Help Needed! power leveling off >:D
Help Needed! power leveling off >:D Powers leveling off starting at 4300 rpms and can't figure out why, I attached a dyno graph so you can see what I'm talking about, car is a 00 trans am ws6 LS2 block 365ci, PRC stage 2.5 LS6 heads, LS6 intake manifold, ECS big blower cam, R&R steel billet rods, stock crank, manley forged pistons 10:1 compression, D1sc 14# of boost, twin 4.5 intercoolers, methanol injection 60/40 mix with water, lvl 7 4l65 trans, yank py 3400 converter, moser 9 inch, 3.50 gears. Let me know if you guys need more info, thanks for the help
Anyway peak torque is 641 at 4300 rpm and power peaks out at 527 at 4300 rpm and stays at this power level all the way through 6500 instead of climbing like it should
What is the boost doing? What kind of dyno? My turbo setup would actually drop power after 5k or so but it was dropping boost as well. The dyno couldn't load the car enough. I would make 14lbs or so at 5k and be down to 10 or so at 6500. On the street it makes the 14 to 6500. How does it feel on the street. Does it pull to redline or does it lay over?
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On a dynapak and a mustang dyno its done this except on the dyna pak it read a bit higher 648rwtq at 4300rpm and 644rwhp at 5400rpms and stayed there untill 6500 rpm instead of climbing
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