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Old 12-04-2008, 09:01 PM   #1
EFI Logics
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Default EFI Logics EG33 Swapped GC8

First off, I'd like to say that Jack and I have worked at XX Tuning for the last 8 years, in doing so, both Jack and I left to start EFI Logics in Bethel, CT. When Jack came aboard, he brought with him his GC8 Frankenstein ST-2 Track car with him.

After loosing the stock EG33/SVX motor at Pocono North race last year due to oil starvation, the car is finally back in action. The car consists of so many one-off hand made parts, including an amazing oil pan made by "Bob The fabricator", in which he also did the head porting.

Last year, the car made 285whp and 250wtq with stock shortblock, Custom Ground WEB cams, and ported heads. This year, Jack upped the compression and cubic inches. The build includes:

2000 Subaru RS
BBS Brakes all around
JIC suspension
Custom Rear sway bar
Custom Front Sway Bar
Cage by Bob the Fabricator
Custom Dash with Autometer gauges

Engine / Management:
EG33 SVX Flat 6
Custom Ported heads
Manley Rods
Cometic Head gaskets
ARP Head studs
Custom Web cams
Supertec valvetrain w/ BMW Solid buckets
Modified Cam gears
Custom JE Hich Compression pistons - All machine work done by Larry's Automotive in Stonington, CT.
Stock Intake Manifold
Custom 8qt Baffled road race pan (Bob the Fabricator)
Meziere Electric Waterpump
Custom 1 3/4 Headers (Bob The Fabricator)
Custom Motor and Tranny mounts
Custom Air box (Bob the Fabricator)
Custom MSD Ignition
Balanced and Blueprinted STIi Injectors by Deatschwerks
Autronic SMC Engine Management tuned by EFI Logics
Autronic CDI box
Custom 5 speed gear box W/ RA Gear set and Cusco Tarmac Center diff from Fizz Autosports

There is probably more we are missing, but that is the most of it. The car was tuned today, on our Mustang Dyno, and produced a very impressive 320whp and 276wtq @ 8200rpm, SAE corrected. Dyno Graph (we are working on the bug with it going off the chart).

YOUTUBE VIDEO






















Chris - Owner / Lead Calibrator
XX Tuning's former Tuner / Shop manager


Jack - Shop Foreman / Head of Race Car development / Motorsports division
XX Tuning's former Shop Foreman


EFI Logics.com / MySpace / "New" Interactive Dyno Database
Subaru / Porsche / Mitsubishi / Ford / GM
Mustang AWD500SE - 60mph wind Dyno cell

8 Sympaug Park Road : Bethel, CT 06801
Phone: 203.748.1115


EFI Cars:
2000 EG33 GC8 3.3RS ST-2 #33 - Class Winner - No boost!
2004 STi ST-2 #777 - 3 Time Class Winner / Watkins Glenn ST-2 track record holder.
2004 STi ST-2 #27 - 8 Time Class Winner / 2008 Points leader.
2006 Evo9 ST-2 #42 - 4 Time Class Winner
2005 Evo8 ST-2 #101 - 2 Time Class winner
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Last edited by EFI Logics; 12-04-2008 at 09:12 PM.
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Old 12-04-2008, 09:40 PM   #2
Kostamojen
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Awesome!!!

Now I REALLY want to see a video of it in action on the track!
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Old 12-13-2008, 11:22 AM   #3
98skuby
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that sweet, i want that engine but in my car with a tubro. how is your rad. mounted? (i can't tell from the pic.)

james
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Old 12-13-2008, 02:16 PM   #4
dunk
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Any pictures of the dash?

thanks,

Duncan
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Old 12-13-2008, 05:36 PM   #5
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That N/A build doesn't seem very logical. That motor was designed to take lots of boost from two turbos.
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Old 12-13-2008, 05:50 PM   #6
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Quote:
Originally Posted by Arctic Assassian View Post
That N/A build doesn't seem very logical. That motor was designed to take lots of boost from two turbos.
No it wasn't
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Old 12-13-2008, 06:24 PM   #7
Jaxx
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whats the red line?
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Old 12-13-2008, 07:01 PM   #8
Arctic Assassian
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Quote:
Originally Posted by Kostamojen View Post
No it wasn't

Explain why the original concept, and pre-production test cars had twin turbos?

