Hanaldo

Leak down test is similar to a compression test, but it measures pressure loss instead of pressure. What they do is remove all the spark plugs, screw in a threaded coupling attached to a leakage gauge, and then feed about 80-90psi of compressed air into the cylinder. Any more than 30% leakage and you have a problem. Leak down tests also make it alot easier to diagnose what the problem is, as Daniel pointed out. For example if you can hear the air coming out of the throttle body that would indicate a leaky intake valve. Or if a cylinder has poor compression but minimal leakage, that would usually indicate a valve-train problem, such as a collapsed lifter or worn cam lobe, etc.

I believe they are planning on it. Two of my team members will have their own cars by then and will be members of WCC, so i imagine they will be taking part

That would be great man, thanks

Anyone?

You've got a chance of winning this time Jess, i won't be competing

If your battery is too flat to start the car, you will need far more than a 15 minute drive to charge it

Definitely get involved in this guys, i took part in the last one and it was an absolute blast, one of the funnest events i have been a part of. Very well organised too, good on ya Tritty

Hey guys, Tried posting this in the general WA section but didn't get much help there, thought i'd try here Anyway, here is my problem: I am wanting to get braided brake lines for my R34, but i don't know what lines i need. My car has R33 GTST brake calipers, so naturally i would assume i need a kit for an R33 GTST? But then i don't know if R34's have different lines, and i have no idea if the previous owner used the NA R34 brake lines, or changed them when they installed the GTST calipers. The company i am buying from makes kits for R32/33 GTST's and R34 GTT's. So my question is: What kit do i need? What are the measurements of the NA R34 brake lines? Basically what the hell do i need lol Thanks for any help guys, much appreciated. Cheers, Martin

He got bored He gets bored easily... Not even 18 and he has owned (correct me if i'm wrong James, i may have lost count ) 7 cars, all of them great cars! Including R33 GTR, very nice V8 BMW (sold in less than 2 months ), Porsche, insane R32 GTR... Now selling the 32 lol. James you pick a car

Dude, easily solved, buy James' Sparco wheels

Yeh true, i was more referring to shaft play. Although could overboosting not weaken the compressor wheel? Lol... in any case, flutter = bad

Fair enough, welcome to the club of uni Skyline owners No doubt 34 stockies (painted black) are great looking wheels, i want some for track wheels so i don't chew my street tyres But hard to get hold of

That's the thing, it can't be proven beyond any shadow of a doubt. Personally i accept what evidence there is (eg. what you said above ^) as flutter is bad and causes damage. But as far as firm concrete evidence is concerned, there are plenty of stock turbos out there fluttering away happily. I forget what magazine it was in, pretty sure it was HPI because that's what i read most, but there was an article in there about testing done on a stock RB25 turbo where they literally fluttered it to death, and yes the blades blew sky high. But the final verdict was that the result was not conclusive because there were too many other factors. The turbo had already travelled 120xxxkms, and who knows how hard it had been pushed or how poorly it had been looked after. The fact that the wheel blew under flutter could simply be an indication that it was already damaged.

Does it have to be stockies? Why don't you just get some good wheels? Or just some hell cheap things to fit on there until you get some good wheels? Cos 34 stockies go very very quickly when they pop up... might be hard to get a hold of some quickly

It would be very hard to prove that compressor surge was the reason for any turbo failure, hence there is no actual evidence to demonstrate that. I know people that are running 12-14psi through ceramic turbos with no bov, and have been for years, yet their turbos still have very little to no shaft play. On the other hand, my mechanic showed me a turbo that he had been running in his R33 GTS-T for 40xxxkms and never fluttered, the shaft had way too much play. Having said that, i am on your side, i believe it causes damage and should be avoided. I am just saying there is no physical evidence that can be solely contributed to compressor surge

Dude the thread you posted in the Wanted to Buy section is surely enough

I've heard that also ^ lol

Lol ^ There is no evidence that flutter damages your turbo, so it is hard to say how much if any damage it would be doing. Personally i think it does damage the turbo, but if you are worried about it then just remedy it with a good plumb back bov

Dont even bother doing that, not worth it. When my mates car was written off he had a sound system worth about 3 times as much as the car, we just ripped it out and left the car with nothing. Insurance didn't care at all, they just auction it off to one of their wrecking companies and it gets scrapped.

Surely more than that, GTT rims are worth about that much

+1 for O2 sensor, mate of mine had the same problem. Also wouldn't waste your time and money with octane booster... Just fouls your plugs

Yeh i recommend doing a skidpan day in the wet as well, you really learn something about how your car handles in the wet.

Lol nice, sounds like you have it well under control.

Haha looks like great fun, i wish i lived close to those salt lakes Just be careful driving in the bush if you are cutting off the exhausts, starting bush fires isn't cool

Check KYP mate, i know they do nose cuts, not sure if they have any 34's in stock