwest

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Info/Help w/Oversize Tensioner Pulley

Hey gang, i was told that if running a smaller pulley (2.7in) that instead of going with an adjustable tensior ($100+ zzp) that you could install a larger tensioner pulley (3.5inch i believe) to help tighten the belt and help/eliminate belt slip. I wanting to know where i can purchase this, how much, pros/cons, and what is all involved in the install...hopeing for quick answers for id like to do it before the weekend. When i talked to Nate at smoothflow pulleys today he said he offers one at $50....

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02-24-2009, 12:26 AM

HunterKiller89

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i thought either ZZP sold one or OTTP. check out their sites

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02-24-2009, 01:45 AM

kwest

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Quote:

Originally Posted by HunterKiller89

i thought either ZZP sold one or OTTP. check out their sites

yea i seen the one on OTT. i just trying to figure out whats involved in install...and make sure if i have this, my stage 2 belt, a 2.7inch pulley that ill be good to go with no belt slip. ive done alot of research on here and others and it seems like everyone varies.. I've got a horrible sqeauk under my hood now, so i think its something to do with my belt..

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02-24-2009, 03:15 AM

HunterKiller89

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well, i think the oversized pulley is made to be used in place of a stg 2 belt. using both might be too tight. install would probably be fairly easy though. is it a rattling or a squeaking?

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02-26-2009, 04:00 PM

RA040424

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Quote:

Originally Posted by kwest

What might Belt slippages sound like or act like when hitting the gas? anything similar to a slipping clutch?

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02-26-2009, 04:05 PM

mexi_loco

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kelby, I'm running a 2.7" right now on my s/c, and I didn't need to install any kind of tensioner. Stock one worked just fine

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02-27-2009, 12:00 AM

HunterKiller89

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Quote:

Originally Posted by robertwhamm

What might Belt slippages sound like or act like when hitting the gas? anything similar to a slipping clutch?

not hitting your normal boost numbers (i was pushing 13psi regularly until i started getting belt slip, then it dropped down to 8psi). Its accompanied by a very distinct sound...you'd be able to guess what it is almost immediately after hearing it

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02-27-2009, 12:01 AM

kwest

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Quote:

Originally Posted by mexi_loco

kelby, I'm running a 2.7" right now on my s/c, and I didn't need to install any kind of tensioner. Stock one worked just fine

no ****?? are you going to the bash?

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02-28-2009, 12:01 AM

nherbst454

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Here's a pic of the idler pulleys I make, this is a set for the L67 but a 3.5" idler for the tensioner will look the same.

Nate

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02-28-2009, 12:02 AM

#10

Black SS/SC 06

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Nice I haven't seen those before.

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02-28-2009, 04:35 PM

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Jn2

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woah those pulleys look good

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02-28-2009, 06:22 PM

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nherbst454

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Quote:

Originally Posted by Jn2

woah those pulleys look good

Thanks, if anyone's interested feel free to pm/call/email me!

Nate

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02-28-2009, 06:23 PM

#13

Jn2

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i may be but i need to figure some things out, wether i want to change from turbo build to supercharge instead

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03-02-2009, 10:12 PM

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kwest

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Nate, from my understanding the stock pulley is 2.5inches, so the ideal oversized to help belt slip would be 3inches...but yours are 3.5inches..???

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03-02-2009, 10:26 PM

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HunterKiller89

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i think the 3.5" ones are for the M90 cars...not for us. He can make any size pulley anyway, so he can make a 3" idler pulley

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03-03-2009, 11:14 PM

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nherbst454

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The L67 uses one 3" ribbed, one 3" smooth, and one 3.5" smooth so I have whatever you want in stock. One member is running a 3.5" smooth if I recall correctly.

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