My setup
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My setup
Check it out
1995 Civic Hatch
D15B7
IHI RHB5 (Stock 8psi)
HF Manifold w/ Adapter Plate
Downpipe
Rubber Hoses & Clamps
Probe Intercooler
DSM Fuel Pump
DSM BOV
BBK FMU
Check Valves
Oil Feed/Return Lines
Vacuum Lines
2.5" Exhaust
DynoMax Turbo Muffler
Bosch Spark Wires
NGK Spark Plugs
On 8psi, do i need to hook up the check valves?
Anybody here with a d15b7/RHB5?
My motor dies out around 6100RPM so i think this turbo should hold all the way.
1995 Civic Hatch
D15B7
IHI RHB5 (Stock 8psi)
HF Manifold w/ Adapter Plate
Downpipe
Rubber Hoses & Clamps
Probe Intercooler
DSM Fuel Pump
DSM BOV
BBK FMU
Check Valves
Oil Feed/Return Lines
Vacuum Lines
2.5" Exhaust
DynoMax Turbo Muffler
Bosch Spark Wires
NGK Spark Plugs
On 8psi, do i need to hook up the check valves?
Anybody here with a d15b7/RHB5?
My motor dies out around 6100RPM so i think this turbo should hold all the way.
Administrator
Joined: Dec 2002
Posts: 13,988
Re:My setup
Thats actually pretty normal for that type of setup, the RHB5 stops pulling right at 6000rpms. Possible some head work, larger cam, and bigger DP will help this out a bit.
Check valves are going to be a must, I'd start with 2 first and see how it goes, do a pull in 3rd gear with a heavy load (meaning start low at like 2000 rpms all the way up) and see if the light comes on.
Sounds good though, post some pics!
Jeff
Check valves are going to be a must, I'd start with 2 first and see how it goes, do a pull in 3rd gear with a heavy load (meaning start low at like 2000 rpms all the way up) and see if the light comes on.
Sounds good though, post some pics!
Jeff
1.0 BAR
Joined: Jan 2003
Posts: 422
Re:My setup
couldnt his car be going into limp mode at 6k? if he has no checkvalves currently?
sounds like he meant it dies abruptly, not just the turbo stops being efficient, or stops boosting at max.
correct me if i'm wrong.
sounds like he meant it dies abruptly, not just the turbo stops being efficient, or stops boosting at max.
correct me if i'm wrong.
0.0 BAR
Joined: Jun 2003
Posts: 0
Re:My setup
yeah rumor has it that 8psi is the magic number without check valves. I never ran a car without check valves or had a setup that needed it. My friend's GSR he used to be able to unplug his MAP sensor and not throw a CEL. His excuse was that the ECU 'learns' and adapts. This car did run a 13.0 and is now sitting in his front yard with a nice rod through the block. 
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