open primary install question

[prairiehorse]

Was going to put open primary by ultima....anyone done this?
what offset do i need?
Advice?
going on a 05 ridgeback 117, baker trans

 

[cvegmond]

Was going to put open primary by ultima....anyone done this?
what offset do i need?
Advice?
going on a 05 ridgeback 117, baker trans

I used the Baker SBD open belt primary, which doesn't require any offset spacers. The product is specifically made for BDMs and Baker trannies.

Otherwise, I have no idea about the other "not-Baker" open belt primary offset.

Good luck.