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Hi all.

I bought the 152 tooth timing belt that Spool imports supply for the rb25/30 conversion.. But its not long enough... !! My fault not Spools!

I used the rb30det.pdf thats around to setup my tensioner pulley. Were its written in a picture were to mount the tensioner.

i need a other belt that is 2 - 3 tooth longer.. 4 -5 tooth will prob be okay also. Were and what can i use? I have looked in Dayco wepshop, and can see the tooth proflile for the belt used in the .pdf file is: STP8M (Dayco number 94407).

Can I use other tooth profile? Or is my only option the 164 tooth long belt? If still need to be STP8M profile...? Do you think i can use the 164 tooth belt??

Really hope someone can help me out here.

Edited by nissan200sx.dk
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  • 2 weeks later...

CA series motors only run a 3/4 inch belt ~19mm wide, the rb belt is inch ~ 25mm wide. Are you sure your belt is not hanging over the side of the idler?? it will wreck the belt in minutes of running

i would say that you will wreck the belt like that.

Can you get another RB tensioner? they are the correct width and also seem to be cheaper than the RB idler pulleys. Plus like proengines said, you can adjust it to suit

Looks liek you either need to re-drill and tap the top tensioner, or contact gates belts and get them to make you a custon lentgh belt. The next size they do in 8mm HTD is 164 teeth which is 96mm longer than the belt you have now and probably too long?

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