Hello all. I've had a 6.0 iron block engine backed with a 4l80e in my Elcamino for a few years now. I've recently picked up a super T10 that I will be swapping in place of the 4l80. The car is a pro touring build and it will see some autocross. I have a 6.0iron block, forged flat top Pistons, h beam rods...etc., running 314 heads, stock cam, ls6 intake, bbk short headers with cats. Issue is I go through inspection every 2 years and I wanted to do some mods to the engine to pick up a little more power. The car passes inspection and emissions with no issue at all. I know with a tune (never had one yet) it will probably run a lot better.

Has anybody done any other mods that wouldn't kill my emissions test? I've pondered doing a can swap every two years but that doesn't seem logical haha