rbrettctd

Im used to my h1c and 727 boost, when I would run up to 10-12lbs of boost at low speeds. On a test run with the getrag and hx35 installed with new crossover, I cruised about 25-35 and just under very light throttle saw around or a little below ten, and under 3/4 throttle in 4th hit 32. Just wanna know if this is about right? It seems like it, cause the truck is VERY POWERFUL now, makes it look so weak before. Thanks.

jdwest

With my pump cranked 1/2 turn from run away, I get 35psi under a hard pull and about the same as you during easy driving. That hx35 sure makes it a different tuck doesn't it?

MikeThomas

With the stage IV im hitting 32 with 3.5 turns of the fun threads so that sounds pretty good. Now you can beef up that left leg of yours!

Bob Beauchaine

Sounds about right to me. I see a max of 38 PSI with my boost elbow closed and on the dyno. I rarely hit 30 PSI in day to day driving. I just don't have to get on it that hard.

Bob

Cowboy_Customs

Thats normal. I ran 37 PSI with the wastegate not hooked up with my settings.

Oldschooldodge

I've seen 42 psi before, but usually see about 38 psi with the boost elbow slightly cracked.

okiesmartguy

What #'s areseen with a hx35 with 18.5 cm and the fuel screw turned to the lock collar, and the timing bumped on an auto? i only see 20-24ish at wot, and a slightly signifigant haze.

wannadiesel

That sounds about right. Your large exhaust housing is why your numbers are so low compared to Randy's.

okiesmartguy

Do you think it would be worth my ime to go smaller, and how small would you suggest going?

rbrettctd

A smaller housing will spool faster. I replaced my 18.5 with a 16 before I got on DTR, otherwise probably wouldnt have. The Hx I got came with a 14, so I just used that one. I couldnt tell you the difference from 16 to 14 as theyre behind diff turbos, but I did notice a minimal difference in the 18.5 to 16.