New BW EFR Turbo Thread
#3856
#3858
#3859
#3860
Well I'll have the kit next week, but still won't have a motor to put it on yet, so you guys have a huge advantage in this race haha. Motor is in the queue at the machine shop. I still need to pick out cams and think about getting a new clutch before it all goes back together though.
#3862
Corrected SAE Dyno. T4 EWG 1.05 A/R 8374EFR
2.2L 4G64, 94mm crank, 159mm rods, 9:1 Wiseco HD's
Evo 9 Head - GSC S2's, Kiggly springs, Manley Valves, ForcedFed CNC head, Magnus IM
E77 Fuel (measured), 3.5" exhaust, Garrett 24x4x12 Intercooler
385kpa Peak tapers to 335kpa
Our dyno reads spot on with a Dynojet, 13% higher than a MD so ~640awhp on a MD
Video of me roll racing. Took second overall
2.2L 4G64, 94mm crank, 159mm rods, 9:1 Wiseco HD's
Evo 9 Head - GSC S2's, Kiggly springs, Manley Valves, ForcedFed CNC head, Magnus IM
E77 Fuel (measured), 3.5" exhaust, Garrett 24x4x12 Intercooler
385kpa Peak tapers to 335kpa
Our dyno reads spot on with a Dynojet, 13% higher than a MD so ~640awhp on a MD
Video of me roll racing. Took second overall
#3865
#3866
#3867
SO RESULTS!
E85 - 708hp - 24-25psi
91 - 450hp - 11psi
So, bright cyan line is the QSV completely open, dark blue and all the other pulls are with it closed until the boost target is reached.
The QSV itself seems to of gained around 5000rpm of spool, from 5500 to 5000rpm for 24~psi. What is most noticeable however is the additional torque throughout the ramp range. From 3800rpm it picks up around 20ftlbs of torque, at 4500, 40, 5000 90ft lbs. The spool is very soft feeling, it's not a huge kick in the pants like a twinscroll usually is. We didn't push past 24~ish psi because adding another psi only picked up around 14 or so hp and had to have timing pulled out. I'm thinking the relatively small turbine wheel (74mm, probably 65mm on the minor) combined with the 1.05AR housing is maxxed.
VTEC is engaged at 5000rpm and apparently didn't help much with spool up time at all. The other lines are the SOS GTX3582R kit. I defiantly think there is room for a better sized 67mm turbo with a larger turbine wheel.
My impressions with the EFR 9174 are actually kind of mediocre. It didn't really do as much as I was expecting. The spool is significantly later than anticipated, especially with a 11:1 CR and everything else into it. I'm also disappointed that I hit a "wall" at 700 with the turbine selection. I think a 9180 would of spooled the same but had more up top. My other option is a 1.45 housing, but honestly at this point I will probably keep it as it is and swap on a custom comp turbo when I swap in the built block.
E85 - 708hp - 24-25psi
91 - 450hp - 11psi
So, bright cyan line is the QSV completely open, dark blue and all the other pulls are with it closed until the boost target is reached.
The QSV itself seems to of gained around 5000rpm of spool, from 5500 to 5000rpm for 24~psi. What is most noticeable however is the additional torque throughout the ramp range. From 3800rpm it picks up around 20ftlbs of torque, at 4500, 40, 5000 90ft lbs. The spool is very soft feeling, it's not a huge kick in the pants like a twinscroll usually is. We didn't push past 24~ish psi because adding another psi only picked up around 14 or so hp and had to have timing pulled out. I'm thinking the relatively small turbine wheel (74mm, probably 65mm on the minor) combined with the 1.05AR housing is maxxed.
VTEC is engaged at 5000rpm and apparently didn't help much with spool up time at all. The other lines are the SOS GTX3582R kit. I defiantly think there is room for a better sized 67mm turbo with a larger turbine wheel.
My impressions with the EFR 9174 are actually kind of mediocre. It didn't really do as much as I was expecting. The spool is significantly later than anticipated, especially with a 11:1 CR and everything else into it. I'm also disappointed that I hit a "wall" at 700 with the turbine selection. I think a 9180 would of spooled the same but had more up top. My other option is a 1.45 housing, but honestly at this point I will probably keep it as it is and swap on a custom comp turbo when I swap in the built block.
#3868
#3870
Let's also keep in mind that x622 is using a T4 open manifold flange, then a quick spool valve in to a T4 twin scroll turbine housing......
I don't get how you though this was going to be the most responsive thing out there with this setup x622. I'll dig up some logs to post later tonight but my 9174 with the 1.45 EWG housing reaches 40+ psi around the same rpm yours reaches 24psi while making a hell of a lot more power.
I don't get how you though this was going to be the most responsive thing out there with this setup x622. I'll dig up some logs to post later tonight but my 9174 with the 1.45 EWG housing reaches 40+ psi around the same rpm yours reaches 24psi while making a hell of a lot more power.