setxathlete14

hey guys i just "stole" a 01 GMC 1500 ecsb.

22" intro wheels. baer big brake kit. slotted and drilled rotors.
3.90 gears with eaton posi unit.
4L80e tranny with shift kit
6.0L freshly built motor
manley forgerd pistons, rings, rods/LS1
king HP rod and main bearings
caliz crank
ARP main stud kit
melling performance high vol. oil pump
GMPP hyd. roller lifters
New GM elec. fuel pump
TR6 NGK plugs
block bored & honed with torque plates
ceramic longtubes
magnacharged. 5LBs boost W.O.T.
motor has 3k miles on rebuild and tranny has 2500k

now the bads. needs a tune really bad. imn thinkin i need a walboro 255. cuz it only fires up on 2nd roll over on key turn. And not positive it its a "408 stroker" like stated. rev limiter is set a 6k RPMS. stock Y-pipe and cats coming off the headers and looks like a freakin RV magnaflow muffler on it and shift points are screwed up... i know i know pics are coming soon$ lol ANY ADVICE IS KINDLY TAKEN.........

tarinitup

iTrader: (11)

NELSON or other sponsors to the right for tune. Make sure you have bigger fuel pump and check what injectors are on it.

setxathlete14

they guy i got it from had 42LB injectors but im not convinced... been lookin at this MSD fuell booster. familiar with it?

nonnieselman

iTrader: (10)

Just get a new pump... it will be plenty for a 408..

skeet

iTrader: (18)

you live close to me, i can turn ya on to someone who can tune that thing, gimme shout when ya get your pump issues done.