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Old 04-08-2005, 04:25 AM   #1
PHATsuby
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to stock is a project too

Cool PHATsuby's crazy project

Well, Ladies and Gentlemen, I regret to inform you that I will be returning my currently turbo'd 2001 Legacy GT back to NA form. Don't worry though, it is only a temporary situation as I implement my latest new project. In my continuing aspiration to be singularly unique and creative at the same time, I have purchased the following item:


What you see before you is none other than a JDM EZ30R 3.0L H6 engine. Identical to the new 05 3.0L legacies, it is equipped with delicious tri-port exhaust heads(the "R" designation) as well as AVCS, AVLS and Drive By Wire throttle body.

This engine comes with 250hp stock, which is nothing to scoff at. However, I am dumb enough to add a little forced induction to those six cylinders in an attempt to acheive some SICK HP figures.

I plan to build the bottom end up with new rods and lower compression pistons(the stock 10.7:1 compression ratio does not allow very high boost levels). I also plan to replace the current composite(plastic) manifold with a reversed aluminum one designed by myself to accomodate a FMIC. Engine management is KEY but has not been fully laid out due to uncertainties, however it will almost certainly be one of the OEM H6 ecu's with a SM4 autronic ecu controlling vital engine functions. Turbo selection is also undecided at this point, i will have to compare more compressor maps, but I am thinking of some type of GT35R variant. I will be doing some porting and port matching to smooth things out and help flow, as well as some smoothing on the lubrication channels also.

I hope for big things from this setup, hopefully 500whp/500wtq+ on pump gas. I am not making that a statement of "i will" merely a statement of "i hope"

I will be doing all the fabrication(for the most part) and hope to begin the build this summer. It will likely be a long process but I will try and keep this updated.

Just thought I would share my ideas with the fellow legacy crowd, I am super excited

EDIT:MORE PICS ADDED, POST 59, 60.



Ben
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Last edited by PHATsuby; 04-12-2005 at 11:07 AM. Reason: more pics
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Old 04-08-2005, 04:29 AM   #2
subiekid
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All I can say is ****. That sounds bad ass.
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Old 04-08-2005, 04:45 AM   #3
flanders
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What are you doing with your old motor?

You are crazy!
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Old 04-08-2005, 04:49 AM   #4
PHATsuby
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Quote:
Originally Posted by flanders
What are you doing with your old motor?

You are crazy!
old motor will get sold after its not needed anymore, prob wont be for a while though.

Yes, I am crazy I have been told multiple times

thanks subiekid, i hope it is cool as well.

Ben
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Old 04-08-2005, 08:06 AM   #5
iamrazor
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noice!
glad to see more pioneers is the legacy arena!

keep us up to date!
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Old 04-08-2005, 08:08 AM   #6
xcntrk75
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You Crazy bastard…

That’s going to be one sick ride. Good luck with this conversion and keep us all up to date. I’m sure you know there’s a couple folks doing this right now in the conversions forum(?). Looks like you may also need to add a custom cooling system to your laundry list…
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Old 04-08-2005, 08:11 AM   #7
JoeT
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See the effects of not being "able" to go get a girlfriend. LOL


Quote:
Originally Posted by PHATsuby
old motor will get sold after its not needed anymore, prob wont be for a while though.

Yes, I am crazy I have been told multiple times

thanks subiekid, i hope it is cool as well.

Ben
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Old 04-08-2005, 08:23 AM   #8
PHATsuby
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iamrazor-thanks will do

xcntrk-yea, there are a couple others doing the swap also. You do know I was the first to think of doing it EVAR!!!!!11 JK. Custom cooling system eh, I will have to go read that.

Joe-Yep I am a prime example of lack of GF, I have no GF to spend time or money on so I think of crazy car ideas. However, I would also like a GF as well as my sweet car, I'm working on it.

Ben
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Old 04-08-2005, 08:33 AM   #9
cardin555
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Legacy omg!!!

Ben.....you are outta your tree!!!

