Jump to content
SAU Community

Recommended Posts

hey mates I've noticed when I rev my rb20 up with no load, it doesn't make the same ''chhhhhh'' noise as it did before. stock bov, blitz sus intake, high flow exhaust. maybe because it's alot warmer out now? I was thinking maybe the actuaor is getting worn? thinking about getting an hks adjustable one, anyone know about those? cheers

Link to comment
https://www.sau.com.au/forums/topic/179077-worn-actuator-symptoms/
Share on other sites

Why would the actuator be activated when there is no load?

If there's no load, there's no boost, actuator should stay shut the whole time even if you do rev it up

Maybe your BOV is on it's way out?

THat's where the Chhhh is generated

Why would the actuator be activated when there is no load?

If there's no load, there's no boost, actuator should stay shut the whole time even if you do rev it up

Maybe your BOV is on it's way out?

THat's where the Chhhh is generated

ya the act. stays shut the whole time, good point thats out of the question. bov prob is prob wearing out, they do this?

If you "MUST" rev your car and make bov noise bryan Spillner stylez, you can do it.

but because there is no load, you need to do it in a weird way.

if you just plant your foot and release it probably won't do it.

if you rev, then release and as it comes down, rev again and release, it will give you the Fast and furious effect you are obviously after.

NOTE: this will not magically generate nos pergers out the front bar up broad minded persons skirts..

If you "MUST" rev your car and make bov noise bryan Spillner stylez, you can do it.

but because there is no load, you need to do it in a weird way.

if you just plant your foot and release it probably won't do it.

if you rev, then release and as it comes down, rev again and release, it will give you the Fast and furious effect you are obviously after.

NOTE: this will not magically generate nos pergers out the front bar up broad minded persons skirts..

haha mate ! thats brilliant! :laughing-smiley-014:

haha good one. It just sounds a little different in hot hot weather, not after any fast and furious mumbo jumbo, as people hear the slow wine of the rb20s turbo at around 2-3k. (blitz intake sus lm helps with turbo noise) sounds like sex! damn shes a loud one

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


  • Similar Content

  • Latest Posts

    • So I'll put filler past the repair area a bit to make sure I don't miss anything. Then I'll block it until it's almost level, put the guidecoat, then keep blocking until it's gone. Then it's still wavy.  In regards to hitting the panel, I saw this video might give more context - Skip to 0:47 he knocks it down. But yeah I'm sanding until the guidecoat is gone then checking because otherwise my filler is still well above the bodyline. Unless what you're saying is I should put guidecoat around it early, surrounding the filler then stip once it's gone?
    • I refreshed the OEM injectors with the kit and connected it up. It now ideals okay even with the IACV removed. Driving still has the same cutoff issue like the 550cc injectors so the issue is somewhere else. I bought FPG's Fuel Pump Hanger. I will be installing it next, but it is not as straightforward as I thought it was with my limited wiring knowledge and no instruction on the specific model I purchased (FPG-089). I also got the incorrect billet clamp as I could not find info on the OEM sizing.
    • Stop looking at the garage floor, and turn the radio up a bit louder if there's any strange noises...
    • No. Turbo shuffle and surge/flutter are not the same thing. Specifically, on a GTR, turbo shuffle has a definite meaning. On a GTR, the twin turbos are assumed to be the same thing and to operate the same way, exactly. In reality, they do not. Their exhaust sides are fed and exhaust a little differently, to each other. Their inlet sides are fed and exhausted a little differently, to each other. Consequently, when they are "working" they are often at slightly different points on the compressor map compared to each other. What this means, particularly when coming on boost, is that one of them will spool up and start producing extra flow compared to the other, which will put back pressure on that other compressor, which will push the operating point on that other compressor up (vertically). This will generally result in it bumping up against the surge line on the map, but even if it doesn't, it upsets the compressor and you get this surging shuffle back and forth between them That is "turbo shuffle" on a GTR. It is related to other flutter effects heard on other turbo systems, but it is a particular feature of the somewhat crappy outlet piping arrangement on RB26s. There are plenty of mods that have been attempted with varying levels of success. People have ground out and/or welded more material into the twin turbo pipe to try to prevent it. Extending the divider inside it works, removing material doesn't. There are aftermarket replacement twin turbo pipes available, and these exist pretty mush purely because of this shuffle problem.
    • You can temporarily* use lock collars to keep it in place until you can do the bushes, back the nuts off, slide them in, snug back up. *temporarily is often for ever
×
×
  • Create New...