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Borg Warner EFR Turbocharger line


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#1 ShaggyZ

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Posted 09 December 2010 - 12:05 PM

Perhaps the most thorough coverage of these new turbos is at Full Race - http://www.full-race...efr-turbos.html

The turbochargers have been completely redesigned with some pretty cool features that, if truly functional, may justify the ~$1500 price tag. They all come with integrated Boost Control Solenoids and speed sensor ports; many of them come with well-designed integral wastegates, and the actuators bolt to the center housing instead of the compressor housing so you can spin the housing to just about any rotation you need; integrated by-pass valve (ie recirculating blow-off valve). They say these features are actually useful and efficient even in high horsepower applications and have OEM/high quality durability. I'm intrigued.

The BorgWarner EFR turbo is set to become the new world standard for performance turbocharging due to the high-technology feature package, unbeatable performance, and installation convenience. The EFR turbocharger was designed and manufactured with only one purpose in mind: to dominate the street, track, and strip. (7) different sized turbos, optimally matched for the 250-1000hp per turbo segment - and in (4) different turbine housings are the result. The combination of this top-shelf geometry and the Gamma-Ti turbine wheel significantly raises the bar for performance aftermarket turbochargers. Combined with our ball bearing technology, it is the most responsive range or turbos that are available anywhere, at any price. The EFR series covers all applications except the hardcore drag racers. For those hardcore customers, we still offer the highly popular S400SX and S500SX product lines, and will continue to update those turbos during the next year.

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I did a search for EFR and came up empty.

Edited by ShaggyZ, 09 December 2010 - 12:06 PM.

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#2 ozzzzz

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Posted 09 December 2010 - 12:14 PM

Perhaps the most thorough coverage of these new turbos is at Full Race - http://www.full-race...efr-turbos.html

The turbochargers have been completely redesigned with some pretty cool features that, if truly functional, may justify the ~$1500 price tag. They all come with integrated Boost Control Solenoids and speed sensor ports; many of them come with well-designed integral wastegates, and the actuators bolt to the center housing instead of the compressor housing so you can spin the housing to just about any rotation you need; integrated by-pass valve (ie recirculating blow-off valve). They say these features are actually useful and efficient even in high horsepower applications and have OEM/high quality durability. I'm intrigued.




I did a search for EFR and came up empty.


Very cool.Ball bearings to boot. First time I've seen them on a BW. Wish I had one.

#3 tvgz28

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Posted 09 December 2010 - 05:03 PM

I wish I had the coin to drop on that ...but I'm a poor white kid so old school hx35 for me, unless someone makes a standalone controller for the he351ve then ill be a poor white kid with a vgt Turbo.

#4 lumberjackj

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Posted 14 December 2010 - 07:33 PM

Saw these in person @ SEMA this year, look extremely promising, they arent for sale yet, but they DO pack a lot of features into a nice neat bundle... For sure we will be doing testing with these things in the future!
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#5 MazterDizazter

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Posted 03 March 2011 - 10:19 AM

I'd like to see a comparison between the Borg Warner EFR and the new Garrett GTX series; I'm trying to decide between one of the two...
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#6 ozzzzz

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Posted 03 March 2011 - 02:44 PM

I'd like to see a comparison between the Borg Warner EFR and the new Garrett GTX series; I'm trying to decide between one of the two...

They are still not available to the public. Would be a good comparison. My friend is sponsered and will be getting his within the week.

#7 roger280zx

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Posted 04 March 2011 - 07:52 AM

I doubt Garrett can beat the $2200 price tag with all the accesories included.

#8 HowlerMonkey

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Posted 04 March 2011 - 11:22 AM

We're going to use them on a twin turbo Z06 build simply because there is no room for anything else

#9 jessejames

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Posted 04 March 2011 - 12:17 PM

I've got the efr 6258. I'm really impressed with the build quality and the packaging. I've not installed it yet as its too cold. Heres a couple of pics.

http://img52.imagesh...10121140017.jpg

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#10 HowlerMonkey

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Posted 06 March 2011 - 07:42 AM

boing

#11 260DET

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Posted 17 March 2011 - 10:22 PM

Side by side comparison is the only way to tell, until they show in use superiority I'll stay with Garrett thanks.

#12 ShaggyZ

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Posted 04 October 2011 - 10:30 AM

Bump! Specifically for jessejames and his turbo.
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#13 HK240ZT

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Posted 01 June 2012 - 11:51 AM

Bringing this thread back to life! Anyone running an efr or gtx series turbo on their L engine? I would like to know more.
Work In Progress...

#14 roger280zx

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Posted 03 June 2012 - 06:36 AM

Is it still too cold?

#15 BLOZ UP

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Posted 03 June 2012 - 04:59 PM

I'm planning on getting the 6758 unless my current T3/T04E (.63 hot, 57 trim cold) ends up working better than it has so far, when I tune it properly. I'm thinking my current one will be too slow for my autocross needs.
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#16 wigenOut-S30

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Posted 27 June 2012 - 01:42 PM

I would like to see some data from those that have installed these turbos.. Lets see some updates!

1977 S30: L28 turbo/intercooled:385rwhp 390TQ:11.56@122

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#17 jessejames

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Posted 28 June 2012 - 10:02 AM

i'll post my dyno chart when i get back from work. sorry for the delay. It should be noted that im still using the factory sr20 ecu. so it has not been tuned. it just compares my stock turbo and my new one.
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#18 roger280zx

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Posted 05 July 2012 - 06:52 PM

Looking forward to a before and after toon comparison as well I hope.

#19 calpoly-z

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Posted 18 July 2012 - 11:39 AM

Seriously considering the 6758 for my build as well. I'm not looking to make a ton of power, but I want a very responsive motor. I love how quickly the stock T3 responds but not how inefficient it is at higher boost levels. I dont like that the 6758 only comes with a T25 flange but I know there are adapters out there for that. To bump up to a T3 flange requires going with the 7064 which seems like far more tubo than I need. A physically smaller turbo appeals to me as well due to the fact that I've got an A/C compressor mounted on that side of the engine too that has to be worked around. Plus the 7064 is about $300 more.

The ~$1500 for a 6758 really doesn't seem that bad considering there is no need for an external wastegate/plumbing (~$2-300), the intergrated BOV makes intercooler pipe routing clean and simple (~100), and the included boost solenoid is just one less thing to buy (~$40) and I can control it with MS (most likely). It was going to cost me at least $7-800 to get my stock turbo rebuilt and turned into a T3/T04E. Or I can spend an extra $6-700 and get a brand new state of the art turbo that should help me better reach my goals with a limited investment in time from me. (Time being the hardest thing for me to come by right now). Hell, I think I may have just talked myself into it. :)

Now the problem may be sourcing one. Most suppliers I've seen so far are out of stock.
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#20 roger280zx

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Posted 18 July 2012 - 01:32 PM

I've noticed where you used to read "sold out" or "out of stock" I'm now seeing "ships by August", hopefully that means BW has ramped up the aftermarket production division.




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