help
 

whats up everyone.....ok my 88 5.0 has a newly rebuilt engine...stock block, manifold and intake...70 mm throttle body 19lb injectors stock cam......car runs fine but it bogs out...i can leave the line at 2000 rpms or 4500 rpms and it bogs out....i know i need rear end gears nut why could it be bogging out??

check the timing
gears make a big difference outta the hole