Jump to content
SAU Community

My Boost Is Droping Off At About 5500 To 6000 Thousand Revs

r33.93

By r33.93,
in Engines & Forced Induction

 Share

Recommended Posts

r33.93 Apprentice

r33.93

Posted
Posted

hey guys as i said my boost is droping off at about 5.5k revs not sure what its doing it say its like 10 psi then says it goes up to 12 but no more power its like its not giving me any more at all not sure what the problem is if anyone can help that would be great as im not sure

cheers jake

Link to comment
Share on other sites
vin diesel Rookie

vin diesel

Posted
Posted
hey guys as i said my boost is droping off at about 5.5k revs not sure what its doing it say its like 10 psi then says it goes up to 12 but no more power its like its not giving me any more at all not sure what the problem is if anyone can help that would be great as im not sure

cheers jake

did you change anything before it started doing this or has it always happened?

Link to comment
Share on other sites
James_03 Mentor

James_03

Posted
Posted (edited)
nah i havnt changed anythin standard rb25 with standard hi flo turbo not running nos

"Hi Flo" turbo's are not standard, and he was making a point about you not posting the specs on the motor, he wasn't really asking if you had nos.

Let me guess standard ECU?

Cmon yall know it will be..

Edited by James_03
Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing


  • Latest Posts

    • OO Dan OO
      Nismo 1.5 way Stub axle issue

      By OO Dan OO · Posted

      I have recently fitted a Nismo GT Pro Center second Hand buy still in the box i got stubs with it but they are 5 bolt and I need 6 (3x2) I was told by Just Jap that for a 4:36 ratio the stub axles are equal length sku 38220-0V161. They didn't have any in stock but I picked up the ones pictured. The one with 5 bolt are the ones that came with the LSD. The right side went in no issues but the right....I have happened the fk out of it put it in a press and it still sticks out about 5mm too far. It was sticking out about 25mm but after bashing it like Chris Brown did to Rhianna I managed to get it a bit further in but seems stuck again now. Any ideas? Should I just leave it 5mm out and send it?        
    • GTSBoy
      Fake ARP bolts?

      By GTSBoy · Posted

      Meh. I "see" a typo above, that should have been "sell".
    • joshuaho96
      Nismo copper mix twin “pull” pedal height engagement

      By joshuaho96 · Posted

      The clutch pedal has a procedure for adjustment. This can only be done after you are 100% sure the system is absolutely free of air bubbles. You must bleed the clutch master cylinder first, then the "separation pipe" which is the clutch damper line, then the operating cylinder as detailed in the service manual. Also, you must fully depress the clutch pedal between shifts. Just because you can't feel it grabbing does not mean the input shaft is truly decoupled from the crank. At high RPM clutch plates are vibrating and moving around, you need to give it the best possible chance of success. On the BCNR33 Nissan revises these adjustment procedures slightly but not by much: I would be careful with trying to play games with these adjustments. As for the Nismo operating cylinder they say a lot of things. In practice the twin plate clutch needs less movement on the clutch fork to disengage because the whole stackup of the flywheel + friction plates + pressure plate is much taller. Personally if you find that the clutch still disengages too high at the top of the travel I would try the Nismo operating cylinder. Make sure to follow the air bleed procedures. 
    • 25RBGT
      Got this r31 silhouette flood car to rebuild.

      By 25RBGT · Posted

      Thank you for the links. I’m going to go with the 6pin plug you used. next step is rust treating re painting dash support bar and steering column then the 6pin cradle plug when it arrives in the mail.
    • soviet_merlin
      Nismo copper mix twin “pull” pedal height engagement

      By soviet_merlin · Posted

      I don't how much the car makes a difference or whether it is just a question of gearbox and clutch. On mine it's fine. Pull type Nismo coppermix twin (standard, not competition) on the 5 speed in my Stagea. OEM slave cylinder. Bite point is a few cm off the very bottom of the pedal. Clutch pedal all the way down to put in gear, and when heading off at the lights, there's a tiny bit of nothing and then it starts biting. And fully engaged before the pedal is all the way released. There's a bit of play at the top where the pedal does nothing anymore. Are you in Australia @ck_chino? If you are set on using a Nismo slave cylinder I have one new-in-box at home. Ordered it together with the clutch but didn't get it fitted. We can work something out if you want it
×
×
  • Create New...