Consistently ripping belts

[digital911]

Ever since I upgraded to TVS 2.3, I've been having issues with my belt only lasting a thousand miles or so before it begins to frey. I am not sure if it's from the increased torque on the belt or what? I do not think it's misaligned.

Any ideas? Do I need a Kevlar belt or what?

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[MalcolmV8]

That's not normal. You have something wrong. My first guess would be a misaligned pulley.

 

[Zemedici]

Check alignment

 

[CobraBob]

It's almost certain to be an alignment issue. The edge is fraying, correct?

 

[digital911]

It's almost certain to be an alignment issue. The edge is fraying, correct?

Correct and my nations alternator has a batt light flash at wot under high rpm. Not sure if that means slip but it appears to hold boost so I don't think so.

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[MalcolmV8]

Correct and my nations alternator has a batt light flash at wot under high rpm. Not sure if that means slip but it appears to hold boost so I don't think so.

Typically that means the alternator is going out. It's not holding voltage at the high RPMs at WOT. You can datalog voltage and confirm that's the problem.

 

[digital911]

Typically that means the alternator is going out. It's not holding voltage at the high RPMs at WOT. You can datalog voltage and confirm that's the problem.

I will data log it. As far as the freyed belt, it's one rib facing the engine itself.any ideas on where it could be coming from?

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[Bdubbs]

How long have you had the nations alternator? I made a thread last summer in regards to the nations alternator not providing the correct washer. I had to use a thick washer as a spacer for the correct alignment.

 

[Bdubbs]

http://www.svtperformance.com/forums/threads/my-first-review-of-nations-200-amp-alternator.1118055/

 

[Shadow Grey 03]

I have to agree with everyone else. It is almost certainly a misalignment.

 

[CobraBob]

How long have you had the nations alternator? I made a thread last summer in regards to the nations alternator not providing the correct washer. I had to use a thick washer as a spacer for the correct alignment.

I remember your thread about this, Brady. Definitely worth looking into by the OP. Here's the link to your original thread. http://www.svtperformance.com/forums/threads/my-first-review-of-nations-200-amp-alternator.1118055/

 

[digital911]

http://www.svtperformance.com/forums/threads/my-first-review-of-nations-200-amp-alternator.1118055/

As a matter of fact, I recall all of the belt shredding issues started shortly after the nation's alternator and yes your right they didn't send the correct bolt. The diameter of the bolt is a little too small and I allowed it to be put on like that anyway. I bet that slight amount of angle is causing the problem.

I am hoping that is also the cause of the flashing battery light at high rpm under full throttle.

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[Bdubbs]

My battery light still flickers at high rpms. Not all the time though. It's common. I was watching and data logged to make sure, volts never dropped below 13.8-9 range.

 

[digital911]

My battery light still flickers at high rpms. Not all the time though. It's common. I was watching and data logged to make sure, volts never dropped below 13.8-9 range.

Good, that makes me feel much better.

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[digital911]

My battery light still flickers at high rpms. Not all the time though. It's common. I was watching and data logged to make sure, volts never dropped below 13.8-9 range.

Did you change the pulley on your alternator to try and slow it down or did you keep the same from nation's?



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[Bdubbs]

Did you change the pulley on your alternator to try and slow it down or did you keep the same from nation's?



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I kept the same from nations. It's already larger than the stock one. I believe nations is around 2.9" and stocker is what 2.6"?

 

[digital911]

I kept the same from nations. It's already larger than the stock one. I believe nations is around 2.9" and stocker is what 2.6"?

Yeah sounds right.

BTW, how do you like your thump tensioner? And did you replace all of your factory idlers?

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[Bdubbs]

Yeah sounds right.

BTW, how do you like your thump tensioner? And did you replace all of your factory idlers?

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So far I like it, but it's fairly new I installed it in fall. I'm running the metco idlers.

 

[NotoriousGT350]

I had a problem recently and went through 2 belts shredding within a month. I had an idler backing out which I helicoil and fixed, but the culprit causing it to back out and shredding belts was my Alt pulley. Was barely hanging on and way out of line destroying the pulley, alt cover. Had flickering battery light as well. Got new alternator and new 3.2 pulley, problem solved.