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Are there any performance upgrades available for a 93 Impreza?
Posted 11 June 2004 - 05:05 PM
The car is a 1993 Impreza AWD, 5spd, 1.8L.
What about adapting newer Impreza's upgrades to work? (ie, exhaust, intake)
Posted 11 June 2004 - 06:43 PM
Drain oil,Drive car. "ooops, wife dear, the engine blew, I'll fix it!"
Replace with EJ20T. If you are careful you can keep the project under $2000. Then you can slip in small upgrades to suspension and wheels/tires for udner $1000 at a later date.
That gives you a $3000 WRX (well faster due to less weight)
Posted 11 June 2004 - 10:37 PM
I am just looking at optimizing what I have now. Maybe later down the road I'll toy with the idea of an engine swap, but not now.
Any one else have good ideas?
Posted 11 June 2004 - 11:27 PM
you might want to be a little more receptive to ideas. While subarubrat's idea may not be for everyone.....no reason to say it's not helpful.
Don't expect to get much from mods. But if you're just looking for bolt on stuff, you can look into underdriven/lightweight pullies, msd dis 2 ignition, magnecor wires, TB bypass mod, and just a simple tune up....replace all filters, run some injector cleaner through, etc.
Posted 12 June 2004 - 10:58 AM
Also, on a courtesy note, if you don't want suggestions, maybe you shouldn't ask, or be more specific about what you are asking.
Posted 12 June 2004 - 08:18 PM
I understand what you guys mean about engine conversions, and I wish that I had the money to do that...
Right now, all I would like to do is squeak a bit more power out of the stock 1.8.
Bolt-on is nice, but I'm not against fabricating or retro-fitting.
I am open to all ideas, I just ended up sounding sarcastic. Once again, sorry about that.
Posted 12 June 2004 - 08:59 PM
Do what Leagcy777 said, that should help get what you are looking for.
Posted 14 June 2004 - 09:02 AM
Anyway there are definetly things you can do, that are often overlooked as performance upgrades. usually you stick them on a vehicle that is already humming. but alone they can help quite a bit.
Two easy bolt ons i have done are a simple cool air intake. and a short throw shifter. Both take no longer then 30 min. and are very cheap. and both improve gas mileage, and the cool air gives better HP and throttle response. and the short shifter gives the sensation of more torque b/c the engine doesnt spool down as much between gears. if you have a manual trans that is. if you have an auto there aint much you can do with shifting..
Also you should look into nice alloy rims. the lower the weight, the less rolling resisatance = better pickup and lower break useage.
nice clean filters all around, are the best advice you can get though..
I have also found that a good wash and wax job makes me feel like im going faster.. try that one, it works for me when im contimplating dropping $3k on mods that i cant afford.
Best of luck.
Posted 14 June 2004 - 09:24 AM
There are TWO Impreza 1.8 turbos local to me, one is owned by a well-known Subaru tech who originally had an EJ20T in his 95 Brighton 2-dr. He blew that up and instead, decided to turbo the EJ18. The car is a beast, easily stock WRX material.
The other one isn't really all that impressive to me, it's a 4-door FWD auto, but the kid has still turbo'ed it.
I understand that either haven't blown up their engines yet, I'd in fact be interested in picking up a cheap 1.8 Impreza just to tool around with it and see what it's made of.
Posted 15 June 2004 - 07:20 PM
After some serious consideration, I have decided on this course of action: Overall tune-up of the 1.8, try to find a CAI, (where do I get those, BTW) and run it until next year.
While the year passes, I would like to get my hands on a more powerful Subaru motor and completely go thru it and rebuild if neccessary. What are the good choices, as far as cost vs. HP?
My 93 is a 5spd, AWD. Would I need a new tranny?
Thanks for all the help,
In the meanwhile, I will just keep on researching
Posted 16 June 2004 - 12:03 AM
That's real cheap and easy. Next up comes the K&N panel filter dropped into the stock air-filter box. New spark plugs, maybe plug leads too. Injector cleaner, as already mentioned. Then change your engine and transmission oil. Helps to squeeze those last few percent of power out of the driveline. Make sure you use synthetics. I have a thing for Mobil and Castrol myself.
A free-flow exhaust silencer will add a few HP, again mainly at high revs, like above 4000, but will increase noise levels at all engine speeds and throttle positions, which may not suit you.
