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JRSC belts & pulleys: please discuss it here

49526 Views 819 Replies 63 Participants Last post by  iamsyko
I know a lot of us JRSC guys having or had problems with our belts and pulleys and a lot of time we hijacking other threads because of it, so I thought it was a good idea to start up on a thread just about jrsc belts and pulleys. The thread is not only for current jrsc peeps but also for the newbies as well so they won't get us frustrated asking the same question over and over again.

I'll start off with one question, I read around and found a member who is using a goodyear 070775 belt which is 7 rib and 77.5 inches long. I tried a dayco belt that was 77.5 long and it wasn't even anywhere close to fitting onto the 3.4 pulley. The dayco 78.9 belt fit extremely well for the purpose. What I want to know is that anyone else tried the goodyear 77.5 long on a 3.4 pulley or is it because different makers make belt a little bit different in length.

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alphaSSmale said:
Today I installed the new PS pully and a new belt. Within 15miles of driving my belt was torn to threads. :( Right before the break I smelt a burning smell. couldn't really tell what it was though... So that was my fith belt. I guess I gotta call JR again tomorrow and see what they say.

damn bro the problems you are having makes me not want to get this kit.
i VieTEC said:
Welcome to the board.

You have a race version with what pulley size?: 4" (5psi), 3.4" (7psi), 4.2 (9psi)???

Do you have just Hondata reflash or K-Pro? There are many dynos but all are different because of many variables.
Isnt is 3.2 for the 9PSI? I'm not sure just woundering?
NO prob. I needed to know also
lanman2000 said:
i want that tensioner RIGHT NOW... as long as it fits the JR kit obviously :)
Thought you were selling your car?
Cant wait to see the new piece. Hopefully they did a better job on this one. Hope you get it on Monday-Tuesday lanman2000. Jackson Racing is in cali and so are you, shouldnt it only take about a day to receive it?
I just talked to the sales guy. He is aware of the new parts and he said its in production currently. Not really sure how much he knows but thats what I heard. I need to order my kit but I want to wait and see how things are working out with the new parts for someone that already has the supercharger.
Does anyone have a bigger picture of the new parts?
i VieTEC said:
Good luck to that guy with the EP JRSC running 3.4" pulley. I'm taking off my 3.4" and going back to 4.0" and retire from anymore modding. I give up because this hobby is taking up too much time and money
I like what you said about taking up too much time and money. I'm having a very hard time making decisions right now.
i VieTEC said:
Don't get me wrong it's a very fun hobby to mod your car and see what it can do. But I'm just a broke ass college student who needs to get his priority straight and graduate already. I've spent so much time and money on the car while I should have been duh no shit huh...ok i'm officially retired. No more mods
I know what you mean. I know what you mean and I have hella student loans that need to be paid off. I think i'll do all that after I get the supercharger though. :laughing:
Is that a decal or an emblem?
I think the 7PSI pulley should come with a different belt. Not sure though.
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