Jump to content
SAU Community

Recommended Posts

Hey guys.

Thinking of getting BOV just so i can hear the stupid atmo noise.

Few questions.

WHat are the main differences between the Blitz DD, Greddy Type R and the Greddy Type RS?

As far as i can tell they're all atmo, DD can hold upto 1.2bar, type r = 100-400hp and type rs = 280-450hp

WHAT THE HELL HP is my skyling and are these figures from the flywheel or the wheels?

And what do these soundlike?

Can't find any sound clips... :(

Which one do you guys recommend?

And why are these so darn expensive?

Thankls

Link to comment
https://www.sau.com.au/forums/topic/174518-bov-question/
Share on other sites

what skyline do you have? stock or modified?

search those bov in youtube and theres a few there you can watch

you might have stalling issues when you swap your stock to atmo bov

it's lightly modded.

Why would it stall if i have an atmo bov?

Link to comment
https://www.sau.com.au/forums/topic/174518-bov-question/#findComment-3205025
Share on other sites

The stalling problem occurs on standard ECU's with the blow off valve venting to atmosphere instead of plumbing back in, ECU gets confused by and RPM drops stalling the car. I personally didn't have any problems like these but a lot of ppl do so just try your luck. Do a search on stalling for atmo bov and learn a bit more about it if you get to worried.

Link to comment
https://www.sau.com.au/forums/topic/174518-bov-question/#findComment-3205037
Share on other sites

The stalling problem occurs on standard ECU's with the blow off valve venting to atmosphere instead of plumbing back in, ECU gets confused by and RPM drops stalling the car. I personally didn't have any problems like these but a lot of ppl do so just try your luck. Do a search on stalling for atmo bov and learn a bit more about it if you get to worried.

meh...

might just wait till i get the PFC and then tune it so it doesn't stall...

Link to comment
https://www.sau.com.au/forums/topic/174518-bov-question/#findComment-3205041
Share on other sites

A PFC wont necessarily fix the problem, as its more to do with the AFM than the ECU. If you have to wind the spring pressure up, then it defeats the point of having an atmo BOV, why not just block it off and stick a pod on it and enjoy the backspin noise, as that what most people are after, although you will still have the stalling issues

Link to comment
https://www.sau.com.au/forums/topic/174518-bov-question/#findComment-3205264
Share on other sites

A PFC wont necessarily fix the problem, as its more to do with the AFM than the ECU. If you have to wind the spring pressure up, then it defeats the point of having an atmo BOV, why not just block it off and stick a pod on it and enjoy the backspin noise, as that what most people are after, although you will still have the stalling issues

winding the spring pressure still allows the bov to do it's job. When bought the spring tension is very low and will stall. Increasing the spring tension still gives you the sound that he wants without compressor surge which is what you want to avoid

Link to comment
https://www.sau.com.au/forums/topic/174518-bov-question/#findComment-3205416
Share on other sites

i reckon the greddy rs is the best.. most expensive though! just make sure its tight enough so it doesnt leak at idle should be 'ok' but PFC will sort it out for sure.... but steal wheeled turbo and no bov = inviceable pidgin chopper... haha just get the rs me boy

Link to comment
https://www.sau.com.au/forums/topic/174518-bov-question/#findComment-3206537
Share on other sites

My friend had a Blitz DD on his car, then bought a Greddy type S to put on. Took me for a drive in it, and it sounded identical. After about a month of use it started to make a little whistle half way through the blow off that sounded allright. So my point is they pretty much sound the same :)

Link to comment
https://www.sau.com.au/forums/topic/174518-bov-question/#findComment-3218204
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


  • Similar Content

  • Latest Posts

    • Have a look at that (shitty) pic I posted. You can see AN -4 braided line coming to a -4 to 1/8 BSPT adapter, into a 1/8 BSPT T piece. The Haltech pressure sender is screwed into the long arm of the sender and factory sender (pre your pic) into the T side. You can also see the cable tie holding the whole contraption in place. Is it better than mounting the sender direct to your engine fitting......yes because it removes that vibration as the engine revs out 50 times every lap and that factory sender is pretty big. Is it necessary for you......well I've got no idea, I just don't like something important failing twice so over-engineer it to the moon!
    • Yup. You can get creative and make a sort of "bracket" with cable ties. Put 2 around the sender with a third passing underneath them strapped down against the sender. Then that third one is able to be passed through some hole at right angles to the orientation of the sender. Or some variation on the theme. Yes.... ummm, with caveats? I mean, the sender is BSP and you would likely have AN stuff on the hose, so yes, there would be the adapter you mention. But the block end will either be 1/8 NPT if that thread is still OK in there, or you can drill and tap it out to 1/4 BSP or NPT and use appropriate adapter there. As it stands, your mention of 1/8 BSPT male seems... wrong for the 1/8 NPT female it has to go into. The hose will be better, because even with the bush, the mass of the sender will be "hanging" off a hard threaded connection and will add some stress/strain to that. It might fail in the future. The hose eliminates almost all such risk - but adds in several more threaded connections to leak from! It really should be tapered, but it looks very long in that photo with no taper visible. If you have it in hand you should be able to see if it tapered or not. There technically is no possibility of a mechanical seal with a parallel male in a parallel female, so it is hard to believe that it is parallel male, but weirder things have happened. Maybe it's meant to seat on some surface when screwed in on the original installation? Anyway, at that thread size, parallel in parallel, with tape and goop, will seal just fine.
    • How do you propose I cable tie this: To something securely? Is it really just a case of finding a couple of holes and ziptying it there so it never goes flying or starts dangling around, more or less? Then run a 1/8 BSP Female to [hose adapter of choice?/AN?] and then the opposing fitting at the bush-into-oil-block end? being the hose-into-realistically likely a 1/8 BSPT male) Is this going to provide any real benefit over using a stainless/steel 1/4 to 1/8 BSPT reducing bush? I am making the assumption the OEM sender is BSPT not BSPP/BSP
    • I fashioned a ramp out of a couple of pieces of 140x35 lumber, to get the bumper up slightly, and then one of these is what I use
    • I wouldn't worry about dissimilar metal corrosion, should you just buy/make a steel replacement. There will be thread tape and sealant compound between the metals. The few little spots where they touch each other will be deep inside the joint, unable to get wet. And the alloy block is much much larger than a small steel fitting, so there is plenty of "sacrificial" capacity there. Any bush you put in there will be dissimilar anyway. Either steel or brass. Maybe stainless. All of them are different to the other parts in the chain. But what I said above still applies.
×
×
  • Create New...