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Old 10-20-2007, 08:46 PM   #1
mxpunk
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Default Has anyone hit 1000+ WHP on any EJ motor?

has it been done? i looked through unabombers thread about it but i dont think anyone said they had reached 1000 except for some austrailian dude..

also; what is the limiting factor in making a H4 reach these power levels? Plenty of B & K series honda motors have hit this mark I believe..and I know plenty of DSM's have too.
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Old 10-20-2007, 09:11 PM   #2
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If I had to guess off the top of my head, I would say ESX.
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Old 10-20-2007, 09:38 PM   #3
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1k is seriously stretching it on any 4-cylinder, with the exception of all-out race motors. It isn't like the 1000hp Supras and stuff like that. Most of Nasioc's "high horsepower" EJ's are 2.5's with around 750whp. But that doesn't mean it can't be done! And like nxttruck2002 said, esx has a couple drag cars that have to be pushing over 1000hp, as well as that Tony Rigoli Racing (the Aussies you were thinking of...here's one of their 7-second Subarus http://www.youtube.com/watch?v=1XP8_K2Ryk8)
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Old 10-21-2007, 10:16 AM   #4
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what austrailian guy hit 1000?...if you are reffering to rigoli...I'm sure he could do it on a dynojet
his dyno must read incredibaly low...his EG33 witha GT52r (or whatever) is only mkaing 790'ish on their dyno.

I'm going for it on a 4banger...

Last edited by Homemade WRX; 10-21-2007 at 09:52 PM.
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Old 10-21-2007, 10:17 AM   #5
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Quote:
Originally Posted by nxttruck2002 View Post
If I had to guess off the top of my head, I would say ESX.
I will bet they haven't if they are still following the NHRA 72mm inducer rule for their turbo.
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Old 10-21-2007, 03:51 PM   #6
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Rigoli definatly has. Then again it always seems to depend on the dyno. They do have an incredibly low reading dyno. There current 6cyl drag car did dyno the 700 something hp they have listed on there site but that was a while ago. Sam rigoli told me that they no longer will dyno that car because it makes so much power that they are not comfortable strapping it on the dyno for fear it will come loose. As far as there older 4cyl that went low 8's - That car also made power in the 600 range on their low reading dyno but by the end when they were running the real low times they had 2 stage nitrous on that car and were running a 200 shot that they never dyno'd. So who really knows. It seems that a lot of the really fast companies either don't list there dyno #'s or don't even dyno their cars. John Shepherd in the DSM world for example has to be making over 1000k at the wheels in his eclipse but he doesn't get on the dyno because he says every time he has in the past he has blown the motor or broken something. ESX doesn't say. Rigoli says, but their #'s are way low.

Then there are people like me that want to have the highest #'s possible so they can go into the proven power bragging forum and do some bragging
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Old 10-21-2007, 05:06 PM   #7
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I've hit 1000+whp in my '86 GL, no big deal
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Old 10-21-2007, 08:20 PM   #8
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i bet i make 1000hp in a school zone.
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Old 10-21-2007, 08:39 PM   #9
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there are several in the 800 range now
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Old 10-21-2007, 09:04 PM   #10
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There's a thread about an indepently owned STI that hit 800 (meaning, some random guy, not a shop or race team). I'm sure if he got it that high, other's can get it higher.
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Old 10-21-2007, 09:42 PM   #11
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Quote:
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there are several in the 800 range now


...
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Old 10-21-2007, 09:54 PM   #12
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There's a thread about an indepently owned STI that hit 800 (meaning, some random guy, not a shop or race team). I'm sure if he got it that high, other's can get it higher.
suby44 = mitch...quite a nice privateer setup
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Old 10-21-2007, 10:57 PM   #13
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Quote:
Originally Posted by nxttruck2002 View Post
If I had to guess off the top of my head, I would say ESX.
Yep. Their full meth engines made 1040+hp in '05. Cosworth built them for ESX.
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Old 10-22-2007, 12:04 AM   #14
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Yep. Their full meth engines made 1040+hp in '05. Cosworth built them for ESX.
oh yeah...forgot about that big custom build that cossie did for them...then the car never did anything...are we counting meth/alky motors as they have a big advantage...gasoline makes things harder
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Old 10-22-2007, 12:43 AM   #15
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I would be happy with half that.
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Old 10-22-2007, 06:52 PM   #16
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Ill ask homemadeWRX since he seems to be the only one who contributes any worthy data here;

whats the limiting factor in the boxer engine? is it really the development time that say..the 4G63T has (20+ years) or is there something else with the flat 4 thats holding it back?
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Old 10-22-2007, 07:10 PM   #17
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well, I think finding "what works" and what doesn't is still where the subie community is right now. We really only have 5 years focused on them stateside (neglecting playing with 2.5RS's pre-02) and Rigoli and MRT are the only major shops that I can think of that had been trying to make monstrous power (and MRT not so much, they still primarily rallied).
the 4g63/4 community has had 20+ years of running basicallyeither a 2.0 or s 2.3...a 1.7 or a 1.5 rod ratio...that then makes it fairly easy to focus on what cam profiles and manifolds work well together on the given motors and for what purpose. They also really have been large on making big power longer.

