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Thread: Update

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    Update

    Ok, first thing I want to do is talk about the slight restructure of the stages. Nothing big but with some thought, inspection and input from a then friendly RB and others. I am going to change things slightly and its really not going to effect anyone.

    We will now NOT offer any turbos for the N54 that do not upgrade the wastgate flapper, even our stock replacements will include the upgrade as honestly while some have very little wear and you may get a lot more miles out of them before rattle, problems, etc. It makes more sense to change them all. So what this means is.

    Stock replacement price goes from $799 for the pair to $1099 for the pair with wastegate upgrade and new actuators. You will also have the options with stock replacements to go with the upgraded TD04 thrust parts. Price for the option is $300

    There is now only one stage 1 upgrade that includes the wastegate upgrade which is now $1699 instead of $1799. Yes price went down. As with the rest you can opt for the upgraded TD04 thrust parts for the stage 1's. Upgraded thrust option is $300. Also we are having 5 sets of stock turbines clipped to 7 degrees and will be testing both in our test car to see if we see any gains between clipped and stock.

    For stage 2 the upgraded thrust option price has been finalized and is $300. The impregnated bearings and thrust samples are still being manufactured and once we have thoroughly tested them and are proven to do what we hope, these will be added as an option as well. If not, then they will be scrapped. Honestly we are trying to move forward and push the envelope of the stock housing hybrids and are not scared to break some parts to do so.

    Having the bracket that holds the rear intake tube on mass produced out of aluminum and will include one with every set of stock, stage 1, and stage 2 turbos at no cost.

    Stage 3, long block along with all parts is at fabricators and is being started on this week, had billet oil feeds made, and changed the size of the compressor housing from the big T04B to a smaller option which is better suited for this engine bay and flow needs.

    The flappers came in and I finally got back to the shop and was able to inspect them this am. While beautifully made, the specs were wrong. My vendor accidentally made them to the exact specs of the factory sample I sent them, not my specs. I am beefing them up, SO new samples need to be made for me to inspect. I was told a week to make the changes and put a sample in the mail. Disappointing but not devastating as we are waiting on other parts anyways. I also went with an investment cast stainless instead of billet, it costs more to start but it is easier to produce more later on once you get the molds made, and I am sure I will be needing more of these.

    I have included pictures of the upgraded thrust parts so you can see the differences in the thrust bearing itself and also in the size of the flinger, and thrust collar over the STD stuff. Also some pictures of all the housings getting ready to go out for machining as well as my billet oil feeds for the stage 3 kits, and flanges on long block.

    Timeframe still stands where it was last update. Early to mid Dec to receive stage 2 parts and Stage one wheels are supposed to ship in 2 days.

    Ok guys, thanks as always for the patience and interest. Feel free to send me any questions.

  2. #2
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    Tony

    Any guestimates of what level of boost each stage would be comfortable with?

    Or is it to early to speculate?
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    Click here to enlarge Originally Posted by Ak335i Click here to enlarge
    Tony

    Any guestimates of what level of boost each stage would be comfortable with?

    Or is it to early to speculate?
    The boost level ceiling is usually the tune and fuel, not the turbos. But for Stage 1's I would stay below 22psi except at peak for short durations and stage 2's should have no problem running 25psi at peak. But these levels are usually limited by tuning and fuel as I stated.

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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    The boost level ceiling is usually the tune and fuel, not the turbos. But for Stage 1's I would stay below 22psi except at peak for short durations and stage 2's should have no problem running 25psi at peak. But these levels are usually limited by tuning and fuel as I stated.
    Thanks, i fully understand its tune and fuel limited, reason i ask is just because the stock turbos dont seem to last too long at 18+ psi.

    So assuming fuel/tuning was not an issue to run around 20-21 psi the stage ones should be ok for a while? And stage two 22-24psi should be reasonable for at least decent longevity?
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    Wrong way of looking at it. X psi at redline is VERY different in terms of toll it takes on the turbos compared to X psi at 4k rpm..keep that in mind...smaller turbos works significantly less hard to hit higher boost levels in the lower RPMs so picture your boost curve hitting high down low and tapering it as RPMs go up
    Click here to enlarge

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    Click here to enlarge I dont expect or didnt mean to imply i want 20/21 psi or 22-24 psi at redline lol

    im talking peak down low numbers assuming a similar boost curve to the stockers
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    count me in for stage 1 at a minimum, depending on the final price/date of the stage 2s Click here to enlarge
    - Proven Power Tampa built 6466 ST -
    - N54 6AT WR 711whp 637wtq-
    -N54 WR 1/4mile trap: 133.57mph- -

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    This is all very exciting. Now if my stock turbos would just crap out, I'll have an excuse, uh I mean REASON, to upgrade Click here to enlarge
    James Muskopf
    RRT Racing
    2007 E92 335i/6MT Procede Rev3 w/PWM meth, otherwise stock
    E28 M5, R171 SLK320

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    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    Wrong way of looking at it. X psi at redline is VERY different in terms of toll it takes on the turbos compared to X psi at 4k rpm..keep that in mind...smaller turbos works significantly less hard to hit higher boost levels in the lower RPMs so picture your boost curve hitting high down low and tapering it as RPMs go up
    +1, I was also talking peak numbers. Most common causes for turbo failure are over speed (which is what we are talking about), dirty oil / oil starvation, and surging. Assuming nothing gets sucked in the intake tract.

