big stuff 3 tune
it is a built 347
absolute speed stage 2 5.3l heads
t-rex cam shaft
gm high performance single plane
eldlebrock 1000cfm throttle body
diamond high comp dome pistons (i have specs if needed)
bore 3.905
stroke3.622
rod length6.125
from my calculations about 12.96:1 comp
th350 trans
4.10 gears
and i have 28" tall tires on it
if any more info is needed just post up
thanks alot guys/gals
and i hope u can find someone that could help you with a tune from similar setup


