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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 01-27-2011, 05:51 PM   #41
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Quote:
Originally Posted by viperormiata View Post
The closest thing to a small frame garrett would be the EFR 6258, and that still blows the 2554, 2560, 2860 and 2871 out the water.
I thought I would be flamed, marked as newbee and so on. Are you seriously saying that if you do a side to side test with the smallest B&W and the gt2554, the B&W would outperform the T25 in any way?
I agree on the extra bits. I like the all-in-one solution. And it is worth the extra investment.
Would this turbo bolt on to a s4 header and still clear the PS and AC?
Next problem is the downpipe. Is it to far backwards to get it right?
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Old 01-27-2011, 06:27 PM   #42
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I thought I would be flamed, marked as newbee and so on. Are you seriously saying that if you do a side to side test with the smallest B&W and the gt2554, the B&W would outperform the T25 in any way?
Who knows, honestly. These turbos are very new and I haven't seen what they do on a B6 or BP. Will a B1 frame EFR spool as fast as a 2554? Maybe not, but they will be capable of making over 100hp more than a 2554.

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I agree on the extra bits. I like the all-in-one solution. And it is worth the extra investment.
True. But then again it really depends on what equipment you are running with already. I have external waste gate and a nice blow off valve, so do I need to get rid of those for a EFR when I can run a compact gt3071 and call it a day? Just things I will need to figure out.

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Would this turbo bolt on to a s4 header and still clear the PS and AC?
Next problem is the downpipe. Is it to far backwards to get it right?
If it's a t2 foot print, it will work just fine. But the turbine outlet on the EFR turbos are all 3" v-band, so the S4 down pipe will need to be modded. Also depends on the over all length of the turbo for accessory clearance.
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Old 02-01-2011, 11:50 PM   #43
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Attention **** and Man-******:

Photographic evidence has surfaced of an EFR turbo installed on an NA Miata. The owner may or may not be an engineer at Borg Warner.

I am stalking have attempted to sodomize contact the aforementioned individual. I am certain he will respond positively to my bribe gift of tentacle rape **** a bag of Cheetos.

That is all.
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Old 02-02-2011, 07:18 PM   #44
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Followed up with an email to Full Race about that Miata as well, as well as poking them for updates. It's been two months since I last spoke to them.
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Old 02-02-2011, 08:32 PM   #45
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I have been discussing EFR testing on a Miata with an unnamed individual for about a month now. He asked me not to post any of his findings publicly. I will post more when I can.
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Old 02-03-2011, 10:33 AM   #46
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No ones mentioned the EFR 6255, too small?
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Old 02-03-2011, 12:24 PM   #47
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Found another place to get the efr turbos.

http://www.himni-racing.com/index.ph...4du6rol0h80qh7
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Old 02-03-2011, 05:36 PM   #48
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It wouldn’t surprise me it this thing would make 40 or 50 more hp and spool ~600 rpm sooner than my GT3071R, Have better transitional response as well. Damit I wish I was in need of a new turbo now instead of a year and a half ago.

Anybody want to give me one and Ill test it?

Bob
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Old 02-03-2011, 05:55 PM   #49
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Quote:
Originally Posted by bbundy View Post
It wouldn’t surprise me it this thing would make 40 or 50 more hp and spool ~600 rpm sooner than my GT3071R...
I'd say you're pretty close Bob.
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Old 02-03-2011, 06:53 PM   #50
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Quote:
Originally Posted by Savington View Post
I have been discussing EFR testing on a Miata with an unnamed individual for about a month now. He asked me not to post any of his findings publicly. I will post more when I can.
I have been having a discussion pertinent to this thread with an unamed individual for a good amount of time. I however, am not at liberty to discuss any of this thread-relevant information that you might be interested in. I hope this helps.

Quote:
Originally Posted by miatamike203 View Post
Found another place to get the efr turbos.

http://www.himni-racing.com/index.ph...4du6rol0h80qh7
Noice. If anyone noticed, they also sell the twinscroll housings for the GTX. Now that would be a decent showdown.
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Old 02-03-2011, 07:06 PM   #51
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Check that out. They sell twinscroll housings for the 6258... Hmm.
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Old 02-03-2011, 07:09 PM   #52
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Quote:
Originally Posted by Nagase View Post
Check that out. They sell twinscroll housings for the 6258... Hmm.
Yes, but it's a T4 foot print and .92 a/r

.....and that makes it nearly $1700 dollars.
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Old 02-03-2011, 07:12 PM   #53
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Care to elaborate?
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Old 02-03-2011, 07:16 PM   #54
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I'm sure this isn't the model that is being discussed, but someone mentioned wanting a S252. I cam across this site, and the $584 price tag seems good.

http://www.diesel-plus.com/dd_turbo.cfm?npid=9776
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Old 02-03-2011, 07:17 PM   #55
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Quote:
Originally Posted by Nagase View Post
Check that out. They sell twinscroll housings for the 6258... Hmm.
What is your HP goal Nagase?
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Old 02-03-2011, 07:26 PM   #56
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Originally Posted by MazDilla View Post
Care to elaborate?
http://www.himni-racing.com/index.ph...4du6rol0h80qh7

Follow that link and you will see a drop menu to select turbine housing.
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Old 02-03-2011, 07:34 PM   #57
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Quote:
Originally Posted by viperormiata View Post
Yes, but it's a T4 foot print and .92 a/r

.....and that makes it nearly $1700 dollars.
I know, I know. I wonder if there's any effective difference in spool between the .64 and the .92 if one is twin scroll though.
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Old 02-03-2011, 11:35 PM   #58
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Got an email from Full-Race today saying the 6255 is now discontinued because the 6258 made more power with almost the exact same response time. Full race gets another shipment of 6258s in next week and one of them is mine.
I had a precision 5130 on pre-order since November 2010. I called today and they still had no ETA so i canceled my order and went with BorgWarner instead.
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Old 02-04-2011, 12:12 AM   #59
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1.22 exhaust AR. Good luck. ....
Quote:
Originally Posted by djp0623 View Post
I'm sure this isn't the model that is being discussed, but someone mentioned wanting a S252. I cam across this site, and the $584 price tag seems good.

http://www.diesel-plus.com/dd_turbo.cfm?npid=9776
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Old 02-04-2011, 05:02 AM   #60
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Quote:
Originally Posted by Nagase View Post
I know, I know. I wonder if there's any effective difference in spool between the .64 and the .92 if one is twin scroll though.
With twin-scroll, you basically have to throw out your pre-conceived notions on A/R sizing. You can't make a good comparison between a single and twinscroll housing, even if the TS is much larger.
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