Do 850cc x 4 support gt35 @ 15 psi?
11-25-09, 11:15 AM
#26
I`ve 4 x 850cc injectors, Denso (Supra TT pump) static 40 psi, B9EV leading - B10 EV trailing (gap .022) running 16/17 psi @ 10.8 stoich (9000 rpm) and made 402 RWHP for 4 years now
So you should be fine!
Its an Auto, so if you`re manual you could probably get more power out of it.
So you should be fine!
Its an Auto, so if you`re manual you could probably get more power out of it.
12-03-09, 09:59 AM
#27
dominican boost junkie
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429@15psi with stock fuel pressure!! Just get a denso pump and a rewired job. If a FPR @ 40psi i think i could managed 450whp. All this with 850ccX4. yes it can be done
12-03-09, 12:55 PM
#28
Racing Rotary Since 1983
iTrader: (6)
here's how i see it:
a GT35r makes 56 pounds per minute tops at one bar.
at 11.3 AFR that would be 4.955 pounds per minute of gasoline.
that's .7742 of a gallon or 2931 CC/Min.
4 X 850 = 3400
so you should be at 86% duty cycle.
hpwise: 56 pounds per minute times 14.471 = 810 CFM/1.92 = 422 max rotary rwhp target.
hc
a GT35r makes 56 pounds per minute tops at one bar.
at 11.3 AFR that would be 4.955 pounds per minute of gasoline.
that's .7742 of a gallon or 2931 CC/Min.
4 X 850 = 3400
so you should be at 86% duty cycle.
hpwise: 56 pounds per minute times 14.471 = 810 CFM/1.92 = 422 max rotary rwhp target.
hc
12-03-09, 01:43 PM
#29
I've made 450hp at 15psi with a good SP motor and GT35R. But on average you should be in the 400~425hp range with 15psi. 4 -- 850's should be enough but probably just barely...
I would raise the Fuel Pressure to somewhere around 50~60psi.
I would raise the Fuel Pressure to somewhere around 50~60psi.
12-03-09, 09:30 PM
#31
Well that is true, but he should know when the injectors are close to being maxed out. Most all standalones report duty cycles. And generally as a rule you work your way up in boost levels and power so provided he pays attention to his injectors he'll be fine.
02-05-12, 06:47 PM
#32
My turbonetics T-62 spooled up at the same time as the secondary Turbo does with 850x4 set at a 80% duty cycle no port, with a wallbro 255. It wanted to go past 15psi the piece of crap stock pressure sensor wouldn't allow it.Smh... 19psi my ***. Well while was on my way to install my 3bar, I crashed. But yeah the stock sensor was cutting me at around 4k-4.5k. But now, I'm going fora smaller hot side gt35 by cx racing. Same injectors and aeromotive 340. But I don't want more than 17 pounds though.
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