Question on jackshaft pullies

nickleman60

Registered User
I should know this but I'm having a brain fart this morning, if you have a 5% or 10% OD pulley isn't the belt that goes to the crank pulley the one being OD'd?
 
Pretty sure its the big end that they make bigger. Instead of the small end being smaller. But maybe both?
 
Since I'm still able to use a stock crank to jackshaft pulley belt on my ESM 10% OD JS pulley, I think only the portion that goes to the supercharger pulley (big end) is larger.

David
 
Since I'm still able to use a stock crank to jackshaft pulley belt on my ESM 10% OD JS pulley, I think only the portion that goes to the supercharger pulley (big end) is larger.

David

I'm asking this because of the question I pm'd you, not that I didn't believe you but like they say in the medical profession............get a second opinion.........:rolleyes::D
 
Keith on my SCP 5% vs stock it looks like the small side is smaller and the large side is larger. So it is a little bit of both.
 
I thought that was the case as so not to slip the blower belt any further.

You'd have to compare yours to a stock j/s pulley to see the differences.
 
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