What Belt length do I need

[Jmurrz]

Yes, another belt length thread. I have stock idlers (I know, I know) with a Metco 100mm snub idler. I have a 3" upper pulley and stock lower. If it were an eaton it would be a simple trip to CobraBob's site but it is for a Gen 2. 2.3 Whipple.

Thanks in advance!