Thank you, I'm definitely planing on 383 build and wanting to do best to keep it tbi. I want to get comfortable tuning tbi systems first before I even go changing the heads let alone everything else.

I bought my 94 Suburban in 2013 kind of a garage find. The original owner past away and it sat for 8 years before being put up for sale. I purchased and shorty after the g80 exploded and took out...