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They had stacks before stacks were cool, :p :cool:

I bet if you tried a larger wheel, it would clear up a ton of that smoke. Best thing about Holsets, wheel are super easy to change out.

Not sure I'll actually try this, changed out my 56x86 for a cast 60x86 and its so much better, to take advantage of the 66mm I'd have to have my IP fuel curve changed, which I am not interested in doing.

Are you measuring drive pressures? Out of all the compressor wheels I've tried, the stock cast 60x86 has been the best, cleaned up all my smoke and off idle, tons of power. I haven't really revved it out yet as my engine is making some weird noises and need it to last a few more months. The...

So, unless I read wrong, insulating the pre cup, IE coating it, is a bad idea!

Interesting, if you look at Heath's land racer, he coated everything EXCEPT the precup, wonder why?

If you wanna visit, I can time it for you, lol. :p

I don't think air matters in the injector return lines, just if you see it at the IP, then that's bad.

Too bad you weren't closer, I have a Tech 2.

Why did you move the IP? Great job getting her back together and kudo's on the wife for helping. :cool:

Yes and no. I gave up too much down low and midrange but up top, it would let my engine rev like a 2 stroke. I didn't check DP readings so that might have something to do with it. A DSM Holset guru told me that wheel is a high pressure wheel meaning it needs to see 30+ psi to really wake it up...

Where are they for sale?

There is only one version of the P400, then you have the Optimizer which isn't even close to a P400.

The cutout is probably for windage. Fracture caps, wow, that's pretty techy for our engines, lol.

This is the lowdown on the GEP, its no longer cast by Navistar. I am waiting to hear back to see if there are other markings to make sure its a GEP over a chinese casting.

I used Permatex thread sealant and my last oil analysis said I had coolant in the oil? I just checked the bearings, mains were good, rods weren't that bad considering they weren't that bad when I put the turbo on almost 2 years ago. They had lost their crush so I replaced them anyhow. When I...

I went 125 ft/lbs based on another members recomondation, I too thought 90 seemed way too low.

Stop it, I can't get any work done and I can't stop drooling. :mad: :p

The P400 are solid, the Optimizer is supposed to be dotted. Ted's has a brand new Optimizer they say is legit but it has solid lines but no Navistar symbol. I emailed GEP to see what they have to say.

The dots still exist AFAIK, the only lined version you mention is on Ted's and we think that's not a real GEP. Never heard of any GEP having first year issues, they were fixed from day one of the retool. Oil passages or cooling issues, didn't hear that one either, have to go digging, :( Still...