As Jeremy@cobb, Nick@JE, SHRDavid, KitoAutosport, Suby44 (mitch must know something about an engine ) or many other knowledgable engine guys on here know, it takes time to find the problems and hang ups in a motors design and work them out.
Some others just slap big engines with big turbo's together and hope for the best...that doesn't find issues to be solved so much as it gives a chance to trip over a solution.

I'm still curious to see if AMS will really commit to the subie community or just slap bolt ons together and see what happens.

I don't really consider myself to be an expert on the subie motor inparticular, as I've built far less than cobb or i-speed and I haven't been able to R&D any of my builds as they haven't had issues...now I'm looking to build a crazy project enigne of my own and doing many tests to find points of improvement...big issue with me is proper cams, intake and exhaust manifolds. I also have some nice tools to really get into some of the projects I've wanted to do on our engines for a while. Our dog leg exhuast ports have always seem to be a limitation but david says his dogleg port is actullay outflowing his straight port now...?...Our heads of course require more work and effort than a 4g63 head and are still a limitation.

The cost of having a subaru drivetrain hold that kind of power also hinders the number or testers (people trying to make large power) in comparison to the mistu side. AMS still runs stock gears, shep treated, but stock no less on there 1050 whp drag car. Which is now trapping 170+mph lots of catching up to do.

This has all just been my opinion on the matter.

Last edited by Homemade WRX; 10-22-2007 at 07:32 PM.
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Old 10-22-2007, 07:41 PM   #18
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Quote:
Originally Posted by Homemade WRX
Some others just slap big engines with big turbo's together and hope for the best...that doesn't find issues to be solved so much as it gives a chance to trip over a solution
Gonna have to go with homemade on this one a bit. It seems that the Subie community is stuck on the bigger displacement = more power line of thought. I am not saying it is the wrong way to go, but you have Evos with 2.3L engines hitting 1000hp consistently.

There are many shortblock configurations that are possible with subies. Someone needs to build a sufficiently strong lower end and then spend time working on the upper end (cams, heads, manifolds, etc.) until they reach the 1000hp number

The smallest garrett turbo rated for 1000hp is the GT4202R. Lets see some more 42Rs on subies and we are bound to figure it out
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Old 10-22-2007, 07:46 PM   #19
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Gonna have to go with homemade on this one a bit. It seems that the Subie community is stuck on the bigger displacement = more power line of thought. I am not saying it is the wrong way to go, but you have Evos with 2.3L engines hitting 1000hp consistently.

There are many shortblock configurations that are possible with subies. Someone needs to build a sufficiently strong lower end and then spend time working on the upper end (cams, heads, manifolds, etc.) until they reach the 1000hp number

The smallest garrett turbo rated for 1000hp is the GT4202R. Lets see some more 42Rs on subies and we are bound to figure it out
you've read my mind for my build
4202r, less displacement than a EJ257 and a real long rod setup...the stroke/crank is well, still hush-hush at the moment. The un-heard of combustion chamber changes that will occur are on the same lines of the crank...
I'll be playing heavily with manifolds, cams and high rpms.

I like efficiency and therefore doing more with less.

Last edited by Homemade WRX; 10-22-2007 at 08:02 PM.
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Old 10-26-2007, 07:49 PM   #20
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SO will 1000 whp snap axles from a 20 mph roll??
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Old 10-26-2007, 08:50 PM   #21
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SO will 1000 whp snap axles from a 20 mph roll??


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Old 10-28-2007, 01:09 PM   #22
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Quote:
Originally Posted by Homemade WRX View Post
... Our dog leg exhuast ports have always seem to be a limitation but david says his dogleg port is actullay outflowing his straight port now...?...Our heads of course require more work and effort than a 4g63 head and are still a limitation.
....
are you serious ??? thats actualy some good news. I would love to get into some Porting work in the future, and always thought that our head design was really inferior to other "straight" port designs...

But I guess straight ports doesn't exactly do all that much to keep up velocity and flow ? its more about smoothness and diameter transition?

do you have any links to the straight port vs dog leg port work ?
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Old 10-28-2007, 02:18 PM   #23
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he hasn't let any of his numbers out but he said his dogleg is outflowing the straight port...he's running off of a simply theory/design for the port too...my kudo's to him on it...I can't wait to see what I can get once I get to starting playing seriously with my heads.
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Old 10-28-2007, 02:58 PM   #24
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he hasn't let any of his numbers out but he said his dogleg is outflowing the straight port...he's running off of a simply theory/design for the port too...my kudo's to him on it...I can't wait to see what I can get once I get to starting playing seriously with my heads.
awesome... You'll definatly have to keep us updated.

any tips on where to start with learing how to port? Good tools to get?

I would like to get a "sonic reader" for checking wall thickness (as to not go through the wall )
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Old 10-28-2007, 03:42 PM   #25
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we have a whole thread that david himself had started way back...

http://forums.nasioc.com/forums/showthread.php?t=973620
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