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Old 11-20-2006, 09:01 PM   #1
martonikaj
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Default 1.8L turbo engine

I have recently been looking at purchasing a 1.8L turbo engine from a 1988/1989 subaru and i have a question about the specifics of the engine. First of all, how large is the turbo/how much boost is it making? second, what is the intercooler setup? is it top mount, front mount, or side mount (my guess)?

has anyone here had any luck with making good power out of these engines?

thanks for any help in advance.

peace.
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Old 11-21-2006, 12:08 AM   #2
Flowmastered87GL
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the turbo is fairly small... not sure what size.

boost I think is like 6-7 lbs or so.

Stock... there is no intercooler.
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Old 11-21-2006, 12:11 AM   #3
martonikaj
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hmm alright thanks. i figured that it wasnt making too much boost but wasnt sure.

do you know how high the potential boost is?

so im guessing that because theres no intercooler you could easily pipe it up for a top mount intercooler like the newer engine blocks?
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Old 11-21-2006, 02:46 AM   #4
nkx
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vf7 - i think they can push 14-15 psi, but i havent tried it yet. wrx topmount ic's are a popular upgrade. what are you doing with the motor, and are you familiar with replacing head gaskets?
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Old 11-21-2006, 01:52 PM   #5
martonikaj
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o ok. yea i was looking for intercoolers and ill i found was front mount ones. how would i get a top mount one? do i have to get a top mount one from an EJ or something like that? i would prefer top mount cuz it has less piping and all that.

i planned on trying to put the motor into a late 90's impreza, such as a 2.5rs or something like that.
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Old 11-22-2006, 01:22 AM   #6
Flowmastered87GL
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no reason to put a 1.8 turbo from an 88 into a newer car. you would be better off installing a turbo ONTO the existing engine in the new car. Or taking the naturally aspirated engine from the impreza and putting it into the 88.
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Old 11-22-2006, 02:04 AM   #7
nkx
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Quote:
Originally Posted by martonikaj View Post
o ok. yea i was looking for intercoolers and ill i found was front mount ones. how would i get a top mount one? do i have to get a top mount one from an EJ or something like that? i would prefer top mount cuz it has less piping and all that.

i planned on trying to put the motor into a late 90's impreza, such as a 2.5rs or something like that.
uh, yeah.... for the love of god, do NOT put that into a 2.5 rs. if you wanted 50 less horsepower you could just disconnect a spark plug.
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Old 11-22-2006, 09:48 AM   #8
martonikaj
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yea i know that a stock 1.8 turbo engine will be making less than a stock NA 2.5 rs, but i dont plan on leaving the 1.8 stock either. i plan on upgrading it, and i am thinking that if i get it up to EJ20 specs (as far as turbo, intercooler, plugs, etc), then it would be making plenty of power, and it will be cheaper overall then buying an EJ20, which is the whole idea.
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Old 11-22-2006, 05:28 PM   #9
Calebz
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Quote:
Originally Posted by martonikaj View Post
yea i know that a stock 1.8 turbo engine will be making less than a stock NA 2.5 rs, but i dont plan on leaving the 1.8 stock either. i plan on upgrading it, and i am thinking that if i get it up to EJ20 specs (as far as turbo, intercooler, plugs, etc), then it would be making plenty of power, and it will be cheaper overall then buying an EJ20, which is the whole idea.

Meh.. I have one with a wrx turbo, intercooler, Higher compression.. number of other things.


May as well hang yourself by the balls. That will be almost as frustrating as trying to get that motor to decent EJ turbo specs.







Its about as fast as a stock WRX.

Its also on its 4th motor.

Only consolation is I have never blown a headgasket.


BTW. I built the first version of this car in puyallup and drove it to Dallas

This is what it looked like when I drove it from Puyallup.

http://www.ultimatesubaru.org/photos...icture_001.jpg

Last edited by Calebz; 11-22-2006 at 07:12 PM.
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Old 11-22-2006, 09:12 PM   #10
martonikaj
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wow u did some nice work there. looks pretty solid. so is it on its 4th motor because the turbo pushes it too hard for the 1.8L to handle?

so did it end up costing you more than just buying an EJ20 and calling it good?

thanks for the info, very nice car.
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Old 11-23-2006, 12:04 AM   #11
Calebz
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Thanks! I've spent a bit of time on it.

