New BW EFR turbos coming soon through FR!!!!

[coldsubycz]

OT I am hoping my EFR is heading my way soon. It appears Full Race has received a shipment recently.

 

 

Any news on this? Did you get the parts yet? Really excited to see numbers, but more importantly shape of the dyno curve.

[Rester5350]

My EFR has shown up at the shop. I can not wait to check it out this Friday. I also received my build estimate !!! Hopefully I can get some pics when I get back into town.

[Bbc84]

My EFR has shown up at the shop. I can not wait to check it out this Friday. I also received my build estimate !!! Hopefully I can get some pics when I get back into town.

 

 

what kinda build are you doing? list of parts? got some prices? Im thinking of going EFR too and maybe the Full Race kit.

[Rester5350]

Oh snap!!!

[Rester5350]

what kinda build are you doing? list of parts? got some prices? Im thinking of going EFR too and maybe the Full Race kit.

 

I am going with a benson sleeved and o-ringed sb, forged internals, stage 2 cam, +1 valves and all of the associated head work, rotated ts full race kit, full race fmic. That's the abbreviated list. I'm still looking into intake manifolds. I thought about going with independent throttle bodies but they would be more work then I care to take on right now. I will try to start my build thread this weekend.

[KGB]

Awesome Pict - thanks for sharing!

 

So, I pulled the trigger on a smaller 6258 with complete Full Race kit and All the supporting fuel and intake/exhaust upgrades.

Should take 4-6 weeks to get all the parts and build up and tune the car at Yimi.

 

Thanks for Geoff@FullRace & Paul@Yimi for their time & patience explaining it all to help guide me toward the optimum decision for my tuning goals.

 

Next, after I have (blown and) rebuilt my 5EAT tranny for higher tq & hp

(Hexmods, are you going to be ready soon to help?)

the tentative plan is to upgrade up to the soon-to-be-released EFR 7163,

if the final version does not have significantly slower spool (than the earlier versions.)

 

Also, as soon as the EFR turbo is in, many other high end parts will be coming off the car and going for sale, if anybody is looking for a VF40, VF52 and AVO380, all with ~10K miles each, excellent condition, no shaft play, professionally installed & maintained with Mobile 1.

Also, PnP cast manifold, including PnP crosspipe.

AVO TMIC

Cobb DP with HFC and

New Cobb UP (just put in after Invidia cracked after less than 15K - don't ever get Invidia anything!)

and a few other things; DW 850, W fuel pump, etc.

I never race, this is a daily driver car.

All reasonable prices (base on past recent sales,) will be considered - PM me...

Bay Area potential customers can come and inspect the parts.

 

I'll keep all updated on the build progress and results.

[mwiener2]

New Cobb UP (just put in after Invidia cracked after less than 15K - don't ever get Invidia anything!)

 

Try one with a flex section.

[SBT]

Oh snap!!!

 

Hol-ee crap, that thing is farkin huge.

[Rester5350]

Hol-ee crap, that thing is farkin huge.

 

 

That might be the first time in my life anyone has said that to me and it was true.

[SBT]

[acumenhokie]

Do you two need a room?

[Rester5350]

What's up Chris? I had to leave it at the shop, other wise I would have needed a room. My wife would have kicked me out because I wouldn't have been able to put it down.

[SBT]

okay - that right there is not a good sign...

[ClimberDHexMods]

Awesome Pict - thanks for sharing!

 

So, I pulled the trigger on a smaller 6258 with complete Full Race kit and All the supporting fuel and intake/exhaust upgrades.

Should take 4-6 weeks to get all the parts and build up and tune the car at Yimi.

 

Thanks for Geoff@FullRace & Paul@Yimi for their time & patience explaining it all to help guide me toward the optimum decision for my tuning goals.

 

Next, after I have (blown and) rebuilt my 5EAT tranny for higher tq & hp

(Hexmods, are you going to be ready soon to help?)

the tentative plan is to upgrade up to the soon-to-be-released EFR 7163,

if the final version does not have significantly slower spool (than the earlier versions.)

 

Also, as soon as the EFR turbo is in, many other high end parts will be coming off the car and going for sale, if anybody is looking for a VF40, VF52 and AVO380, all with ~10K miles each, excellent condition, no shaft play, professionally installed & maintained with Mobile 1.

Also, PnP cast manifold, including PnP crosspipe.

AVO TMIC

Cobb DP with HFC and

New Cobb UP (just put in after Invidia cracked after less than 15K - don't ever get Invidia anything!)

and a few other things; DW 850, W fuel pump, etc.

I never race, this is a daily driver car.

All reasonable prices (base on past recent sales,) will be considered - PM me...

Bay Area potential customers can come and inspect the parts.

