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Old 01-30-2014, 10:34 PM   #1
Scooby Newbie
Member#: 333468
Join Date: Sep 2012
Chapter/Region: RMIC
Location: SLC, UT
93 SS
Black Pearl

Default 95 L 22T swap. 22E ecu?

I'm currently working on a 205/22T hybrid to swap in my 95 L and have the swap details pretty much dialed in. Not looking for mad power, maybe 280 whp. Here is what I have so far:
22T case halves soon to be decked & bored
22T crank
ACL rods and mains
Wiseco .020 OS pistons
STi rods
Vf39 or 20g or something close
02 WRX complete intake mani
02 WRX ECU & wiring harness merge
JDM gc8 ver 6 STi front control arms, knuckles/hubs, 4 pots, rear trailing arms (don't think they will fit) & single piston calipers
TGV deletes (may go composite)
205 heads w/upgraded springs
First gen tleg xmember.
SS steering rack
Walbro 255 lph

Anyway, the build is coming along slowly and I still have a lot of work to do and money to save before the final swap occurs. However I have a few sets of 22T heads, 22t dp, up, exhaust mani, intake mani, tdo4, vf12, XT tmic. Basically a complete 22T longblock. I know plenty of folks have boosted a 22e and run 5 psi with the stock ecu and a rrfpr.

Since I have all the parts needed to build a 22T longblock I am considering dropping it in with the forged internals and running 5 psi while I do a harness merge (will source a 95 L harness from the salvage yard), deshroud the 205 heads, gather more misc parts, save for turbo, tune, etc.

If a stock ecu can run a boosted 22e, can it run a 22T block? I understand the compression ratios of the 22e and 22t are different. Just wondering if anyone has done this? I understand the first gen 22e can run a 22t with some tweaks.

My ultimate goal is the 205/22t swap but it would be fun to have a little boost in the meantime. My stock first gen SS is loads of fun but the wagon is gettin jealous. It would be fun to practice port work on the 22T heads since I have a few sets so no big deal if I screw up a set learning something.
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monkeyposeur is offline   Reply With Quote
Old 02-25-2014, 11:52 PM   #2
Scooby Newbie
Member#: 382760
Join Date: Feb 2014

Hey pal.

So your setup you've got here looks good. I need to know though is it a Legacy or an Impreza. I'm guessing a prezy because of the WRX harness merge. Anyway...search up Megasquirt II in stock Impreza ECU. There's your answer.
maxmercury is offline   Reply With Quote
Old 02-26-2014, 04:13 PM   #3
Scooby Specialist
Member#: 16819
Join Date: Mar 2002
Chapter/Region: SCIC
Location: Lake Elsinore, CA
2002 MBP WRX, '98 OB
Three Gen 1 Legacy Turbos


A 22T shortblock built for a set of WRX heads, will not work well at all with a set of EJ22T heads. The chamber volumes are very different.

So, unless you are planning to rebuild w/different pistons when you do the head swap, you'll likely not be happy with any type of ECU.
RallyColtTurbo is offline   Reply With Quote

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