ok my buddy has just rebuilt his motor and it is gutless. he is waiting on the rest of the stuff to boost it... such as downpipe and fittings... besides the point... ok his set up is currnetly N/A... has a Z6 combo P28 ECU BOTTOM END: TT rods, Vit pistions, king bearings, ARP rod bolts, ARP head studs. HEAD: skunk 2 springs and retainers, stock cam, P&P head. he has a DC header (not headers), intake, Skunk2 intake manifold, LS TB, 12 LB ACT flywheel, Exedy clutch, A6 pully (3lbs)NGK plugs.... just got it running and trying to brake it in and do his pulls. he is on a flat straight strech trying to accerelate and its takes for ever, even in 2nd gear he fights to get it up to 55 MPH. any other info need i will supply and will try every thing will be tried... timing is TDC he double checked... cam, crank, and dizzy is TDC.