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68hta external wg setup

Posted by TK's9d2TSi, Mar 25, 2020

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  1. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    So I’ve come to find out that JMFab recirculating O2 housing (for tial 44mm wg) is not a good fit for 68hta w 8cm housing. It actually touches the p/s pump and turbo has to removed to do anything on the timing side. This includes adjusting your p/s belt tension. Long story short, it’s not mentioned anywhere that this O2 housing is for 7cm housing.

    Just curious what O2 housing/EWG setup you guys are running w 68hta V2. Pic would be great.

    Thanks
    Tony

    AD86BBF5-5271-45B5-96B6-7331DB98B4F6.jpeg
     

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  2. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    Anyone running an external 38mm wg?
     

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  3. Steve93Talon

    Steve93Talon Proven Member

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    7cm and their 8cm should be identical flange placement. Have you reached to JMF?
     

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  4. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    Yes. That’s what Jim at JMFab told me. Guess I can call FP tomorrow to verify that
     

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  5. BoostedTurtle

    BoostedTurtle Probationary Member

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    I’m running a 38mm but with the dump housing and I have a little more clearance
     

    Attached Files:

    Street Build 146  1

    1996 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM

    Street Build 503  1

    1995 Eagle Talon TSi AWD
    awd · manual · 2G DSM

    Street Build 907  3

    1997 Mitsubishi Eclipse GSX
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  6. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    Looks like you can get to the p/s bolt on that side. JMFab O2 housing?
     

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  7. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    Thinking about taking it to the machine shop and have them take off 4mm here

    C86F5215-A6DA-45A5-B35B-C3B63FB45F59.jpeg
     

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  8. EVLGSX

    EVLGSX Proven Member

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    I am. Tial F 38 off o2
     

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  9. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    What o2 evl? Do you have a close up pic?
     

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    409  4

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  10. EVLGSX

    EVLGSX Proven Member

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    I believe it was made by JM fab. Its an older 2 bolt unit though, not v band like yours.

    I know TurboSmart makes a very compact 2 bolt WG ........ I havent compared their vband stuff but they might make an unusually compact vband unit too.
     

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  11. DSMPT

    DSMPT Proven Member

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    Yes, TurboSmart has some v-band compact models but it doesn't fit with Tial 44mm flanges. TurboSmart 45mm gate is the one fit with Tial 44mm flange.

    @tk106
    I just re-checked the dimension of Tial 44mm and TurboSmart 45 Gate. It looks like they have the same dimension (both flanges are the same and 55.5mm from the inlet center to the edge of outlet flange and 33.5mm from the outlet center to the edge of inlet flange, like the drawing below). So the TurboSmart 45 gate should fit on the JMF recirculated O2 housing.
    And the height of the TS 45 standard pressure gate is very similar to the Tial 44mm, maybe just a couple of millimeters lower. but the top cap diameter is much smaller than the Tial's. It has only 74mm at the widest point. I don't know how much interference you have with the P/S pump but it seems the TS 45 standard gate would give you some more extra room toward the P/S pump.
    スクリーンショット 2020-03-26 0.17.01.jpg
    wastegate-tial-mv-r-2.jpg
    DSC_1868.JPG
    DSC_1872.JPG
    DSC_1869.JPG
     

    Drag Race Build 2K  3

    1990 Mitsubishi Eclipse GSX
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  12. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    Turbosmart looks to be about 1/2 inch short which would be prefect.

    FCDA9141-4F55-4289-923A-FBDDF0020CE2.jpeg

    But looking at these dimensions, I don’t think it’ll work

    DFB154B1-4140-4654-8CE6-BA793D993F04.png
    9EF0A2E0-B853-45DE-BFAB-7E674BCFD56A.jpeg
     

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  13. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    I’ll make a phone call to turbosmart today. Pray for me that their wg is a direct fit :pray:
     

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  14. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    You’re right Steve! 7cm & 8cm are identical as far as external dimensions. I emailed Jim at JMFab. Let’s see what he says
     

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  15. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    Good news. Jim at JMFab is taking a look at it, so I'll be sending him the O2 housing and my WG.