1st motor - Developed some pretty gnarly crank-walk.
2nd motor - lasted 10 minutes at an idle - cracked head.
3rd motor - Lasted about 8-10k miles. Its still in the car -Puked oil from an unknown source - 3rd gear - 10-11psi - WOT - 7300 rpm. Took a total of 2 gallons of oil to get the three miles home.
4th motor - Sitting in front of the car waiting to go in.

Cost is kind of a relative thing, People that know me here know of my aversion to actually paying market price for anything. So I am not really a good gauge of true cost.

Not sure what an EJ swap costs. It really depends on what EJ combo you want to use and what you want to do with it. Give me $10k and I'll produce a 600hp 2.5 for you . A swap can be done for substantially less than that as well.


Going to be a while before the new motor goes in. I have a 2001 Saab that needs a motor and my 87 Volvo needs some love. It appears I will be driving it again while the wife's Saab is out of comission. Thank god for my little Kia. It never gives me any crap. The wife will be driving that for a while.
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Old 11-23-2006, 10:01 AM   #12
subyrally
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as much as i love the ea82t engines, there is no point to putting one in an impreza. you could get an impreza and used wrx parts to turbo it as well as a little something for engine management and spend less to make a lot more power than you would trying to fit the ea82t into the impreza. on top of that, the engine is made to move a car that weighs about 400lbs less than the impreza.

i have both cars in the equasion, i have the 1986 rx and a 2000 impreza rs, trust me, the impreza will eat the rx at top end. the rx has the hole shot up to about 65mph. then again, the impreza is an automatic and the rx is a 5spd.


oh yeah, and like caleb, im not on my first engine. the first one ate about an inch of a compression ring in one of the pistons. the second engine is still in the car, but it has cracks in the heads and leaks oil out of the pan and pump.
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Old 11-24-2006, 12:50 AM   #13
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Suberdave (Covington) has 2 EA82 cars powered with EJ20G's, a GL-10 wagon and a RX. Very well done, they look like they came that way from FHI(Well, they should have). I live close by to you, you can take a look at my RX some day.
suberdave.com
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Old 11-24-2006, 05:59 PM   #14
TheSubaruJunkie
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Dont waste your time with that motor. You'll need to adapt it to fit any EJ tranny anyhow. Your better off getting a EJ22... a stock EJ22 would probably make more power than a heavily modified EA82T. I recently sold my RX, but it had the 1.8 turbo your looking at. After I blew up my 1st motor, i rebuilt it using a N/A Block in order to increase the compression. I also had a saab 900 intercooler that I installed, but ran it with stock boost. I was constantly getting beat by minivans and hybrids. I have since sold it and bought a Legacy Turbo, and dont plan on going back to EA82 anytime soon.

if you have a 2.5 RS, you already have 4x the motor that EA82 will ever be.

-Brian
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Old 11-27-2006, 11:19 PM   #15
martonikaj
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hey thanks for your help. i didnt know that you had to make changes to the EJ tranny in order to get it to fit the 1.8? hmm alright.

thanks again for your input. maybe it is just a better idea to keep to a EJ20 or EJ22 and do ups.
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Old 12-14-2006, 03:54 PM   #16
gloyale
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I want to replace my EA82T in my gl wagon FT4wd with an EJ22. the ea82 is not really the best motor subie ever made.
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Old 12-14-2006, 05:49 PM   #17
subyrally
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its not the best, but i like it, even though mine died again, granted, it was my fault in this case.
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Old 12-14-2006, 09:34 PM   #18
Caboobaroo
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I went through 3 EA82Ts in my '89 RX. Besides the body needing a few things and an engine, I got me another coupe that is almost identical to it. First off, the EA82T is getting thrown into the scrap bin. Worthless pile of doggy poo poo I have ever had. Also is a little big for a paperweight.

So I'm going with an EJ20K which has over twice the horses then a stock EA82T has. So yes, you're making the right desicion to NOT put an EA82T into a 2.5RS. You'd kick yourself in the balls before you ever got it running....
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Old 12-15-2006, 11:40 AM   #19
gloyale
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The EA82's with the SPFI are pretty frigin good though. I think there is a good use for those in older Brats and wagons and such. Great gas milage and Soooooooo simple. Good power for the lighter old cars too.
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