Originally Posted by 2gr84u

my thoughts exactly, my friend is running a 57 trim on his d series, he he hits full boost (28 psi) at 5200 rpm, so the smaller 50trim should see full boost by 4800 like I mentioned above.

Originally Posted by Zeusfire69

All I can tell you is that I have a t3/t4 on my B16 with a .48A/R stage 2 (a little smaller than a .63) turbine and it hits full boost about 4400 or so. I just speaking from my personal experience.

BTW, you are acually agreeing wiht me Start to boost at 4800 or so, then full by 5500? WTF?

Originally Posted by ososlohatch

id check for a boost leak .. our stage 2 48/52 hit full boost (14psi) by 3500 .. stock internal b16 .. alot effects spool time but ive never ever seen a turbo not even START to spool on a honda by 4 grand ... maybe not FULL boost but it will have started for sure