Idler Pulley size and location

[88stangnut]

This might be a stupid question but i couldn't find an answer searching around. I am going to get a set of the Metco Idler pulleys with the snub idler and I'm sure which ones I should go with. Is the 3-100mm and 1-90mm the normal setup or is the 3-90 and 1-100?? Also which sizes go where??

 

[cj428mach]

Go with the 3-100's and 1-90.

The larger the pulley the slower it spins which is better for bearing life.

 

[88stangnut]

So would i use the 3-100's for the regular Idlers and the 90mm for the snub idler?

 

[MG0h3]

I believe the smaller one goes down nearest the crank on the cage.

But Im subn. because my car only came with the snub and two others, caged one is a stocker.

 

[cj428mach]

So would i use the 3-100's for the regular Idlers and the 90mm for the snub idler?

The snub is usually a 100mm,

The smaller idler goes just before the blower.

 

[RI-SVT]

^ exactly what I did 3x100 1x90

 

[Woody6799]

I went 3 90's and 1 100 on the snub. It's all about the belt wrap