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Borg Warner EFR Turbocharger line

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#21 thehelix112



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Posted 18 July 2012 - 04:52 PM

I just reviewed the tech doc on the full-race site: http://www.full-race...botechbrief.pdf They sure look the goods to me. A lot of care seems to have been taken. If I ever turbo the VK56 I'll definitely be getting one or two of these suckers.


USA Daily:  2014 GT-R Black Edition, stock.

USA Dail..err..Project: 1978 280Z, minor suspension upgrades, VK56DE conversion in progress. - SOLD
AUS Race Car: 1973 240Z, L28ET, Autronic, GT35R. - For Sale
AUS Project: 1972 1600, 3200km old S15 SR20DET, ground up rebuild. - For Sale

#22 calpoly-z



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Posted 25 September 2012 - 01:06 PM

Really tried hard to get an EFR ordered for my car, but they are basically unobtainable. Most places are quoting a 4 to 8 month backorder. Quite a bit longer than I want to wait.

Looks like I'm going to end up buying a GT3071 with a 0.63 ar Ford T3 housing and use an ATP ultimate internal wastegate. Piecing this turbo together makes me realize how great a deal the EFR is. The garrett is going to be almost $1600 by the time I get the wastegate and actuator. And I'll still be short a BOV and boost solenoid. The 6758 is listed at around $1450 or so. Oh well. Should still end up with a great turbo for what I want out of my engine.
'77 280z w/ L28ET .75mm over, MSnSe1v3 , 3.7 LSD, 440cc Supra injectors, GT3071, intercooled, Eibach springs, 240sx trans, Vintage Air , etc.

Currently: Finally running/driving after 4 yrs down. Tuning and buttoning up all the random loose ends left over from a long term project.

#23 HK240ZT


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Posted 03 April 2013 - 08:47 AM

Hey jessejames, how about those dyno sheets?
Work In Progress...

#24 ArizonaZ


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Posted 18 May 2016 - 09:08 AM

I know that this is an old post, but I'm curious if there has been any more experience with these turbos. I see that the new EFR 7163 seems to be a great turbo for the Subaru guys. Looks like the performance of the 7064, but a spool time closer to the 6758. What do you guys think about fitting that on an L28ET?

#25 malibud


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Posted 19 May 2016 - 04:07 AM

I have a EFR 7064 on my L28. I really like it. Wish I could go a little smaller on the exhaust side but all in all a great turbo. Snug fit but it works. Spools quick but I cant wait to install ported header and refreshed head.  I don't have much to compare it to I had a Garrett with a 1.06 exhaust previously.

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