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Why do you guys sit around and eat donuts all day long? Pigs.

Yes. Sounds like you'll need that bearing housing rebuilt or a new one now though. I believe you have been chasing a balancing problem all the while now. Even more so now that you stated you have seen eveidence of thrust comingfrom the turbing. ---------- Post added at 11:37 PM ----------...

Have you listened to nothing I have said or typed? Really? You think I hit these plastic buttons for fun? And no, the water cooling will do nothing to solve the problem you're having.

For now, a bosch bov.

Nice job!

First, we need to see where it is mounted, how it is mounted, and how the vacuum line is ran to the bov.

Need more info Billy.

Looks good man. Come to the Indy meet this year, you're not that far away.

I think I'll wait for DVD

And you didn't drag the entire thing home why?

First, we need some info. -Size of feed line -Oil pressure -Size of return line -Picture of return line setup -Picture of PCV system -Check turbo for shaft play -What manifold is turbo on

Looks good so far. Keep up the good work!

Why is the sky blue. How high is too high. How low is too slow? (Get my drift?)

The Holset turbos use a "gate" of sorts that resembles a cone. It rises and falls in height to control the turbine speed, rather controlling veins. I think Holset calls it a nozzle.

Your best bet then is to have the turbine balanced and then the compressor wheel balanced. You're still dealing with an unbalance issue when / if you used the old nut or even a new one. Heins systems are great for stock matchup parts. A 57 trim to4e wheel with a p trim turbine for example...

That's actually common practice for a lot of builders here in the states Ian. I always used a magic marker / permanent marker.

Dollars to doughnuts he's using a Heins balancing system. That system can not compensate for a hybrid setup (compressor wheel VS turbine). This most likely is the problem.

Yes. That is static balancing, or some call it a "rotating assembly balance." You can doubt me all you want, but you will not get the turbo charger to run properly with that balance. The unit HAS to be VSR balanced or no dice. The only other way around it is to balance each of the parts...

Looks like a typical 3" vband flange to me?

If you're sure it's not an oil feed issue from the engine, I can tell you 100% right now its the balance. Mitsu turbos and the small frames as such (IHI, Mitsu, Garrett) are impossible to hand balance as you have described. I've had rotating assemblies balanced to minuscule amounts before, only...