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Posts posted by bobjr94
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I think the ea82 turbo was rated at 111hp. A plain ej18 from a impreza is 114 I thought and ej22 from a 90-94 legacy 131hp. So even with the turbo you would be playing catch-up. The ea82 heads are just 2 valve heads and dont flow very well. All ej motors are 4 valve. They also leak oil from everywhere and most have cracked heads by now.
I would look on creigslist, you should be able to find a wrecking running 90-94 legacy for under 500$. Also if it matters, the legacys are rated more mpg than the older less powerful motors that were in lighter cars.
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If you read the old school forums everyone is talking about swapping to fuel injection and getting rid of carbs. You can do it but I think it would be easier do the whole. Im looking for a wrecked legacy now to do a swap into my brat, Ill keep the FI.
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I would think the cost would be much more to get an intake fabricated than hooking up a ecu. Most of your other problems of swapping to an older car would be the same.
I wouldnt think a carb would make any more power or people would be swapping them all the time. In a street driven car at low rpms it could even loose power because the larger intake runners on ej manifolds are ment for air only, the fuel mixture may be moving to slow to keep the air & fuel mixed properly.
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I got this adapter free with my radio from cardomain. Seems to be like the other one shown for older subarus. It like 15$ if you dont get a radio I think.Had to see where it bolt down, then cut out the inside of the old console. Its a Scosche SU2020.
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I ran a shoc ej25 from a 00 impreza in a 96 with a 1.8 ecu for a few years. Only thing i noticed was it would ping sometime and need mid grade gas, probably because the 1.8 didnt use a knock sensor, and the 2.5 had more compression. You might not have the same problem with a 2.2. The 1.8 throttle body is smaller but I dont think you will loose much.
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If the heads dont flow any better maybe Ill just do the spfi changeover and leave the motor alone. I was trying to be different in using the old mpfi setup.
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Anyone know if ea81 turbo heads are any better(valve,ports,etc) than n/a heads. Got an 85 brat and getting a parts car with a bad ea81 turbo motor and I was thinking about making my n/a motor fuel injected using the heads,mainfold and stuff from the other motor. Would be even better if the heads have more flow than the n/a heads. Assuming the heads are still good still anyway.
Would rather do the multi port with the weird injectors in the head than a spfi off an ea82, or weber conversions. And if I get it all running would be easy to stick a turbo back in there again since I have the uppipe and stuff, just need another bottom end or rebuild the old one.
Problem: black smoke from EA71 exhaust
in Historic Subaru Forum: 50's thru 70's
Posted
The carb float probably needs to be adjusted, or the needle valve is leaking. It could leak if it has something partially stuck in it so it wont seat all the way, or could be worn down. When the rpms go up it uses more fuel than is leaking, so it runs better, when its idleing more fuel is getting fuel than it use, so the carb overflows making it run poor or die.
My 85 brat averages 34mpg per tank driving 110 miles per day, I would think a gen 1 would get slightly better.