I think I personally would run the TPI. I like the low end response of the TPI and I think the LS motors are oriented more for high end performance.

But then I guess it depends on what you really want performance wise.

If you move ahead with the LS PM me.

1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble...