[Closed] Borg Warner Efr Series Turbos

[mr skidz]

Mad story.

Then what happened...

[minesskyline]

First post here. Also, I've been reading and reading through this massive thread. I can not seem to find a results for the EFR 8374 on any 2.x build. Does anybody know a specific thread page where there are results power-wise for any of the EFR turbos?

 

Edit: Actually, nevermind. I figured out how to search just this specific thread, herpderp. The EFR 8374 looks insane.

Edited August 6, 2016 by minesskyline

[sneakey pete]

Jesus.

 

Need more data in here, he has a point, there isn't much apart from just people saying "they feel awesome"

[Piggaz]

8 hours ago, minesskyline said:

First post here. Also, I've been reading and reading through this massive thread. I can not seem to find a results for the EFR 8374 on any 2.x build. Does anybody know a specific thread page where there are results power-wise for any of the EFR turbos?

 

Edit: Actually, nevermind. I figured out how to search just this specific thread, herpderp. The EFR 8374 looks insane.

There was post in here somewhere of a 8374/1.05 on a built 2.6 tuned by JEM. 30 or 32 PSI by 4100 RPM and made 550 KW.

[Nismo 3.2ish]

13 hours ago, Mick_o said:

I know you have an online street tuna certificate but you are seriously the tuna John West rejects that makes John West the best! 

 

13 hours ago, Mick_o said:

HAHAHAHA , that is so funny MIck, I did not know you had a sense of humor . lol

Right

[minesskyline]

6 hours ago, sneakey pete said:

Jesus.

 

Need more data in here, he has a point, there isn't much apart from just people saying "they feel awesome"

Yea, this is pretty true actually. I only found one real post so far. And while looking at the compressor map and some of the results from other cars looks pretty good, I think there definitely needs to be more data at this point.

[minesskyline]

1 hour ago, Piggaz said:

There was post in here somewhere of a 8374/1.05 on a built 2.6 tuned by JEM. 30 or 32 PSI by 4100 RPM and made 550 KW.

Yea, I saw that post, but unfortunately it's one of the very few with any results so far on these turbos.

[sneakey pete]

I plan to log the crap out of mine when its done... just need to get it done first!

[usmair]

15 hours ago, JH32 said:

So anyway, all arguing aside...

I'm really keen to see the results of this setup as I think it's more representative of what the 'everyday SAU user' could achieve. Stock bottom end, 8374 with 1.05 rear housing, 264 cams, 3.5" exhaust and e85. No RB30 / VCAM etc.

The car is now running

But the tuner is too busy to book it in.... Need to wait around 2 - 3 weeks to book in time for catch can and tune.

and its 256 cams (unfortunately)

The Built 2.6L with 8374 tuned by JEM making 550kw is my mechanics car, who previously had -7s.

He says its even more responsive than the -7s and makes an another ~175kw.

 

 

[sneakey pete]

256 cams probably aren't that bad, should bring it on nice and early and not hurt top end too much 

[HarrisRacing]

To be fair it would be quite good to have more real-world logging of how these EFRs perform, I don't see any issue with what Skidz is saying would be nice to have.  It would have been epic to have had logging  data of the drive we went for in Brett's car, response is subjective while data is data.

Look forward to intune's results and hope some data logs from a well setup and tuned EFR can be caught and shared 

Just tell me what you want. I'll do it when I get back from vacation.

I was just showing overall boost threshold on the street in 2 gears. And yes just shy of 10 seconds to reach 18 psi from only 2k rpms is still real data that may be useful to some.

I think what most of the single EFR supporters are saying is that:
1) A BW 8374 EFR definitely is within the realm of a very driveable street car that is looking to make anywhere 600-800 HP.
2) 8374 will likely beat the very commonly used -5 turbos in spool and response even given their significantly higher max HP capability.

I think these people are correct from data i have seen so far and from driving my own car. In all honesty I think a 7670 is a more direct comparison to the -5s and i think it would paint a significantly different picture for you.

