V-band Housings for EFR Turbos - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 05-02-2013, 06:33 PM   #21
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Originally Posted by thenuge26 View Post
I wish.



Looks like they're gonna make me decide between IWG and V-band inlet. Or just run ALLOFIT all the time

Obviously EWG will be more difficult if I end up fabbing my own manifold, but v-bands will be easier to deal with...


Bro think of all the vbands you could have. Vband e'er'thang!


(i'm a massive ricer so this appeals to me.)
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Old 05-02-2013, 06:36 PM   #22
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That makes sense, simpler is better. And while v-band inlet is simpler than T25 flange, the IWG is simpler than an EWG (and the Borg ones are as good as an EWG).

I wonder if the v-band EWG housing is the same one Indy uses? Or that housing pictured might be an Indy one and they will also offer a v-band inlet IWG (doubtful but I can dream can't I?).
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Old 05-02-2013, 06:39 PM   #23
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(and the Borg ones are better than an EWG).
FTFY
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Old 05-02-2013, 06:47 PM   #24
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WANT
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Old 05-02-2013, 07:48 PM   #25
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Quote:
Originally Posted by thenuge26 View Post
I wish.



Looks like they're gonna make me decide between IWG and V-band inlet. Or just run ALLOFIT all the time

Obviously EWG will be more difficult if I end up fabbing my own manifold, but v-bands will be easier to deal with...
Yeah I saw the undrilled boss for the wastegate pivot point and figured it was coming without it. But thinking about it more, that boss wouldnt be in that casting if they weren't going to drill a hole there for the IWG.
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Old 05-02-2013, 08:30 PM   #26
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Yeah I saw the undrilled boss for the wastegate pivot point and figured it was coming without it. But thinking about it more, that boss wouldnt be in that casting if they weren't going to drill a hole there for the IWG.
What casting are you talking about? The little bump just after the inlet is likely so you can drill/tap for EGT.
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Old 05-03-2013, 10:03 AM   #27
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What casting are you talking about? The little bump just after the inlet is likely so you can drill/tap for EGT.
The one that was on the other side that we cant see and I had the housing flipped around in my head.
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Old 05-03-2013, 10:47 AM   #28
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I am really hoping that the inlet for the turbine from the manifold is the same size of what Tial uses on their V-Band housing. If I could swap back and forth between the EFR and my GT2871 I would be very happy. I also would like the EFR to have the internal wastegate along with the V-Bands.
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Old 05-03-2013, 10:56 AM   #29
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The IWG on the EFRs makes the turbine-to-downpipe part of the housing really long, which makes fitment an issue. But from the looks of the v-band housing, you might be able to just swap it straight in where your 2871 was. Except I don't remember if you are EWG or not...
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Old 05-03-2013, 11:28 AM   #30
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Quote:
Originally Posted by thenuge26 View Post
The IWG on the EFRs makes the turbine-to-downpipe part of the housing really long, which makes fitment an issue. But from the looks of the v-band housing, you might be able to just swap it straight in where your 2871 was. Except I don't remember if you are EWG or not...
I am EWG, but that does not mean I can not build a cap for that outlet. I know the stock exhaust housing is rather long on EFR with IWG, I have a lowmount manifold so I really should not have any issues fitting that. I also do not have any problems with making a new downpipe and just switching those. Really I just want to stay away from having to build a new manifold just for the EFR. Back to back testing with just a change of the turbo and downpipe would be very nice.
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Old 05-03-2013, 11:36 AM   #31
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Right but if you don't mind keeping your EWG, I'm thinking that with that EFR v-band housing you could just do a straight swap with your GT2871 from the looks of it. I'm not sure what the coldside looks like compared to the Garrett, you might have to modify the IC piping.

Just swap it out with no mods at all. Back to back testing by removing a couple of v-bands.
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Old 05-03-2013, 01:25 PM   #32
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after some more research.




they are doing both. wallop. the housing looks to be in similar proportion to the t25 flange, so wont be interchangable with a tial/garrett unit without the DP going too.
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Old 05-03-2013, 01:26 PM   #33
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Lars, that would be awesome, and get us a really good look at how the two stack up


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after some more research.



wallop.
WIN!!
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Old 05-03-2013, 01:30 PM   #34
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after some more research.

they are doing both. wallop.
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Old 05-03-2013, 01:31 PM   #35
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Wonder how much more these suckers will cost
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Old 05-03-2013, 01:32 PM   #36
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yup! I cant tell you how happy this makes me. Lets just hope they are investment cast like the photos. I've heard too many bad stories of EFRs turning up with sand cast housings that look like a piece of ****.
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Old 05-03-2013, 02:19 PM   #37
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Originally Posted by StarletRick View Post
yup! I cant tell you how happy this makes me. Lets just hope they are investment cast like the photos. I've heard too many bad stories of EFRs turning up with sand cast housings that look like a piece of ****.
The sand cast housings are a temporary solution because the early investment housings were failing QC. The final housings for all of the turbos will be investment cast.
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Old 05-03-2013, 03:08 PM   #38
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Quote:
Originally Posted by thenuge26 View Post
Right but if you don't mind keeping your EWG, I'm thinking that with that EFR v-band housing you could just do a straight swap with your GT2871 from the looks of it. I'm not sure what the coldside looks like compared to the Garrett, you might have to modify the IC piping.

Just swap it out with no mods at all. Back to back testing by removing a couple of v-bands.
My EWG tends to creep a bit on higher RPM's. Also from what I have read the internal gate on the EFR is amazing and better then an ewg. So if I go with an EFR for testing I would like the best of the best.

Also the making of a downpipe that does not need the EWG dump tube would be easier for me.

Quote:
Originally Posted by 18psi View Post
Lars, that would be awesome, and get us a really good look at how the two stack up
I think that my GT2871 will have a slightly better top end the smaller EFR, but I think that the EFR will have a better mid range. Now if I go with the slightly bigger one that Soviet is now rocking I think the top ends would be very similar, with the EFR having a better mid range. If I win the lotto or find me a sugar momma I would love to also throw a GTX of similar size on to test that also.
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Old 05-03-2013, 09:29 PM   #39
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Quote:
Originally Posted by StarletRick View Post
after some more research.



Let the era of low maintenance aftermarket turbocharging begin! Tune and forget.
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Old 05-03-2013, 09:33 PM   #40
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Yeah cause those FM kits are a royal PITA, definitely not user friendly.
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