Personally, I think the first suggestion of running you EJ18 without oil was a waste of a post. Yes, sure, to really increase HP requires more cubes or a turbo, but engine swaps are time consuming and hardly "bolt-on" mods.
Posted 17 June 2004 - 12:43 AM
I know this link isnt to a thread on this board, but it is where almost everyone I know who knows anything about the older L models is. Its a great thread to read, you will see alot of stuff that will apply to your car:
Posted 19 June 2004 - 08:38 AM
An engine swap such as that is a bolt in opperation. You don't need any special tools or fabrication of adapters and it can be done in a weekend. For less than the cost of a used 12 year old minivan you can have a sleeper that will humiliate just about any sub-$40,000 car in a traffic light to traffic light setting. If that isn't cost effective I don't know what is.
Posted 19 June 2004 - 07:58 PM
Posted 19 June 2004 - 08:21 PM
Friday night, engine out, exhaust out, ECU out, old fuel pump out- new one in, Xmember dropped.
Sat, new xmember in (cutout for upipe), engine in, exhaust hooked up, intake and IC done, radiator in, ECU in wire harness run (wired in spare time prior to go day)
Sun, cooling system, ECU plugged up, and power/gnd/pump/fans etc. hooked up, scoop installed, various odds and ends...
Sunday night, fired it up, fixed the intake issue and the backward fuel pump check valve (oops). Took it out and romped it.
Best BRAT EA81 to EA81 swap time 50 min.
Best BRAT EA81 to ER27 swap time 2 weeks (all sort of non bolt in)
Posted 20 June 2004 - 09:01 PM
IF I was to do something like this, exactly what engine, from what model years, do I look for?
Are there any good write-ups?
Will I need to swap a tranny?
Posted 21 June 2004 - 12:44 AM
A new intake can be fitted within ten minutes. A new silencer might take as long as thirty minutes. You could do this in the office car park on your lunch break.
Try swapping an engine in that time.
Posted 21 June 2004 - 03:42 AM
But, since I have always wanted to do a swap/engine build, I think that I will spend the rest of the year planning it out. I understand that it will take awhile to accomplish, but hey, it'll be fun!
Posted 22 June 2004 - 12:21 AM
Plan your swap, but in the mean time do some cheap or free mods. Like the silencer removal, the various intake mods, suspension (you can keep this after the engine swap, too!) suspension make a big diff on Soobs!
This will keep it fun and you'll learn things about your car toying around with it.
take a look at www.scoobymods.com
Posted 22 June 2004 - 06:33 AM
This sort of swap can be done in a weekend, it is pretty basic on the scale of things. It is just petty and small to go around bashing those who can do what is beyond your personal skill or $$$. I don't have the skills or the funds to pick up a Z06 Vette and all the goodies to do an 800Hp build but I won't go calling Lingenfelter's work stupidity because he can and does. I don't have the desire to make myself feel better about where I am at by tearing others down. So you go on and believe that real perfomance is stupidity or what have you. I had people tell me that the BRAT couldn't be built as I planned or that I was dreaming, I had people tell me the turbine powered XT6 was not do-able, but I chose not to be bound by someone elses limitations and I did it. And I assure you that I have an ear to ear grin as I drive by the nay sayers.
The only stupidity here is for someone seeking real performance and a uniqe vehicle to be held back by a nay sayer. You may also want to check your dictionarys for the meaning of discouragement. You will find that discouragment is telling someone that it can't be done, not that it can and has.
Posted 22 June 2004 - 07:24 AM
SubaruBrat, my hats off to you if you did that conversion in a weekend. I was looking at your web site and didn't see any mention of any such conversion. What vehicle did you start with and what engine (drive train) did you install. I just recently completed my second one (pictures in earlier post here), so let us know more about your conversion.
Posted 22 June 2004 - 07:57 AM
The XT747 project (allison A250 turbine in XT6) is getting well under way. That will take probably as long as the BRAT did if not more. Now THAT is not a bolt in opperation. Sure, give me 20gs and a full shop and I could have it done in a month, but I don't have that. Plus it is getting interupted by the BRAT shifter kart.
My point here is that an engine swap such as a WRX engine into the 93 this fellow has is an affordable bolt in opperation that will provide real performance.
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