Remember at only 11 psi my car still dyno'd 375 rwhp. On 17 it did 464 on stock haltech base timing. As soon as I get my fuel problem sorted I'm going back for solid 20-21 psi (yes still on 93 octane pumpgas) and more timing advance to see what it does. Does my car beat the -5s in threshold so far on the street? Please provide data for comparison and we will all know. I am pretty sure at 24 psi the 8374 will easily start to walk away from them.

And I'm not taking anything personal at this point. Lots of things I would have done differently on my car so far and I'm still learning, but to lay down fastest time of the day with only 2 runs of the last autox I attended should tell you this turbo is NOT unresponsive.

[HarrisRacing]

Post 2442 has my first dyno on stock haltech timing map. Also only 17 or so psi. 464 rwhp fyi.

[Nismo 3.2ish]

7 hours ago, HarrisRacing said:

Post 2442 has my first dyno on stock haltech timing map. Also only 17 or so psi. 464 rwhp fyi.

Not sure if it is the site , but I cannot see the Post # anymore

Tried to search for post 2442 and this came up again, lol

What page was that on ?

[HarrisRacing]

245

[Nismo 3.2ish]

33 minutes ago, HarrisRacing said:

245

there is only 141 pages on this thread, is it on another thread ?

[Lithium]

On 7/29/2016 at 3:19 PM, r32-25t said:

 

[Lithium]

As a complete off topic, wow this new forum software is a complete piece of shit.  I ended up posted that previous nonsense post because the software literally wouldn't let me do anything else until I posted it.  It kept putting me into a page midway through the EFR thread and whenever I tried to post or edit a post it put that text body in and wouldn't let me do anything but "submit reply".  Seems much happier now, but the software is still bloody awful to use even when it's "working properly" again.

Now more on topic, I can't take any more posts where HarrisRacing goes on about his own post without actually posting a link to it and Nismo3.2ish not doing a search... took me about 1 minute to find this (and about 10 minutes to post it due to what the previous paragraph says)   There appears to be no dyno plot attached, though I wouldn't rule out the possibility this forum "upgrade" has stripped out any useful data previously posted in this thread.

 

PS. GET OFF MY LAWN!

 

Edited August 7, 2016 by Lithium

[mr skidz]

Harris your log starts at 0map indicating at tps of 100% but you really should show tps on logs as manifold pressure can show a lot of boost at 50% throttle on these itb engines.

*Was referring to the 6:45 to just shy of 6:57 which is 12 seconds @ 5th gear log making 18.1 psi.

You will notice the actual time on my logs is way shorter indicating no foul play from brake boosting and the like.

Your 2nd log
Try using the same boost points as me so we don't have to mentally interpolate between pressures causing us to guess.

Not sure why image links are broken??

[Kinkstaah]

Every time I read the flame and anger I really want to post that I make 400RWKW at 4100rpm (I do!)

......with a GT35 wheel.

.....with a 3in exhaust with a screamer pipe....

So everything posted in this entire thread is laggy as f**k and must absolutely be shit to drive especially on the street holy shit you peasants.

But in all seriousness everyone's setup seems a little different. There's enough anecdotal evidence from people who have tried other things to say the EFR is as good as it seems and if you want to go top mount and don't fear anyone popping the bonnet then there's not much better to spend money on right now.

 

People getting X result or Y result can be sort of ignored. If you go by the Hypergear thread it's enough to show you that general car setup and sensible mods that people get different results in different things on different cars for god knows why reasons. What truly matters is when people test them back to back, and people going from whatevers to EFR on the same car all go "EFR OMG *jizz*"

Though I am yet to see anyone go from a nice Twin scroll manifold, Twin scroll rear housing, GTX3582 running 35psi and comparing that to an EFR and your power to RPM ratio is gonna be close. After awhile though you are splitting hairs and someone with 190kw in a MX5 has gone around on the outside at the track and is 5s faster so all dick swinging may be entirely moot.

[Lithium]

^ one of the closest I've seen is in car footage from Powertune's WTAC car with a twin scroll 6466 to next time with an EFR9180... was interesting watching, I believe it's all on the YouTubes