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  1. #1
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    4 out of 4 members liked this post. Yes Reputation No

    Quick Vargas Turbo Update Stage 1/2

    Just wanted to keep you guys in the loop on what is going on. I have decided to add a few more upgrades to our turbos and am having the wheels cast and the parts manufactured as of right now. The differences are, for the turbine wheel, after talking with quite a few people including some people at BW I have decided to go with a full back turbine wheel as found in the EFR turbos by BW. I am having one custom cast to my specs to fit these turbos. I am also upgrading both piston rings turbine and compressor side with step gap piston rings, as well as increasing the width of the compressor side piston ring to help curb the oiling issues these turbos have. Stock Compressor side piston ring is .8mm, TD04(RB) piston ring is .95mm we are using a custom 1.1mm piston ring with the step gap design to help stop the oiling issues. These are just small upgrades nothing ground breaking I have decided to include in our turbos to make them as efficient and to give them as much longevity as possible so you guys can have a great product.

    Small quote from BW on the benefits of a full back wheel "The fullback wheel hubs employ a full aerodynamic back-disk, meaning that the hubline extends all the way to the inlet tip. This feature allows for incredibly smooth (low energy loss) guidance of exhaust flow out of the housing and into the blade channels."

    Here is what a fullback turbine wheel looks like.
    Attachment 21629



    Also if you do know what a step gap piston ring is here is a picture. Basically a standard piston ring butts up against it self to seal but still has a gap for oil to escape through. The Step gap closes more completely and is used in almost all industrial applications because of its ability to better control oil. There is NO solution to keeping all oiling issue sin check but these small steps will help in the battle. These are for Stage 1/2. Stage 3's are Garrett turbos
    Last edited by Tony@VargasTurboTech; 10-15-2012 at 02:25 PM.

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    So, is this a Stage 3 change or will this cover Stages 1 & 2? If it covers 1 & 2, is the price affected at all? I know you have not "nailed down" pricing yet but I am sure potential customers will want to know if this will change your estimates.

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    These look like Step 1&2 upgrades. S3's are new twinz Click here to enlarge
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    LOL RobBeck is already banned from this thread.

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    Click here to enlarge Originally Posted by bmw>benz Click here to enlarge
    LOL RobBeck is already banned from this thread.
    Thsi is true but honestly I have nothing against Rob as I have stated in the past. I just never know what mood he is going to be in. I've got too much on my plate right now to deal with trolls, and flaming when I am just trying to help.

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    good stuff tony!! happy to see these kinds of updates/upgrades
    Last edited by jpsimon; 10-15-2012 at 12:19 PM.
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    curious how much these upgrades affect final cost...but great job nonetheless Tony...and thanks for all the updates!

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    Click here to enlarge Originally Posted by uniter Click here to enlarge
    These look like Step 1&2 upgrades. S3's are new twinz Click here to enlarge
    Wasnt sure if he was pulling apart the GTX's and changing these things at well.

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    Click here to enlarge Originally Posted by import36 Click here to enlarge
    curious how much these upgrades affect final cost...but great job nonetheless Tony...and thanks for all the updates!
    As of right now final cost isn't effected at all. Price will remain the same. My logic sucks. You get more, you pay the same. Click here to enlarge Haha

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    Click here to enlarge Originally Posted by ATP Click here to enlarge
    Wasnt sure if he was pulling apart the GTX's and changing these things at well.
    He clarified on the other forum that its for S1/2.

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    Tony, shot you an email about another possible upgrade. Let me know your thoughts!
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    Glad you came back with a very sweet upgrade, it was worth the wait!

    Oh and Dzenno knows a lot about that "step gap piston ring" lol @dzenno
    Last edited by farbmw; 10-15-2012 at 01:20 PM.

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    Click here to enlarge Originally Posted by jpsimon Click here to enlarge
    Tony, shot you an email about another possible upgrade. Let me know your thoughts!
    Didn't receive any emails from you Jonah. Try it again

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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    Thsi is true but honestly I have nothing against Rob as I have stated in the past. I just never know what mood he is going to be in. I've got too much on my plate right now to deal with trolls, and flaming when I am just trying to help.
    I completely agree. Its about time. He $#@!es more than a menstrating girlfriend.

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    I prob wont ever ban anyone from a discussion again. Now that I think about it. Its kinda lame. I am always open to feedback whether positive or negative. I think I just got back to the shop this am and was overwhelmed after being gone for 3 days and didn't want to deal with negativity.

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    Nice update Tony
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    1 out of 2 members liked this post. Yes Reputation No
    Lol @ Rob being banned.

    Good luck with the project Tony.

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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    Didn't receive any emails from you Jonah. Try it again
    just sent it again
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    Nice, those EFR turbines are super light weight. Will have very nice spool using that. Pretty funny how you stated it, you get more but still pay the same. That is something I look forward to seeing when the process is done. So the EFR turbine will only be used on stage 1/2 as stated by others yes?
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    Click here to enlarge Originally Posted by farbmw Click here to enlarge
    Oh and Dzenno knows a lot about that "step gap piston ring" lol @dzenno
    Ah yes, its called the RECTANGRING Click here to enlarge also used as the camshaft vanos seals in the past by bmw...no longer the case though as they've switched over to single piece plastic instead of metal
    Click here to enlarge

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    Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
    Nice, those EFR turbines are super light weight. Will have very nice spool using that. Pretty funny how you stated it, you get more but still pay the same. That is something I look forward to seeing when the process is done. So the EFR turbine will only be used on stage 1/2 as stated by others yes?
    To be SUPER clear these are NOT the Ceramic Ti wheels they use in the EFR's. These are custom wheels that use the more efficient "Fullback" design. I am having these pieces custom made they are NOT BW EFR wheels. I simply used the BW EFR as an example of the fullback design.

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    Very nice! Stage 2s should be a worthwhile upgrade.

    I have some road experience in the RB turbos, will be nice to see how these stack up.

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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    To be SUPER clear these are NOT the Ceramic Ti wheels they use in the EFR's. These are custom wheels that use the more efficient "Fullback" design. I am having these pieces custom made they are NOT BW EFR wheels. I simply used the BW EFR as an example of the fullback design.
    Ahh sorry, I should have reread. It's clear up in the first. I must have been half awake this morning when I read it.
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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    I prob wont ever ban anyone from a discussion again. Now that I think about it. Its kinda lame. I am always open to feedback whether positive or negative. I think I just got back to the shop this am and was overwhelmed after being gone for 3 days and didn't want to deal with negativity.
    It's your decision and however you want to utilize it. If I were you, I would remove Rob as well.

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    Anthony, with this latest development any estimate on when the Stage 2s will ship to us beta testers?
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