Hey guys i figured id post in here the get some opinions, we had a dyno day today and my car put down some crappy numbers, its a 2008 gt500 with 60k miles, very well taken care of, always ran on mobil 1 synthetic and oil filter, amsoil tranny fluid and been 100% stock until 58k miles, best of 3 pulls it made 489whp and 516wtq on a dynojet dyno, heres the mods.
Stock blower
vmp mail order tune
Vmp 2.5 pulley with 90mm idler
Brisk racing plugs gapped at .032
Jlt carbon fiber 127 intake
Jba o/r x pipe
Mbrp race series axle backs
mcleod rxt clutch
Larger intercooler resivor
Stock gears
Dynojet dyno was used
Maf is clean (cleaned it about 1k miles ago)
pretty high humidity (92%, dyno was inside the building )
car feels pretty good but i know it should have put down alot more than that, last time at the track i went 11.8@120mph with 1.87 60' on mickey e.t. drags radials on welds rs-t wheels, thats before the 2.5 pulley and o/r x pipe.
Stock blower
vmp mail order tune
Vmp 2.5 pulley with 90mm idler
Brisk racing plugs gapped at .032
Jlt carbon fiber 127 intake
Jba o/r x pipe
Mbrp race series axle backs
mcleod rxt clutch
Larger intercooler resivor
Stock gears
Dynojet dyno was used
Maf is clean (cleaned it about 1k miles ago)
pretty high humidity (92%, dyno was inside the building )
car feels pretty good but i know it should have put down alot more than that, last time at the track i went 11.8@120mph with 1.87 60' on mickey e.t. drags radials on welds rs-t wheels, thats before the 2.5 pulley and o/r x pipe.