I have seen a polariod of the pre-production engine in the bay of the concept, sitting in japan. One of our techs went to japan to explain how he came up with the idea to change pistons in the car, and the tools he developed to do the job. They gave him the grand tour.
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Old 12-14-2008, 10:26 AM   #9
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Quote:
Originally Posted by Jaxx View Post
whats the red line?
8500Rpm
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Old 12-14-2008, 12:33 PM   #10
Bob the fabricator
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Quote:
Originally Posted by Arctic Assassian View Post
That N/A build doesn't seem very logical. That motor was designed to take lots of boost from two turbos.
Actually the N/A buildup is extremely logical. Jack races this car in a class that enforces a power-to-weight ratio rule. And it's a fairly well proven fact that for a given power output, a naturally aspirated car will almost always outperform a forced induction powerplant with the *same* hp numbers. There is zero lag, and the car can very successfully be throttle-steered mid corner via application or removal of throttle inputs. The car rotates extremely well.

Two turbos would put him in another class entirely, which would raise the overhead costs to operate/race the car. He'd need bigger brakes, bigger wheels, bigger and stickier tires, a stronger transmission, stronger rear diff, upgraded front and rear hubs, more maintenance, higher octane fuel, etc.

And besides, the N/A sound is worth the price of admission...

Bob
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Old 12-15-2008, 11:33 AM   #11
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Quote:
Originally Posted by dunk View Post
Any pictures of the dash?

thanks,

Duncan
I have this old pic from when the car first got the EG33 swap:

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Old 12-15-2008, 11:54 AM   #12
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Here are some more updated pics:









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Old 12-16-2008, 12:12 AM   #13
greg donovan
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Quote:
Originally Posted by Bob the fabricator View Post
Actually the N/A buildup is extremely logical. Jack races this car in a class that enforces a power-to-weight ratio rule. And it's a fairly well proven fact that for a given power output, a naturally aspirated car will almost always outperform a forced induction powerplant with the *same* hp numbers. There is zero lag, and the car can very successfully be throttle-steered mid corner via application or removal of throttle inputs. The car rotates extremely well.

Two turbos would put him in another class entirely, which would raise the overhead costs to operate/race the car. He'd need bigger brakes, bigger wheels, bigger and stickier tires, a stronger transmission, stronger rear diff, upgraded front and rear hubs, more maintenance, higher octane fuel, etc.

And besides, the N/A sound is worth the price of admission...

Bob
yeah, rules can make a person do some things that dont seem to make sense to the person quarterbacking from the couch.
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Old 12-16-2008, 01:59 AM   #14
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excellent build, very well done
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Old 12-19-2008, 03:34 PM   #15
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this car is very well put together ive seen this car in person many times if it were someway legal and had the $$$$ I would dump my ej-20 in a heartbeat over any turbo setup for a daily driver setup this would be a great allternative
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Old 12-19-2008, 04:03 PM   #16
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I love this car!! looks like a great build and definately an awesome powerband!!!

what's the weight on it? if you don't mind my asking.
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Old 12-20-2008, 01:02 PM   #17
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Quote:
Originally Posted by Homemade WRX View Post
what's the weight on it? if you don't mind my asking.
The last time I personally scaled the car it was just under 2750 lbs. But knowing Jack, it may be lighter than that already...
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Old 12-23-2008, 01:40 AM   #18
greg donovan
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Quote:
Originally Posted by Bob the fabricator View Post
The last time I personally scaled the car it was just under 2750 lbs. But knowing Jack, it may be lighter than that already...
that is pretty impressive.
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Old 12-23-2008, 11:28 AM   #19
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Quote:
Originally Posted by greg donovan View Post
that is pretty impressive.
Even better is the fact that the front end weight is where it is. The EG33 swap initially added 82 lbs to the front end weight. Over the past two years, Jack has managed to pare off not only those 82 lbs, but an additional 10. Some from sheetmetal trimming, some from relocation of parts, some from removal of parts. Regardless, the front/rear bias is decent. The last 'big dollar' item remaining to reduce front end weight is the swap to a GC8 WRX aluminum hood. That in itself should make a significant improvement in bias.

Bob
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Old 07-13-2010, 10:25 AM   #20
stallion91
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WOW! i am very envious. i hope one day my swap will sound THAT NASTY!!! ive seen the videos before i ever saw this post, and the one while it was on the Dyno made me think of a Ferrari or Lamborghini!

any chance you could give me an idea on how much it cost for these mods? and what do u mean custom intake mani? it looks stock to me? and can you run it in the rain? it looks to me like that air filter is right up in the scoop. stupid question i know, but idk if u have something special done to it.
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Old 08-08-2012, 10:30 PM   #21
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I seem to remember reading about this car being built along with the engine but I can't for the life of me find it. Anyone have a link? Thanks
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Old 08-09-2012, 10:03 AM   #22
Honest Bob
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I'm interested in a build thread too.
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Old 08-13-2012, 09:26 PM   #23
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sweet !
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Old 08-14-2012, 12:50 AM   #24
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EG33 Ftw!!
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Old 08-20-2012, 04:26 PM   #25
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do you guys still have this car?
I see a lot of the stuff you guys bring to the track but dont think I've ever seen this one before.
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