    Also contacted TurboSmart.

    Hello,

    Thank you for reaching out. Our 45mm wastegate will work on the 44mm inlet flange however it will not work with the outlet. Our wastegate will come with both inlet and outlet weld flanges so you could always cut off the outlet flange you have and get the Turbosmart one welded on.
     

    379  3

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  16. DSMPT

    DSMPT Proven Member

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    I rechecked with a caliper too. Yeah actually about a millimeter different.
    DSC_1882.JPG

    II think there was a confusion between you and the TS rep. Check the pic below. A TB45mm gate on O2 housing/dump pipe with original tial 44mm flanges. I measured the TS and Tial original outlet flange's OD, ID and thickness and I see no difference. I am not sure why the TS rep said it won't work.
    DSC_1873.JPG
     
    Last edited: Mar 26, 2020

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  17. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    Oh they look to be identical from that first pic. Yeah idk why either. I sent the housing and wg off to jmf earlier. If they can’t do much, I’ll most likely end up picked up the TS. Thanks Hiroshi!! You da man wit da masta plan ROFL
     

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  18. DSMPT

    DSMPT Proven Member

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    Yeah if JMF can fix the angle that would be the best:hellyeah: since buying another wastegate won't be that cheap, so. When I had a FP manifold I had a tial 44mm on O2 housing, never had that clearance issue with the P/S pump. But it was atmosphere dumped, not recirculated. and sure you're welcome hahahaROFL.
     

    Drag Race Build 2K  3

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  19. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    That’s what Jim said too. Non recirculating has more clearance. So I told him it doesn’t matter to me if it’s to atmosphere or not at this point. Just want to be able to get to the p/s pump without pulling the turbo.
     

    379  3

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  20. DSMPT

    DSMPT Proven Member

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    Yeah I think so. My O2 housing flange angle is different from yours.
    DSC_1883.JPG
     

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  21. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    That angle looks greater than mine and should clear no problem
     

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  22. Steve93Talon

    Steve93Talon Proven Member

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    Looks like the 38mm MV-S is almost 1/2" shorter. I'd assume his fitment was designed around that since it's pretty unusual to run a 44mm on an MHI frame turbine. Maybe just see if he'll swap housings out for you.
     

    Drag Race Build 1K  24

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    2K  7

    1993 Eagle Talon TSi
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  23. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    It’s specifically made for tial 44mm. Got it so I can go bigger turbo later and not have to buy again. It worked fine with the current set up except lately I couldn’t build boost for some reason. Car has been down for a few months for clutch/trans issues.

    You have the option for 38 or 44

    http://www.jmfabrications.com/store...2-Housing-%2d-Recirculated-External-Wastegate
     

    379  3

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  24. Steve93Talon

    Steve93Talon Proven Member

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    I know that, but I was saying when he mocked up fitment he probably did it with the 38. Unless you want to run really low boost on a really big turbo, there's no need for the 44.
     

    Drag Race Build 1K  24

    1991 Eagle Talon TSi AWD
    369.5 whp · 403.2 lb/ft · 1G DSM

    2K  7

    1993 Eagle Talon TSi
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  25. TK's9d2TSi

    TK's9d2TSi Supporting Member

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    Are the vband flanges the same for 38 & 44? Well, I got the 44 and won't be changing it unless I have to. Again, it works fine on my setup.
     

    Attached Files:

    379  3

    2000 Jeep Cherokee Sport - Classic
    awd · automatic · Misc Vehicles

    409  4

    93 Civic 4 Door -sold-
    fwd · manual · Misc Vehicles

    Street Build 3K  6

    1992 Eagle Talon TSi AWD
    12.2 @ 120 · 1G DSM
    Loading...

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