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Old 09-08-2006, 01:23 AM   #1
redrex2002
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Default help seriously considering an h6 swap

hey guys i keep reading about people running the h6 and considering i just read that with one 30r someone at 13psi was getting like 400 whp that sonds amazing i was wondering how much of a pita it would be to swap an h6 into an 2002 wrx would i have to modify the firewall fromt suspension drive shaft also who makes new internals for the h6 i need as much information as i can
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Old 09-08-2006, 06:54 AM   #2
sonic rx
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pdxtuning has done this .they would have answers to all of you questions
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Old 09-08-2006, 07:56 AM   #3
readymix
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Sorry, only people that use proper grammar, capitalization and punctuation are allowed to do H6 swaps.
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Old 09-08-2006, 08:39 AM   #4
SPOOLN STI
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Pdxtuning, Perrin, and Kingpin are all great places to start. I'm on the bandwagon myself and want as much info as possible. Just remember speed and power cost money. These builds are not very budget friendly (10k+ correct me if i'm wrong) and are still in the R&D infancy with power potentials. I haven't heard any 800+whp H6's yet but, it's only a matter of time and money. Good luck!
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Old 09-08-2006, 09:24 AM   #5
sonic rx
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Quote:
Originally Posted by readymix View Post
Sorry, only people that use proper grammar, capitalization and punctuation are allowed to do H6 swaps.
figured we would get a english teacher telling us how to use proper grammar in an automotive forum. you did provide some great info for this thread thanks . heres you forum you must be lost

http://www.english-forum.net/
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Old 09-08-2006, 09:48 AM   #6
SloRice
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to the OP...make sure you have about $15,000, because that's about what it's going to cost.
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Old 09-08-2006, 11:08 AM   #7
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Quote:
Originally Posted by SPOOLN STI View Post
Pdxtuning, Perrin, and Kingpin are all great places to start. I'm on the bandwagon myself and want as much info as possible. Just remember speed and power cost money. These builds are not very budget friendly (10k+ correct me if i'm wrong) and are still in the R&D infancy with power potentials. I haven't heard any 800+whp H6's yet but, it's only a matter of time and money. Good luck!
I agree with the first 2 because they have done what... 3, 2 for pdx and 1 for perrin. However, Kingpin seems to be working on at least 1... but still hasn't proved anything in the H6 realm.
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Old 09-08-2006, 11:41 AM   #8
redrex2002
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where is all this money comming from i am assuming the new internals wiring and getting the damn thing tuned but am i missing sompthing serioud because if it is going to cost 15k just to get the motor put in and running i will stick to my 2.5l swap i just like the idea of having a huge and wide powerband that i can get from the 6 cyl
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Old 09-08-2006, 11:52 AM   #9
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We are indeed working on 3 H6s here. The swap is fairly expensive, and here is why.

You need to put pistons and rods in to lower the compresion, and the rods are way to weak stock. You then also have to fully build the head, (spings, retainers, valves, buckets) becuase the stock h6 head is not up to the task of taking boost. Well, the h6 head will take some boost stock, but we are planning on runnig 35-50 psi via at leat a 40r if not a 42r.

You will also need a custom header to go from the h6 head to the turbo kit. We are working on having these made and jigged for mass production. There are 2 different h6 heads, and thus we will have 2 different headers available.

Then you need an engine management to run an h6. you will have to wire in the two extra coil packs and injectors.

You also need new engine mounts. You can use the engine mounts from the tribecca, but they are plastic ad weak. We are curently in the process of making billet aluminum engine mounts for the h6.

That's what comes to mind. But i may have missed something. All in all, you are not talking all that much more than a fully built 2.65 or something of the like. and the power you can make is far superior to the 4 banger, and well worth it to me.

I have torn down a bunch of the h6's, i'll round up all the pics i have and make a post so you can get an idea of what you are getting into.

For more info, feel free to call or email us here at Kingpin, as always, information is free.

Thanks

Scotty

Last edited by Kingpin; 09-08-2006 at 02:46 PM.
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Old 09-08-2006, 04:33 PM   #10
redrex2002
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thanks for all the information it is allmost like rebuilding a stock 2.5 for racing only you have to worry about 2 more cylinders the header and the wiring seem like they are the 2 biggest pita that was really helpful thanks
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Old 09-08-2006, 05:38 PM   #11
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The EG33 is a better motor to start with then the EZ30. Sure you have to modify the front to make room for it. The best part is the bore pitch is the same as a EJ22. It has decent internals to start with but off the shelf 2.2 parts fit without a problem.

You could build a EG33 for a little more than a EJ25.
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Old 09-09-2006, 12:49 AM   #12
redrex2002
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what engine is the eg33 is that the svx engine and if so how will the 2.2 components fit i dont want to argue but i am confused
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Old 09-09-2006, 03:31 AM   #13
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The EG33 is from the SVX . It can be argued which is better (EZ30 vs EG33). The EZ30 will fit easier and won't upset a wrx's balance. In my opinion the EZ30 has plenty more positives than the EG33.
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Old 09-09-2006, 08:58 AM   #14
LiquidForce
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Quote:
Originally Posted by redrex2002 View Post
what engine is the eg33 is that the svx engine and if so how will the 2.2 components fit i dont want to argue but i am confused

I thought about going that route in my SVX but then I read this:

http://www.subaru-svx.net/forum/show...highlight=ej22
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Old 09-09-2006, 12:48 PM   #15
kay95
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Thats about the only positives the EZ30 has. The eg33 isnt that much heavier though. Even if it was a 100 lbs which it is not. You can move things like the battery to the trunk to help with the weight. The one thing that the EG33 has over the EZ30 is strength. They will handle more power with less work. 400whp is possible on the stock longblock. Though that doesnt mean anything if you are going to build both motors up.

I would say for 6K you could have a nice setup if your willing to put your own time into it.

If you did a full build of the motor I am sure a displacement of 3.5+ could be achieved if you put the right size cylinder liners in because if it is a basic 2.2 casting with two more cylinders and different head you could theoreticly take to 3.75 with just a over bore to 100mm. This is all just my speculation but worth a look into.

Last edited by kay95; 09-09-2006 at 01:36 PM.
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Old 09-10-2006, 02:32 AM   #16
redrex2002
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allright i am a body man and i am trying to learn motors so i am catching all this it is just taking me some time what your saying is the eg33 is the svx motor which is more robust stock than the ez30 which is the tribeca motor but the ez30 is basically a 6 cyl version of the ej22 so if i was to build the ez30 i could order 6 ej22 pistons and rods and they would work? i think this is right i am confused
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Old 09-11-2006, 11:48 PM   #17
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bump for more info
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Old 09-12-2006, 04:36 PM   #18
kay95
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The SVX 3.3 is from a 2.2. From the Link to the SVX forum tells us that the pistons are different. I could have sworn the pistons in a NA 2.2 are taller than the deck like the SVX. I do believe the rods are the same as a 2.2.
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