I have a tube buggy with a quadrabog carb right now tring to decide if a tbi fuel injection ie low lost or a 5.3ls is the way to go i have a 2001 5.3 with everything but harness and ecm dumby at junk yard cut harness radiator is a howell aluminum and is in front no real problems with 350 just want efi whats the best way to go from here by the way 350 is about 300 horse and very strong could sell 5.3 or 350 to recoupe some expense running th350 turbo and np208 and 4.10 gears 10bolt frt and 14ff rear thans