If you're gonna bore the T-body, then ya oughta look into getting/making a bigger airbox. I have been told many times that EFI engines like to pull from a large stable pool of air. A friend of mine that races short track crams a huge airbox in his racer.
'Course I have a 4banger, and this may not apply equally to your engine. <img src="/forums/images/graemlins/smile.gif" alt="" />

Sounds like you are using them "system" approach to your mods <img src="/forums/images/graemlins/kewl.gif" alt="" /> Lot's smarter than peeps that just slap in a K&N and expect some kinda miracle.

shaggy <img src="/forums/images/graemlins/notooth.gif" alt="" />