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    Until we have a compressor map we won't really be able to say tbh. Any estimate on how much more the housings can flow though? That would be a good rough estimate of how much more air you could jam e.g. how much more power assuming we aren't octane limited (which with E85 or meth you really shouldn't be).

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    Click here to enlarge Originally Posted by rudypoochris Click here to enlarge
    Until we have a compressor map we won't really be able to say tbh. Any estimate on how much more the housings can flow though? That would be a good rough estimate of how much more air you could jam e.g. how much more power assuming we aren't octane limited (which with E85 or meth you really shouldn't be).
    14T and 15T compressor maps are available online. I am going to leave the speculating to you guys until we get some turbos on a car and do some testing. Not getting caught up in it, learned my lesson before.

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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    14T and 15T compressor maps are available online. I am going to leave the speculating to you guys until we get some turbos on a car and do some testing. Not getting caught up in it, learned my lesson before.
    Fair enough. :-)

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    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    Wrong way of looking at it. X psi at redline is VERY different in terms of toll it takes on the turbos compared to X psi at 4k rpm..keep that in mind...smaller turbos works significantly less hard to hit higher boost levels in the lower RPMs so picture your boost curve hitting high down low and tapering it as RPMs go up
    +1 what is why this guy is going to tune the STAGE II's!Click here to enlarge

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    Ok im a bit confused the stage 1 turbos are just stock with better bearings the stage 2s are td04 wheels and the stage 3s are no longer a gt series turbo but instead a td?
    Turbo lag is the on ramp to the highway which is power.

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    Click here to enlarge Originally Posted by WDBi Click here to enlarge
    Ok im a bit confused the stage 1 turbos are just stock with better bearings the stage 2s are td04 wheels and the stage 3s are no longer a gt series turbo but instead a td?
    bump and do we send our stock ones in to be turned into "stage 2" or are the stage 2s a complete replacement. I see the 300$ for the thrust upgrade for stage 2, is there a price range(total) for the stage 2? I might just be missing it all lol
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    Click here to enlarge Originally Posted by WDBi Click here to enlarge
    Ok im a bit confused the stage 1 turbos are just stock with better bearings the stage 2s are td04 wheels and the stage 3s are no longer a gt series turbo but instead a td?
    Not sure where you got any of this. Stock replacements are just that stock replacements with upgraded wastegates and the option for TD04 upgraded thrust parts, stage 1's it states very clearly have upgraded compressor wheels to MHI 14T and optional TD04 thrust parts, Stage 2's have always been 15T and the price was established a while ago at $2499 if you get the thust option add $300 to it. Not sure why you would think stage 3's are no longer garrett GTX's, they are.

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    What are our stock wheels? Also i think i.read thrust upgrade as wheels when the thrust upgrade is just bearings? Also the reason i was thrown off on stage 3 is because you said you switched from a td04 housing to something smaller.
    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    Not sure where you got any of this. Stock replacements are just that stock replacements with upgraded wastegates and the option for TD04 upgraded thrust parts, stage 1's it states very clearly have upgraded compressor wheels to MHI 14T and optional TD04 thrust parts, Stage 2's have always been 15T and the price was established a while ago at $2499 if you get the thust option add $300 to it. Not sure why you would think stage 3's are no longer garrett GTX's, they are.
    Turbo lag is the on ramp to the highway which is power.

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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    Stage 2's have always been 15T and the price was established a while ago at $2499 if you get the thust option add $300 to it.
    Thank you, thats what i was looking for Click here to enlarge and im retarded so answer my stupid question and pull me off the fence, Stage 2 I DO NOT NEED TO SEND ANYTHING IN? they are a direct replacement in entirety correct?
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    Click here to enlarge Originally Posted by Ak335i Click here to enlarge
    Thank you, thats what i was looking for Click here to enlarge and im retarded so answer my stupid question and pull me off the fence, Stage 2 I DO NOT NEED TO SEND ANYTHING IN? they are a direct replacement in entirety correct?
    Completely bolt on with all factory lines and connections, there is a $400 core charge if you do not return cores. But we have enough cores to built you a set and send them out before you send yours in, once you do core charge is refunded. Thanks

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    Good stuff Tony, very good stuff.

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Good stuff Tony, very good stuff.
    Seriously, this guy is the $#@!. I don't even have an n54 and I can't wait till he releases some turbos out! Great update.
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    has aything been done on the stg 3 front?

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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    has aything been done on the stg 3 front?
    Guess you didn't read the section of the post that starts with "Stage 3" nor the pictures of the billet oil feeds

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    I take it you two lads don't fancy each other¿
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    Click here to enlarge Originally Posted by Ak335i Click here to enlarge
    I take it you two lads don't fancy each other¿
    LostMarine is just prodding... without reading in this case.

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