This might sound like somewhat of a silly question, but do most people install a 75MM throttle body when adding a supercharger? I installed a 90MM mass meter when I got my supercharger installed. How much improvement can I expect to see if I add a throttle body?

Thanks,

Bixbystx

 

My guess is that most people do not install the 75mm with a s/c. I did with my Powerdyne, but I doubt that it added much. The stock intake elbow behind the TB is still 70mm or smaller, and as I remember, is tapered to create a venturi effect. So the elbow will continue to restrict air flow. I am now in the process of enlarging another elbow I picked up to 75 mm. I think this will let more air flow.
Here's a pic posted by Neal.



https://www.f150online.com/galleries...473-129174.jpg

 

With a 75mm and a ported elbow you may pick up a little.
I think it's worth doing with a supercharger.

I did.

Phil