ok my set up as it stands.

06 crew cab 5.3
pacesetter long tubes and ORY
magna flow cat back
air raid intake
shaner ported TB
under drive pulley
patrick G 222/226 .597 .605 112+4 cam
dual valve springs
pushrods
circle D 245mm 2b (3200-3400) but flashes 3500 in this heavy truck
has a LARGE tranny cooler with fan
g80 and 3.73s
was tuned by john weeks and parts installed by XXX performance

was on stock tires so it was only locked on the dyne to about 4500 and stopped due to tire speed and stock drive shaft haha.. it did 290 then.. and so it was tuned and dynoed unlocked and the final numbers where 310..made power to 6200 and only fell orr 5-6 to 6400 so its shifting at 6400 and limiter is at 6500.. tell me what u guys think and what it will run with a tire... i have rims and tires ordered and they will end up being 30" tall ones on it now are 32"