 

I'll keep all updated on the build progress and results.

 

Myself and Adam at ACME will be ready to build you much better 5EAT internal assemblies when yours eventually wear out. Adam does the clutch packs, and he has the extremely fine attention to detail that is necessary to get the machining tolerances correct. By this standard, the stock 5EAT clutch packs are out of spec from the factory, which is why some clutch packs wear less than ideally.

[LittleBlueGT]

Back on track. What happened to LBGT? This was his thread. I remember him talking about selling the LGT and getting an STi but I have not heard from Benjamin in a LONG time now.

 

Been driving a minivan for 2 years.

 

Just got the suspension pretty much wrapped up on a 2013 STI (didn't get a GTR, not cause of money, but because it didn't work for my life). I have a FR 6758 kit sitting at a parcel warehouse just south of the 49th. I plan to get it in 2 weeks.

 

My set-up will be fairly simple, but effective I hope:

 

-pump gas

-ID1000s

-DW pump

-Perrin inlet

-AP ATR

-FR 6758 kit w/ their not really 1.5 scroll header (just like a Perrin header, but thicker) c/w HFC (heat-coated and wrapped)

-Maddad Whisper CBE

-KStech 73mm CAI

 

And I think that is it:

-stock TMIC

-still have TGVs

 

I kinda think that the 6758 will spool just as good as a VF52 (for you LGT guys). Perrin's test seemed to indicate that, and there was probably an issue with the TGVs, but maybe not.

 

At any rate, even if it spools slightly slower then a VF__ I think it might actually feel better. What? Let me explain.

 

Just because on a long run in 3rd gear XX turbo reaches XX boost at XXXX rpm, doesn't take into account the turbos rotating assembly's mass. With the EFRs much lighter turbine wheel, it should react faster. This may mean that in 2nd gear or 1st it reaches XX boost faster then a VF__. IDK for sure. It may also mean that it responds faster, so you are in traffic at 25 mph in 2nd then go WOT, maybe it will react faster then a VF__.

 

Hard to say for sure, but I intend to display all results.

 

I have a local with essentially the same car (stock turbo, headers, CBE, stage2.....) and we will do back-to-back road logs, same day, same weight, same gas, same tuner, (me) etc......

 

If the 6758 spools the same, I will show that. If it spools 200 rpm slower in 3rd gear, but yet feels better. I intend to figure out a way to consistently log that and show why.

[m sprank]

Good to see you are doing well. Love to see some results from the new build.

[LittleBlueGT]

These pics are from my actual manifold:

http://www.full-race.com/store/images/full/subaru-wrx-sti-ej20-ej25-prostock-2-bolt-1-5scroll-lower-turbo-manifold-content-10.jpg

http://www.full-race.com/store/images/full/subaru-wrx-sti-ej20-ej25-prostock-2-bolt-1-5scroll-lower-turbo-manifold-content-13.jpg

http://www.full-race.com/store/images/full/subaru-wrx-sti-ej20-ej25-prostock-2-bolt-1-5scroll-lower-turbo-manifold-content-12.jpg

 

I am the first to have a bung put in the manifold. I will likely run the stock O2 sensor in the DP, but now I have the option. (I can also use that option to run an EGT sensor too) I guess I have three O2 bungs, two in the DP (one for stock one for WB, and one in the manifold).

[Th3Franz]

LBGT lives! Are you on the stock long block?

[LittleBlueGT]

LBGT lives! Are you on the stock long block?

 

Car only has 1500 miles on it. So, yes.

 

I drove 1000 miles on it completely stock (power-wise, which sucked) and then had the dealership do a comp/leak-down test, which came back stellar.

 

Now just stage1 (doing per gear timing/power). I plan to target 21-22 psi tapering to 19-19.5. I expect to see about 370 whp on the airboy with this set-up on my E10 94 gas, in 60-70F temps. That should be good 400 dynojet whp. Or at least I hope.

 

Just trying to keep things simple. If I find it isn't enough I may go alky kit, but that is about it.

 

I know I could push things to 26/27 tapering to 22/23 and make more, but then I think I will be pushing the stock block too much.

 

Nice thing about I-drive is I can have I set at WG spring value (15 psi) S set to my targets above, then maybe do S# a little higher. On a road-course it will just be S, but sometimes the odd pull with a bit more torque is nice.

 

I expect to not push things near as much as I did with my other set-ups, so I do plan on the stock block lasting me a long time. I just don't have the time to mess with things too much, so I need to keep it conservative.

[KGB]

Just a bit of an update: my car is at Yimi for the EFR 6258 install,

hope to get it back in 2-3 weeks after all the parts are broken in and any issues are worked out, will update again then.

