11-blade billet wheels?

DRTurbo said:
Tell Chris to check his scales again . :pop:
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You know, he treats me good, his turbos do what he says there going to do, i'm happy, my customers are happy, so there's no reason for me to think he is lying. Plus i really don't care, it makes the power he tells me its going to make, that's all that matters to me. I'm just an old retired guy that has been in the turbo business for 27 years. I know a lot of people in the industry. I know Rick very well and he knows me. Rick makes a great product. Over the years i've worked on a lot of factory projects with Chris and i've got to know him so now that i have time to play he's my guy. Plus it helps he is only an hour away from me.
 
TURBOMOGUL said:
You know, he treats me good, his turbos do what he says there going to do, i'm happy, my customers are happy, so there's no reason for me to think he is lying. Plus i really don't care, it makes the power he tells me its going to make, that's all that matters to me. I'm just an old retired guy that has been in the turbo business for 27 years. I know a lot of people in the industry. I know Rick very well and he knows me. Rick makes a great product. Over the years i've worked on a lot of factory projects with Chris and i've got to know him so now that i have time to play he's my guy. Plus it helps he is only an hour away from me.
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No problem....was just picking with ya, no worries. Glad Chris is helping you out.
 
some good info in this thread so far nick!

with the amount of weight being lost and the smaller hub of these ETR and HPX wheels what kind of PR will the support?
 
94 12valve said:
some good info in this thread so far nick!

with the amount of weight being lost and the smaller hub of these ETR and HPX wheels what kind of PR will the support?
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5.0 to 5.5PR is achievable. Depending on the wheel you end up using.
 
Thekid760 said:
What about the 75s? How much would one gain by going with a billet S475 vs cast in Compounds? Is it worth the extra money?
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I would add to this question is the cost of the 11-blade wheel worth it if it limits you to the cheaper 96mm turbine in a 1.32 housing vs. going with a cast wheel 75mm and using the 74/83mm turbine in a 1.1 housing? There is no absolute answer on this but some feedback would be interesting. The 11-blade wheel is indicated to spool faster but I can't see it being able to overcome the lag associated with the 96/1.32 turbine side. Ofcourse you could look into other turbines with the 11-blade wheel but then $$$ goes up above my $1200 ish primary budget. Ofcourse, not everyon will be constrained by a budget like mine.
 
Gonna give it a shot this is the 80x110 11 blade wheel

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Do these compressors operate more efficiently at high pressure ratios? I find little concern for the weight savings considering the turbine and shaft are much heavier. Also the said savings are near the center, reducing moment of inertia little.
 
I think it probably has to to with higher air flow at lower shaft speed rather than lower moment of inertia. I have ran gtx's in a few different applications, from what I have seen they just move more air per pound of boost compared to the more traditional designs. I am sure some of the more exotic billet wheels from precision, cds, harts, etc exude similar traits to the gtx style wheels....
 
straight 6 roar said:
Do these compressors operate more efficiently at high pressure ratios? I find little concern for the weight savings considering the turbine and shaft are much heavier. Also the said savings are near the center, reducing moment of inertia little.
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I believe their claim to fame is more air at higher pressure ratios. But, I have no experience with the chargers, yet.......:evil
 
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