The gmc is a 2014 truck with a 5.3. It has a cam, headers, supercharger, a built trans, and other things I'm forgetting. The previous owner of the truck is another friend that works for Lingenfelter.
Thanks everyone for the advice. I know the ta49 is good for about 500hp. Now after reading your comments I might just stick with the 49 and get a better chip and supporting mods. I like how fast the 49 comes on. Just trying to keep up with my friends 600hp gmc.
I've owned the for 25 years but have had it stored away. Looking to get it out again and be able to hang with the new cars. The trans was fully built to hold up to a 9 second car with may 10,000 miles on it. The setup was done about 10 years ago. I've been out of the turbo game for awhile and...