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Old 03-02-2010, 11:24 PM   #1
geronimo81
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Join Date: Jul 2007
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1996 Turbo Outback
9psi on 91 No EM

Question Has anyone open source tuned ej22t + wrx heads/manifold?

I may soon have the opportunity to do this swap into a 93 impreza l or 96 obs. I have both cars now.
I found a 91 legacy ss for $500 (whole car)

I plan on just doing a stock swap to start and then aquire the necessary parts to build the hybrid motor. I don't live near any tuners but have a friend who open source tunes his own wrx.

I searched but did not find anything specific to this setup.

Thanks in advance
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Old 03-03-2010, 12:13 AM   #2
FuJi K
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Old 03-03-2010, 09:57 AM   #3
69subaru360
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I tuned an EJ22E shortblock with wrx heads/heads/manifold/ecu. It's no different than tuning any other wrx, make adjustments till it's right. Start conservative on boost timing and fuel and work your way up. That combo liked less timing. With an EJ22T it's going to have really low compression I think 7 to 1 so it may like more timing.
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Old 03-03-2010, 11:21 AM   #4
Jaxx
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open source tunes only work on 2001+ cars

the older ecus are chip based
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Old 03-03-2010, 06:53 PM   #5
oldskoolWRX
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Quote:
Originally Posted by 69subaru360 View Post
I tuned an EJ22E shortblock with wrx heads/heads/manifold/ecu. It's no different than tuning any other wrx, make adjustments till it's right. Start conservative on boost timing and fuel and work your way up. That combo liked less timing. With an EJ22T it's going to have really low compression I think 7 to 1 so it may like more timing.
no, it actually has a bit more compression with wrx heads, chamber size is smaller than the stock 22t head (primarily due to the bore discrepency). if it has forged pistons, it can even be higher as most forged for the 22 are several thousandths positive of deck height and require a specific head gasket.

as for open source tuning, the chip ecus do not work that way. there is a vendor on bbs.legacycentral.org working on a user programmable interface that replaces the ecu "chip", similar to a moates "ostrich", but specific to the ej22. downside is, he hasn't responded to my last 3 emails and the system was supposed to be available at the end of last year. timmy p on here has a user interface on his 94 turbo wagon with ej25d heads and a td04, you may want to pm him.
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Old 03-03-2010, 08:45 PM   #6
geronimo81
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Sorry, I should have been more specific about which ecu I plan on using.
I will be using a wrx ecu along with the heads and manifold.

I definitely want to do forged pistons as this seems to be the weak spot in the ej22t.

Plus I know I will want to keep cranking up the boost on this setup
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Old 03-03-2010, 09:46 PM   #7
FuJi K
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Quote:
Originally Posted by oldskoolWRX View Post
no, it actually has a bit more compression with wrx heads, chamber size is smaller than the stock 22t head (primarily due to the bore discrepency). if it has forged pistons, it can even be higher as most forged for the 22 are several thousandths positive of deck height and require a specific head gasket.

as for open source tuning, the chip ecus do not work that way. there is a vendor on bbs.legacycentral.org working on a user programmable interface that replaces the ecu "chip", similar to a moates "ostrich", but specific to the ej22. downside is, he hasn't responded to my last 3 emails and the system was supposed to be available at the end of last year. timmy p on here has a user interface on his 94 turbo wagon with ej25d heads and a td04, you may want to pm him.
EJ22T heads are like 40cc where as WRX are 49cc. WRX heads with stock EJ22T pistons will get you something like 7.7:1 with the 3layer thickness like the WRX.

I had pistons made for my EJ22T block to go with my '06 WRX heads. Very simple. I had them make my pistons with a EJ205 compression height and that sets the pistons at the height I wanted.
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