Hey im trying to figure out the size of the belt with just a supercharger pulley added. I have no idea what size/brand this pulley is, just that its a lightweight pulley. I know i can just use a jcw belt, but i dont want to wait like 5 days for it to mail in. I would rather go to oreillys or so and get a metric belt from there. Any suggestions?

 

Take a look at this (posts 30 and 31), it’s in the “Modifications How-To” sub forum.
Looks like NAPA (Part # 060539) or NAPA 25-060535.
I found a few belts/#’s while searching for belts, plugs fluids, etc that I needed to change this summer/fall.

You should probably read the whole thing.

https://www.northamericanmotoring.co...-how-to-2.html

post a picture of the pulley, someone will recognize it

ab

 

No need to buy a metric belt....
When you say lightweight pulley...is it on the sc or is it the crank damper pulley?!
The size of the pulley...eiither one, will determine the beltsize....
60535 length belt is good for a 15% or 17% reduction....if cank damper was changed...then you need to know if it is stock size, or +2%....(most "lightweight" pullies are these....the sc pullies are so small, snd tiny diameter, weight does not matter...the thermal expansion contraction rate being the same as the sc shaft is much more important...so most sc pullies are stainless or regular steel.
But belts are cheap....install one....look at the tensioner...see if it is about right....should be a few pics around of what a proper lengrh belt appears to look like....

 

I have the lightweight pulley on the SC.. No crank pulley here, lol dot wanna wear out my engine..

Went to NAPA with part numbers only to find out those "numbers" didn't exist according to their computer.. I just want to order a standard belt size so I don't have to fork out $30 for a new one

 

And idk how the belt tensioner is supposed to look...

 

6 rib 535 length...any counter guy can get you that belt, any auto store...multiple brands. Think the stock may be 1388 mm length...so you could guestimate the amount you want shorter...most any auto store should have a chart listing metric vs us length equivelents...