Notices

Views on Borg Warner EFR turbos?

Old 11-02-2015, 03:25 PM
  #26  
Boosted Kiwi
iTrader: (2)
 
Brettus's Avatar
 
Join Date: Apr 2006
Location: Y-cat-o NZ
Posts: 18,335
Received 229 Likes on 177 Posts
Originally Posted by JimmyBlack View Post

Arca, you worded your opinion that the manifold housing is non-divided like it's a fact, which can be misleading to some. I missed this when reading the article, can you explain why you came to this conclusion? Maybe we can put this to bed and find a better real world turbo comparison.
They actually stated that the turbo was the ONLY thing changed .
Brettus is online now  
Old 11-02-2015, 06:11 PM
  #27  
BECAUSE RACECAR
iTrader: (10)
 
Arca_ex's Avatar
 
Join Date: May 2011
Location: Arizona
Posts: 1,413
Likes: 0
Received 2 Likes on 2 Posts
Originally Posted by JimmyBlack View Post

Arca, you worded your opinion that the manifold housing is non-divided like it's a fact, which can be misleading to some. I missed this when reading the article, can you explain why you came to this conclusion? Maybe we can put this to bed and find a better real world turbo comparison.
That's because in the first post, it was stated that they are using an SP manifold. It is a non-divided single wastegate T4 tubular manifold and that is a fact.
Arca_ex is offline  
Old 11-02-2015, 06:37 PM
  #28  
Hybrid Greddy Boosted
 
JimmyBlack's Avatar
 
Join Date: Jul 2013
Location: New Zealand
Posts: 460
Received 23 Likes on 20 Posts
Originally Posted by Arca_ex View Post
That's because in the first post, it was stated that they are using an SP manifold. It is a non-divided single wastegate T4 tubular manifold and that is a fact.
Here's a fact, on the SP website you can see that they have made a bunch of divided and non-divided turbo manifolds for the Supra. The only HKS style Supra manifolds I saw were divided ones, so it still sounds like they used a divided manifold for both tests.

SoundPerformance.com - Turbo Kits
JimmyBlack is offline  
Old 11-02-2015, 07:01 PM
  #29  
BECAUSE RACECAR
iTrader: (10)
 
Arca_ex's Avatar
 
Join Date: May 2011
Location: Arizona
Posts: 1,413
Likes: 0
Received 2 Likes on 2 Posts
Originally Posted by JimmyBlack View Post
Here's a fact, on the SP website you can see that they have made a bunch of divided and non-divided turbo manifolds for the Supra. The only HKS style Supra manifolds I saw were divided ones, so it still sounds like they used a divided manifold for both tests.

SoundPerformance.com - Turbo Kits
Here's the section of their store you're looking for. No divided manifolds in sight.

SoundPerformance.com - Turbo Manifolds
Arca_ex is offline  
Old 11-02-2015, 09:17 PM
  #30  
Hybrid Greddy Boosted
 
JimmyBlack's Avatar
 
Join Date: Jul 2013
Location: New Zealand
Posts: 460
Received 23 Likes on 20 Posts
Don't know what point you're making there, but it's not worth the time arguing over it.

The following rotary specific article is probably my relevant to us. You'll be happy to see it's pro-EFR. Some low boost results also, which make it more valid to a 13b-MSP application.
BorgWarner EFR turbochargers are living up to the hype | TurboSource
JimmyBlack is offline  
Old 11-02-2016, 09:41 AM
  #31  
Renesis out... REW in
iTrader: (3)
 
firecran's Avatar
 
Join Date: Jan 2007
Location: Melbourne, Fl
Posts: 1,526
Likes: 0
Received 0 Likes on 0 Posts
Thumbs up EFR Update

Been running my EFR 8374 for the last 10 months that I street tuned myself and I'm extremely pleased with it. Response is in another league compared to other turbos I've ran... including BB.
Bottom line is if you want the best response for your turbo rotary... then pay alittle extra and get a EFR.
I'm happy I did.




Below is a example of a RX-7 with 8374iwg at 14-15psi on 91 pump.
It's pretty similar to my set-up.


Name:  587013d1477366221-pump-gas-efr-iwg-8374-dyno-14-5psi-kevin-15psi-pumpgas-8374iwg-stockp.jpg
Views: 622
Size:  142.9 KB

I'm holding at 12psi(which spools in a blink of a eye)until I can get it on the dyno for a final tune but she feels really good for now.
.
firecran is offline  
Old 11-02-2016, 10:57 PM
  #32  
Registered
iTrader: (11)
 
Warrior777's Avatar
 
Join Date: Mar 2010
Location: Oklahoma City
Posts: 184
Received 0 Likes on 0 Posts
Can't wait to get mine going.
Warrior777 is offline  
Old 11-08-2016, 05:13 AM
  #33  
Registered
 
Join Date: Oct 2015
Posts: 64
Likes: 0
Received 4 Likes on 2 Posts
I purchased an EFR 8374 IWG .92 for my REW swap.

I was thinking of a Garret gt35/82R but after buying that, a wastegate, then spending the money on piping it in, then buying a blowoff valve and getting that plumbed in I would have paid about the same amount of cash and would much prefer the 8374.

