KB Belt slip options

[Phantomhalo]

So I'm noticing some belt slip with my new setup. I have the 3" pulley and 90mm idler. However, I know there are the aux idler pulleys for the non-LC versions, but what about the LC models? What are you guys running? Thumprrrrrr..r.., bigger idler, different belt? I just have the belt KB sent with the kit currently. Also, I have a 3 1/4" pulley for 91 oct that the fix will have to work with. Thanks!!

 

[ShelbyGT5HUN]

VMP has a new heavy duty tensioner now...

 

[2011 gtcs]

What is your current drive belt? I'm running a gates green belt

 

[Phantomhalo]

I'll look into VMP's tensioner. I don't know the current size of my belt but it's just the black one that KB sent with the kit. Do the Gates belts not slip as bad?

 

[JB_2010GT500]

I'm running the gates blue belt with a 3" pulley and stock idler on my 2.8LC. Never had a belt slip issue.


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[Phantomhalo]

Maybe I'll just do both to be safe. Does the idler put more tension on the belt or does it just resist the urge to lift when pressure is applied like when you step on it?

 

[JB_2010GT500]

I think the belt is just more rigid and less likely to flex. Van will know the specifics since he helped design it.


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[Phantomhalo]

Yeah I'll have to give him a call on payday...lol

 

[BilletProShop]

heavy duty tensioner and grab one of these, sold tons of them for the same issue you are having.

http://www.billetproshop.com/product/aux-idler-kit-for-whipple-4l-shelby-gt500/

 

[Phantomhalo]

heavy duty tensioner and grab one of these, sold tons of them for the same issue you are having.

http://www.billetproshop.com/product/aux-idler-kit-for-whipple-4l-shelby-gt500/

That fits with the liquid cooled opinion? Where does it hook up, same place as the normal aux idler? Don't the cooling lines get in the way? Thanks!

 

[MADRUSSIAN]

I have non lc 2.8kb and with aux belt tensioner I still had belt slip. Changed my factory belt tensioner to thump rrr unit, got rid of aux tensioner and belt slip is gone.

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[Phantomhalo]

Awesome, thank you!!