Had a chance to examine the Full Race supporting mods (manifold & UP) -

metal is thicker and the welds look more substantial compare to my previous Cobb and Invidia HW, no issues with Cobb - happy with them but

I had the Invidia UP develop a crack after a year of daily driving application and they would not replace it

Full Race has a lifetime warranty and hopefully it'll also keep more heat in as well as lower the noise.

Also added an APS metal inlet pipe to the build in place of my current one from Perrin.

Initial Impression w/Yimi- these guys jumped to work on my car quickly - had most of the old parts out

and inspected while I was still there chatting with the techs - Paul did a lot of the shop work himself -

one has respect for a tuner that likes to get his hands dirty.

More soon...

 

Q: Any other 6258 Subaru installs out there?

[Bbc84]

Does Full race now have a direct bolt on twinscroll kit for the LGT's? or does it still need to be customized to fit?

[KGB]

EFR 6258 & Full Race Kit & Exhaust Manifold install & Tune by YimiSports -

a (preliminary) Update:

 

Paul@Yimi has completed the installation and the tune (both 91 and E85)

I picked up the car and drove from LA back to Bay Area ~ 600ml via HW395.

 

I plan to write a detailed review covering the my impressions of this install, performance, reliability, etc., covering the recent work done by Yimi as well as my prior mod experiences & lessons, etc.

This will have to wait until I have had a chance to put the current setup through some testing but

here is a short 1st impression for all those who were waiting:

 

The workmanship and the attention to detail by Paul @ Yimi is 1st class - almost OCD - like.

Versus VF52 with supporting mods, the performance of EFR 6258 is much more linear - the boost & pull come on perhaps 200rpm earlier then continue to build up VERY LINEARLY all the way to ~6Krpm. Some may find missing the non-linear response of the VF52 which gives a false impression of it being more powerful than it actually is because of its non-linear torque & power delivery.

The linearity of the EFR 6258 masks its power potential - it does not kick you in the butt like the VF52 but just pushes you in the back all the way to redline without relenting. The build up of speed tells the true story which is, in my qualitative impression, that the EFR 6258, burning crappy Cal91, matches the torque & hp of a VF52 running E85 and it does so in a much more linear fashion - almost naturally aspirated - like.

 

That (above) was my primary goal for this build project and I am satisfied that it has been achieved - thank you Paul, Sean, and the rest of the Yimi techs as well as special thanks to Geoff@FullRace for patiently answering my many questions & responding to my concerns.

 

Now for the best part - on E85 the car transforms into a Corvette - devastating machine - there is a ~22% more whp and over 32% more torque. When I floor it, the car squats as it lunges forward with momentum that is building and building and... well, at over 120mph I was still accelerating at a pretty intimidating pace.

Another point of comparison would be that at HW speeds, when I floor it to pass, the acceleration from say 60-100+mph is as brutal & fast as I have experienced driving a MB E63 with its 6.2L V8 - no kidding - it is not for the meek.

Once the boost threshold is reached, my Subaru now feels as, if not more, powerfull than my Audi S5 (which itself has an upgarded Supercharger and a Stage II SW for both the Engine and the Dual-Clutch Transmission by GIAC.)

 

If you have easy access to E85 and can afford the costs to do it right without cutting corners I recommend you to consider this mod.

 

An important note - my car is a 5EAT Automatic with a VB modified by HexMods & auxiliary cooler.

Anybody considering having similar modifications done - please do not even think about it without bullet - proofing your transmission first - without at least an upgraded VB the EFR 6258 running E85 will destroy your 5EAT, probably while still on the dyno.

 

My next steps/mods are to quiet down the whistling sound coming from the intake side at partial throttle (any suggestions on how to accomplish this?) and then, after rebuilding my tired transmission to handle even more power, potentially upgrading up to a EFR 7164 - which I expect to spool up ~500rpm slower based on all available data and so I plan to commensurately raise the stall speed of my torque converter to compensate - I welcome comments and suggestions on this important mod - thank you in advance.

 

A complete review will come out in the near future after I get upgraded tires and have had a chance to push the car and nourish my empty bank account with some devastated muscle car onwers' egos.

 

Responsible drivers who live in the Bay Area and who are seriously considering doing a similar mod - I'll trade you a cup of coffee for a ride.

 

For additional details & a few pictures you can check the YimiSport website.

[Rester5350]

I am excited to read the full write up. Can you post some pics of your setup and graph?

[Rester5350]

Never mind my last request.

[LittleBlueGT]

Love to see graphs.

 

Also, is the whistling coming from the integrated BPV? Jeff from Perrin performance said this was sometimes an issue, and he drilled out the comp housing to solve that.

 

Any more details on the whistling would be appreciated.