I will be running about 15 -16 psi on 98 unleaded fuel with a turbo bridge port, hoping for 400 - 450 whp on an Australian dyno.
ratm is offline  
Old 11-08-2016, 11:35 AM
  #34  
Renesis out... REW in
iTrader: (3)
 
firecran's Avatar
 
Join Date: Jan 2007
Location: Melbourne, Fl
Posts: 1,526
Likes: 0
Received 0 Likes on 0 Posts
^Nice man. 8374 is a great turbo for the street.
firecran is offline  
Old 11-08-2016, 12:32 PM
  #35  
Boosted Kiwi
iTrader: (2)
 
Brettus's Avatar
 
Join Date: Apr 2006
Location: Y-cat-o NZ
Posts: 18,335
Received 229 Likes on 177 Posts
Originally Posted by firecran View Post
^Nice man. 8374 is a great turbo for the street.
In 3rd gear , at what rpm will you see 12psi ? Yours is twin scroll ?
Best I can do with my GTX3576r is around 3600rpm.


Also : on the rx7 forum , there have been reports of drive-ability problems with the 8374 . Specifically with throttle modulation under light load . How is yours ?

Last edited by Brettus; 11-08-2016 at 12:44 PM.
Brettus is online now  
Old 11-08-2016, 07:38 PM
  #36  
Registered
 
Join Date: Oct 2015
Posts: 64
Likes: 0
Received 4 Likes on 2 Posts
I have seen a dyno sheet turblown put up on the FDRX7.com froum where they got 25 psi at around 3200 rpm,

FD-RX7 Enthusiasts Forum
ratm is offline  
Old 11-11-2016, 09:46 AM
  #37  
Renesis out... REW in
iTrader: (3)
 
firecran's Avatar
 
Join Date: Jan 2007
Location: Melbourne, Fl
Posts: 1,526
Likes: 0
Received 0 Likes on 0 Posts
Talking

Originally Posted by Brettus View Post
In 3rd gear , at what rpm will you see 12psi ? Yours is twin scroll ?
Best I can do with my GTX3576r is around 3600rpm.


Also : on the rx7 forum , there have been reports of drive-ability problems with the 8374 . Specifically with throttle modulation under light load . How is yours ?
Before 3000rpm, yes twin scroll.
No issues with throttle modulation here
firecran is offline  
Old 11-14-2016, 05:38 PM
  #38  
Registered
 
Join Date: Dec 2015
Posts: 17
Received 0 Likes on 0 Posts
i ran a 67mm borg and it was a magical setup. based my kit off the sfr kit and it handled boost like a champ. got the car to 450hp easy couldve gone higher but was running a stock block with 125K miles so not the greatest life decision to push its limits. also benefit for those turbos is thier cheap rebuild costs. i can do a full rebuild on it for 200 bucks if it ever blows
gjpennes is offline  
Old 09-06-2017, 09:06 PM
  #39  
Registered
 
Join Date: Jan 2013
Posts: 164
Likes: 0
Received 10 Likes on 9 Posts
I run an EFR 8374 IWG on my rx7 FD.

If anyone is interested I can get EFR turbo's for really good prices.
Attached Thumbnails Views on Borg Warner EFR turbos?-dsc09438.jpg   Views on Borg Warner EFR turbos?-dsc08267.jpg   Views on Borg Warner EFR turbos?-dsc08259.jpg   Views on Borg Warner EFR turbos?-dsc00008.jpg  

Last edited by lOOkatme; 09-06-2017 at 09:12 PM.
lOOkatme is offline  
The following users liked this post:
Warrior777 (09-07-2017)
Old 09-07-2017, 02:11 AM
  #40  
Registered
iTrader: (11)
 
Warrior777's Avatar
 
Join Date: Mar 2010
Location: Oklahoma City
Posts: 184
Received 0 Likes on 0 Posts
I plan on running the 8374. I will definitely check in with you on pricing when I'm looking to purchase.
Warrior777 is offline  
Old 09-07-2017, 11:18 AM
  #41  
Koi no Ousama
iTrader: (25)
 
TeamRX8's Avatar
 
Join Date: Apr 2005
Posts: 20,737
Received 304 Likes on 250 Posts
Unfortunately we can't mount one like that in the RX8 chassis

Regardless, firecran set the bar by proving that the supposed low-mount advantage is null and void on the RX8 chassis. There's no point trying to stuff a 10 pound turbo in a 5 pound hole trying to get 15 pounds of performance when an EFR 8374 delivers it all and more without all the torture ...

also been pretty impressed with Turbosource/Turblown that last year or two. I know their reputation was a bit tarnished in the past, but they seemed to have stepped up their game quite a bit.


.

Last edited by TeamRX8; 09-07-2017 at 11:27 AM.
TeamRX8 is online now  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
jDt!
RX-8 Parts For Sale/Wanted
11
10-02-2015 04:04 PM
Stubbs
Series I Wheels, Tires, Brakes & Suspension
0
09-27-2015 04:06 PM
Evan Gray
Series I Trouble Shooting
0
09-26-2015 12:30 PM
Hiroshima_RX
Series I Trouble Shooting
3
09-21-2015 06:28 PM


Thread Tools
Search this Thread
Rate This Thread
Rate This Thread:
You have already rated this thread Rating: Thread Rating: 0 votes,  average.

Quick Reply: Views on Borg Warner EFR turbos?


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.