500WHP 7M vs 500WHP 2J

[Crypton2006]

I am runing the same turbo but with the 68 turbine a/r it chocked my car at upper rpm see my sig for my number

I recently switched my turbine A/R to a .81 and noticed a HUGE difference on the top end and the turbo actually is spooling a little earlier (weird i know) i talked to a turbo guy and he said he has had a few other people tell them that a larger A/R spooled the turbo sooner when they where running to small of a housing to begin with. Did you make that 585 on pump gas? and how much boost?