Why does the belt keep jumping off
#1
Staging Lane
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Join Date: Mar 2002
Location: New Orleans LA
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Has anyone gone through this? My belt keep slipping off at full throttle. I do have a converter but it never did this with just that. Ever since I went up with the rev limit and shift points. The belt comes off when I run her hard. Any suggestions?
#3
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try a new belt. i replaced mine once and after a run at the track it would be off of two ribs. i got another new one and it has not happened anymore.
#4
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You will probably have to order a new tensioner pulley from Thunder Racing. This happened to me after my heads/cam install.
They sell the pulley that has a little higher lip on it to keep the belt from sliding off. There was no other way around it for me and not one problem since the pulley install.
I think it cost $50 - $65. Worth every penny!!
Eric
They sell the pulley that has a little higher lip on it to keep the belt from sliding off. There was no other way around it for me and not one problem since the pulley install.
I think it cost $50 - $65. Worth every penny!!
Eric
#5
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You will probably have to order a new tensioner pulley from Thunder Racing. This happened to me after my heads/cam install.
They sell the pulley that has a little higher lip on it to keep the belt from sliding off. There was no other way around it for me and not one problem since the pulley install.
I think it cost $50 - $65. Worth every penny!!
Eric
They sell the pulley that has a little higher lip on it to keep the belt from sliding off. There was no other way around it for me and not one problem since the pulley install.
I think it cost $50 - $65. Worth every penny!!
Eric
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I installed the same "higher lip" pulley and my belt throwing troubles are history...
Tommy
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#6
LS1Tech Co-Founder
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I kept throwing my serpentine belt after I put together a combo that I buzzed up to 6600.
I got the ASP 'Larry' pulley that TR sells.
FWIW I first tried replacing the tensioner with a newer one and it did not cure the problem so don' bother.
I got the ASP 'Larry' pulley that TR sells.
FWIW I first tried replacing the tensioner with a newer one and it did not cure the problem so don' bother.
#7
TECH Senior Member
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good info! I'll have to try that pulley out... i've thrown my belt twice (once giving it too much gas on startup (before I tuned it), and 2nd when I was messing on the expressway at 120)
Anyone have a link to it? I checked TRs page under pulleys but only tensioner thing I saw as 130 bux and didn't include pulley...
Anyone have a link to it? I checked TRs page under pulleys but only tensioner thing I saw as 130 bux and didn't include pulley...
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#8
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Anyone have a link to it? I checked TRs page under pulleys but only tensioner thing I saw as 130 bux and didn't include pulley...
Tommy
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