I am curious if a larger than stock GSR throttle body will be beneficial for a JRSC setup.

I'd think that any reduction in restriction to get air into AND out of the blower would be beneficial.

I also got this idea since RMcDaniel's old ported & LHT Intercooled JRSC setup used a larger (75mm, I believe) throttle body (I think it came from a Mustang).

Ideas, guys?

 

Anyone?

 

Yep, the 75mm required significant porting of the elbow, filling in the IACV port in the manifold, and mounting the IACV on an external adapter plate. Aside from that the 75mm Edelbrock TB worked fine.