Chevrolet gen III throttle body question

[Mark Newhan]

Does anybody know what the biggest throttle body that comes on the pickups? What is the size of the 6.0l SS Silverado or 8.1l?

[scottm]

From what I understand the early 90's 7.4 throttle body was the biggest at 2.0" bores. Extreme efi bores them out to 2.125", and reportedly it will support 460 hp. I am going to run one of these tbis with a Dynamic-EFi ecm on my own 383 smallblock 8 truck. It will be Score legal too! Plus the dynamic efi unit will support twin tbi units, for over 900 hp capacity.

http://www.xtremefi.com/QA.htm
http://www.dynamicefi.com/

[scottm]

Gotta go now, see ya at the mud bogs, I mean Parker!