Having said that, I respect this very ambitious project. You gonna keep the 6 speed behind it? If you get a chance, email me about the 6 speed swap into the Legacy. I found a 2000 Rio Red GT sedan but its automatic (but a hell of a deal).

h6 6 speed?
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Old 04-08-2005, 08:56 AM   #10
iamrazor
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would that be H6^2? (squared?)
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Old 04-08-2005, 10:33 AM   #11
pdi180
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.... you are my hero. All the things I dream about, you do. (Of course I dont have the skills or money, but still, I dream.)
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Old 04-08-2005, 11:15 AM   #12
fibuz
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Quote:
Originally Posted by pdi180
.... you are my hero. All the things I dream about, you do. (Of course I dont have the skills or money, but still, I dream.)
couldn't have said it better myself...good luck with the project and take good notes and photos for the rest of us!
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Old 04-08-2005, 11:24 AM   #13
PHATsuby
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Cardin555-What's up Erik, yea I am gonna keep the six speed. I'll shoot you an email right now. six speed H6T baby, LOL. Of course, you know what this means, subaru will now come out with a turbo H6 six speed legacy

iamrazor-i think you are right

pdi180-haha, thanks for the kind words, to an extent i dont really have the skills either(well i guess i do more so now) my whole point in these projects is to learn really, and i try to keep cost down as much as i can, even though it seems ridiculous, i do. Thats why i am gonna do my own fab, cause i really want to be good at it, plus it saves me money

Ben
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Old 04-08-2005, 11:30 AM   #14
iamrazor
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so can we use you to source WRX motors or just tranny's??
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Old 04-08-2005, 11:42 AM   #15
PHATsuby
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Quote:
Originally Posted by iamrazor
so can we use you to source WRX motors or just tranny's??
Both, but unfortunately(if it matters) only USDM drivetrains, no true JDM ones, I actually got this motor from Gruppe-s, great guys to deal with. PM if you want more info.

thanks
Ben
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Old 04-08-2005, 03:30 PM   #16
suby2low
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that is just awesome to say the least
if u get this done PHATsuby= the man
good luck take good notes and pics
cant wait to see the progress
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Old 04-08-2005, 03:48 PM   #17
KD7000
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That's a tremendous looking project! Sounds fun.

But I gotta wonder about this:
Quote:
Originally Posted by PHATsuby
I hope for big things from this setup, hopefully 500whp/500wtq+ on pump gas.
500 hp is kinda ridiculous. Sure, you could probably do it, but your car will barely be streetable, and it'll likely have a very short lifespan. And could you really get that number with pump gas?

Is it going to be a drag / track-only car?

-Brian

Last edited by KD7000; 04-08-2005 at 04:25 PM. Reason: removed hyperbole!
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Old 04-08-2005, 04:07 PM   #18
SlvrRS
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I wouldn't say NEVER be streetable......

i think 500/500 is doable, esp with a Gt35R of sorts (or maybe a GT40?), built bottom and ported heads. That thing will hold together if it's done right....it's the rest of the car that will need attention, prob. needs some chassis reinforcement I'd think (braces etc.). Diffs, driveshafts, axels (in no particular order) are the other weak points when you get to that high power range with subbies. That thing should be a torque MONSTER.

Good luck with the project! That is one hell of an idea.

-Matt
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Old 04-08-2005, 04:21 PM   #19
KD7000
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Eh, you're right. Never is probably a bit of hyperbole. Edited my post.

I wouldn't want to use a 500hp Subie as a daily driver, that's for sure!
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Old 04-08-2005, 05:19 PM   #20
PHATsuby
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SlvRS has it, at those levels i am gonna need reinforced axles for sure, at least Sti axles for a while.

KD7000-really, no 500hp daily driver? personally i think it could be fine as a daily driver in all honesty, its all in the tune. You are correct it isnt practical, but I knew that going into it. One of the driving factors behind this project is to put my abilities on display for others to see as I hope to use my legacy as a shop car for my future shop, so this can be a driving example of my expertise(or I hope it is)

Ben
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Old 04-08-2005, 07:33 PM   #21
no good
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hey phatsuby,

what other parts besides the accual tranny did you need to swap out a 5spd for the 6spd. also where did you find all the parts and such. anyway man, thanks alot for the info.

Later
Matt
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Old 04-08-2005, 08:31 PM   #22
cardin555
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No good- Phatsuby's car was originally an automatic
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Old 04-08-2005, 09:13 PM   #23
Gator GT
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oh
my
goodness
!

Phat, that is one helluva mountain to climb! But, from what I've seen so far, you are the mind to tackle this. Good luck and you best keep up posted...with pics!

insane, absolutely insane.....yet sexy at the same time.....how well twisted!

GGT
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Old 04-08-2005, 09:20 PM   #24
subiekid
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How much does that motor weigh?
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Old 04-08-2005, 10:01 PM   #25
rogerd
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Whether you can keep the rotating bits in the crankcase at 500 hp is still to be seen - as is whether a Subaru tranny can cope with than power (I doubt it) but good luck!
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