Ultimategtr

f**king retards. Go f**k yourselves. Im not comin on here anymore.. f**k YOU MOTHERf**kERS.

Shut the f**k up mafia.

Correct.. which I do. Thanks heaps for the input so far guys. I will chuck on another bov this week and see how it goes.

Cheers mate for the suggestions. I understand people are trying to help, but its some dim witted people and their responses which usually derail a thread. Exhaust is a 3.5 Tomei Dump, Front, and a full 3.5~ inch catback with a 5inch tip, so the exhaust isnt restricting flow at all. Using an R32 actuator(10psi). Cant remember the specs of the turbo wheels. Doh - the rubber hose MIGHT just be the issue too.. I already have a alloy metal intake pipe sitting at home. The story is - I havent put it on, as I will need to remove the recirc piping, which is connected to the top of cam covers, and for that hose to come off, I will need a catch can. I will change the bov and install the metal pipe this weekend, and will get a catch can too, that should fix it.

At what point do I seem ignorant? I'm sorry if seem ignorant, but I was just stating what I was experiencing. I dont appreciate being called a fool, so careful with your words mate.

I see what you mean. Im saying that it didnt happen before. I had it tuned in January, and it didnt do this before. I got the tuner to test drive it as well and he said no issues at all. Ah well, I'm going to start by the cheapest option - Replacing a turbo isnt that cheap, lol, but hey, you might be right..only one way to find out eh? Cheers for you guys help so far!!

I dont see how the turbo might be the issue. Actually, I dont believe that for a second, however thanks for pointing that out. If it was the turbo, it would have been obvious on the dyno, when it was being tuned. This started a few weeks after that really. I turned the boost down to 14, and it was better, but still happened, not as bad as before. I will hunt for a replacement bov. Thanks!!

Turbo is surging.. please explain?

Thanks Kiwi! I just might take you up on that offer, for the one. Give me a week to have a play around. I'll see if I can borrow my mates to test. My turbo is rated @ 300kw, and is a hybrid by steve murch. Im using a Gizzmo MS-IBC. I did use the onboard link boost control, but I decided to switch back to the gizzmo as I had probs with boost(was caused by the actuator not opening). I do plan to go back to the Link Boost control though, will need to get soichi to set it up, needs another dyno run though. My bov currently is recirculated back - mainly because I will need a catch can, which is something I havent bought yet, if that makes sense. I have checked ALL the vac hosing, its fully tight.

Hi All, I dont drive my car often, maybe once a week, if that, and its only short runs. Today I noticed a much more flutter sound on high boost. On Low, 10psi, hi 16psi. Car's been tuned with a Link G4 for up to 18psi but I've decided to run around 16. Usually, while on high boost, I would notice a slight flutter.. to me, it sounded like a leaky bov. Today, I drove it and it was MUCH louder.. to the point that my boost gauge was jumping between 15-18psi when under load(WOT). My question is - HOW do you tell if your BOV is leaking? is there any telltale signs?? The stocker is always open at Idle, and under boost, it is shut by the boost.. so I dont see how it is leaking. I dont think its my boost controller/spike/creep, but I have turned the boost down(pointless though). I want it to hold 16psi solid. Any help would be muchly appreciated

Not much on the stock injectors. Around 230kw on the stock injectors before they dip into the danger zone.

Traction button? Nah, I have the MS-IBC, with only 2 buttons. I need up grade my tires now, lol.

No, not a stock turbo. Using a 10psi R32 actuator. Issue seems to be resolved. I tried open loop - no go. Increased the Gain to 35. Will fine tune it later on, but it seems to be okay and holds 15psi through 1,2,3rd(Couldnt go higher as traction/public roads). Have my DC set to 55. Car is tuned to 1.1 bar, but thought Id set it to 15psi instead of 17. With high boost I need to upshift very quickly as it gets to the limiter in a hurry, lol.

Hmm.. havent tried open loop. Guess I could try that out, thanks! Hmm, I did have gain up as well. I will go for a drive and test upping the gain to around the same as DC. If that doesnt work, I'll try open loop mode. What a weird issue eh? Thanks for the help so far guys.

Hey, I decided to hook up the ebc after a long time(was using link boost control instead). Setting 1 set to 10 psi - DC - 20, Gain - 0 Setting 2 set to 17 psi - DC - 55, Gain - 0 Spike protection set to 0 - Running in closed loop. Not using Overboost etc or any other features that I know of. Problem - High boost will drop to 10psi or so in higher gears. Eg, Take off in 1st - 17psi.. 2nd, 3rd on wards I only see 10~psi. What am I doing wrong? btw, not a factory turbo and setup. I'll go for another drive today to confirm the above, but from my drive the other day that's what I noticed.