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Old 05-15-2010, 01:05 PM   #1
daddybleiler
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Angry ej22 swap advice HELP!

HI,

I've had a 96 Impreza ej22 for a number of years, which has gotten so rusty that I opted to keep it as a parts car and buy a "younger" ej22

I bought a 99 Impreza outback sport 2.2L, with 93k miles from a guy who had just done some work on it. He said he changed a bad valve in one of the cylinders and then had it tested at a machine shop and all the valves had at least 185 psi compression. He also said he changed all the gaskets, fluids, and the timing belt.

He must have forgotten to add oil though because a few weeks after purchasing the car the motor ceased. SUCKS! I should have had better judgment, but such is life.

So now I'm trying to make the best decision with next to no money. I figure I'll swap the old EJ22 with 180k miles on it into the newer shell. While replacing all the gaskets, timing belt and water pump in the process.

I'm not a total slouch, but I'm no gear-head either. Is this engine swap something I should attempt?
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Old 05-17-2010, 03:19 PM   #2
daddybleiler
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I just did a compression test on the good motor with 180k miles, and the four cylanders ranged between 100 psi and 120 psi.

Does anybody know if this engine is worth swapping? can I expect at least another 50k out of it?
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Old 05-17-2010, 05:18 PM   #3
69subaru360
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It's low, but should still run ok. You'd need to swap the complete bulkhead harness behind the dash from the 96 into the 99 to swap engines. 99 is phase 2, 96 is phase 1.
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Old 05-17-2010, 07:15 PM   #4
daddybleiler
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the four compression numbers are


100psi 120ps

110psi 110psi


front of car


is a 20 psi gap between cylinders something to worry about in terms of needing a total rebuild?

Keep in mind, I'd like to get at least another 50k miles
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Old 05-19-2010, 12:14 AM   #5
daddybleiler
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since the wiring harnesses are different, is it easier to just swap the longblock?
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Old 01-20-2011, 03:55 PM   #6
jcollier
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I am have a 97 OBS with and a 99 OBS and wanted to do the same swap. My problem is in the trans in the 99, both have good motors, but the 99 has 200000 miles on it. I'd like to know if the transmissions are the same. Do you have any advice?
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Old 01-20-2011, 03:58 PM   #7
69subaru360
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Not the same if it's automatic. The the 97 has a phase 1 trans and the 99 has a phase 2 trans.

5 speeds, they aren't the same either, but will swap, just check the rear diff ratios and swap diffs if they are different.
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Old 01-20-2011, 04:20 PM   #8
jcollier
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Sorry to steal your posting daddybleiler,

69subaru 360, is there any other things i should consider besides the rear diff ratios when only swapping the transmissions?
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Old 01-20-2011, 04:44 PM   #9
dangerousatom
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Quote:
Originally Posted by jcollier View Post
Sorry to steal your posting daddybleiler,

69subaru 360, is there any other things i should consider besides the rear diff ratios when only swapping the transmissions?
The ratios should be the only thing that can differ. Hubs - axles - drive shaft should all be the same. Unless your getting newer than 04-05, then the axles and trans can change from male to female in STi. 2006 is when I believe all Subys changed to a female trans. That basically means just get 2003 or older Impreza/OBS drive line parts for your car and you wont even have to worry about fitment, just the ratio.
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Old 01-20-2011, 06:00 PM   #10
69subaru360
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The 97 might be cable clutch and the 99 might be hydraulic. It doesn't really matter if you have both cars, everything swaps over. The 99 has 8 bolts engine to trans the 97 has 4, that really doesn't matter either, 4 line up, don't sweat the other 4. 99 has a electronic speedo, 97 might still have cable. That doesn't matter either, you unscrew the cable drive and screw in the speed sensor.
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Old 01-20-2011, 07:06 PM   #11
jcollier
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thanks, im going to start the project this weekend
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Old 01-24-2011, 10:14 AM   #12
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The 97 was a mechanical speedo, and the 99 was electronic, but the electronic sensor doesnt fit in the mechanical hole
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Old 01-28-2011, 11:57 AM   #13
gloyale
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Quote:
Originally Posted by jcollier View Post
The 97 was a mechanical speedo, and the 99 was electronic, but the electronic sensor doesnt fit in the mechanical hole
This is wrong on both counts.

97 Imp Outback has Electronic VSS.

And either way, the electricnic sensor screws right into the cable hole on the trans.

VSS adn cable are interchangable as far as the trans is concerned.
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Old 01-28-2011, 08:23 PM   #14
Seraphinwolf
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All 2.2 Imprezas have the same final drive ratios depending on auto or manual. All manuals are 3.9. All autos are 4.11
The Phase 1 and Phase 2 shortblock can be change out BUT you will result in one of two things. A higher compression motor or a lower compression motor. Phase 1 block plus Phase 2 heads result in a drop of compression of 1.3 putting the motor are 8.7:1 and the reverse will increase by 1.3 to 11.3:1. While neither is the end of the world you should consider what will happen when you do it.
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