STI Shortblack With 2.5?

[Chicago96GT]

OK at a local shop they are running a RS SOHC with a sti shortblock on it. I dont know much about the car so i couldnt tell you, all i know is they said he was running pretty good boost. The guy said they did it for a pretty good price and i was wondering if this could be done to my car. I have the 2.5 so im wondering if i could use this with the sti shortblock? And if i could use some of my engine what would i have to change or install for this to work if possible. Thanks Nick

[Huffer]

That doesn't make sense. They'd be running single cams on an STi shortblock... which is built for boost...

Did you read the stickied threads by sheepdog?

[Chicago96GT]

Yeah I did read that but it says you can pretty much take two of the engines above and put them together. This Shop does everything too. Might not be much but also when I was in there there was a SR20DET(Nissan Engine...would think u all kno) in a RX-7...looked very cool and only saying this because they do very custom work here. I know they were running the shortblock, dont know why but they did say it was SOHC. He asked me if mine was SOHC and i told him no, DOHC. Thats when he told me about the SOHC RS sitting outside running a sti shortblock. He said they did it all for $1700. I mean if i could get that done for 1700 shit ill be in. If this is possible would i have to put a turbo on right away?

[Huffer]

You could run a low compression motor without a turbo... but you'd be pretty damn slow.

I really don't think you understand the issues.

[sheepdog]

The turbo would have to go on with the shortblock. Also, you're not going to get it all done for 1700 bucks, no matter what those guys said. Also, Huffer is right, it just doesn't make sense to run SOHC heads on there. Stick with the DOHC heads if you're going to do anything, but if this shop does as much custom work as it seems, the wiring for a straight up swap shouldn't be above them, and it's what I would recommend. Building hybrid motors is tricky business.

[Chicago96GT]

Trust me they do a lot of custom work. Also i was planning on a trubo....come back to that. I dont want to get a swap because i dont have the money, i know u dont think so but these guys will do it for under $2000/ depending on who u r(They acually did his with install for $1500). I myself wouldnt be running the SOHC, What i was mainly getting at is could i use my DOHC heads and would everything work fine, also could i run this on m ecu? I understand u my not recommend this but if it can work im most likely going to be doing this in the future.

[Huffer]

You're not getting it.

If you run an STi shortblock even with the DOHC heads, your compression ratio is going to be lower - good for boost, not so good for an NA motor.

So there's no point in doing it unless you're going to turbo it straight away.

Additionally, (with turbo) you can run it off your stock ECU, but you'll need a few toys to make sure nothing goes boom... a wideband O2, SAFC, boost gauge, maybe even a knocklink or similar.

It's eventually going to be more expensive than a regular swap.

[sheepdog]

^^ that's what we were getting at. There's no "Plug and play" solution to turboing a non-turbo subaru. Trust me, if there was an easy/cheap way to do it right, someone would have figured it out by now.

Also, remember that YOU are going to be maintaining this car. So YOU need to understand how it works, not just the shop that built it, so that if you're ever somewhere else you can still repair it/have it repaired correctly. So yes, you can do it. But, you'll need all the extra electronics huff mentioned, exhaust, and all the extras that come with a turbo setup, as well as the STi shortblock itself, which isn't cheap.

Save the extra 1k, and have them swap it completely. It'll make your life 10x easier.

[Chicago96GT]

Trust me I dont understand....and thats why im hear asking you guys because man i wish i could tell you what some people told me to do to the car. These where mechanics too(not at this shop) and i just wanted to tell them some things you guys say and prove them wrong but im not a mechanic myself so they will just think im stupid, plus i wouldnt be explaining it like you guys would. Trust me I take all your guys word over anyone i meat. On to the other situation, my car is automatic and wasnt sure what kind of swap i can do. Will this make a differance? Besides just the fact that its auto and it cant take much power. Also I would be running a turbo right away if i did this, probably wont be now that i talk to you guys. The only thing that brought this to me in the first place and thinking about doing it is because my friend has a Eclipse Trubo and he is upgrading. Now this is my best friend so he is giving it to me for Free. Now to a swap, in your opinion how much do you think i can get a full motor for? Would this work and mount to my tranny?
http://cgi.ebay.com/ebaymotors/JDM-90-94-SUBARU-LEGACY-ENGINE-2-0-TURBO-EJ20_W0QQcmdZViewItemQQcategoryZ33615QQihZ004QQitemZ140128675893QQrdZ1
OR
http://cgi.ebay.com/ebaymotors/1997-SUBARU-EJ20-TWIN-TURBO-ENGINE-W-AWD-AUTO-TRANS-EJ_W0QQcmdZViewItemQQcategoryZ33615QQihZ018QQitemZ280125728056QQrdZ1
I was also looking at this one in witch i could eaither sell the trans after or maybe keep it and put it on in the loooong future.
http://cgi.ebay.com/ebaymotors/SUBARU-EJ20-TURBO-ENGINE-JDM-DUNE-BUGGY-EJ20T-5-speed_W0QQitemZ180129320255QQihZ008QQcategoryZ33615QQrdZ1QQcmdZViewItem

Thanks for your guys help, sry i dont understand :grin:

[boxerpower]

maybe you need to sell your auto car and get a manuel honda you can do engine swaps for cheap and get pretty fast. :neutral:

[Huffer]

Twin turbo engine won't fit. they're RHD engines. You'd need to make it single turbo and dump the exhaust manifold.

PLEASE PLEASE PLEASE look at sites like www.eastcoastswappers.com (http://www.eastcoastswappers.com) to see how true pros do it - you'll see there's way more work involved. It's not quite as easy as your "mechanics" mates make out...

[Wiscon_Mark]

Not all engine swaps are the same. Honda swaps are much easier because they have a separate wiring harness for different functions of the car.

Subarus have one giant harness that does everything, which means there's a lot of wire splicing to do.

[boxerpower]

Not all engine swaps are the same. Honda swaps are much easier because they have a separate wiring harness for different functions of the car.

Subarus have one giant harness that does everything, which means there's a lot of wire splicing to do.+1 MARK :grin:

[AJM]

Twin turbo engine won't fit. they're RHD engines. You'd need to make it single turbo and dump the exhaust manifold.

PLEASE PLEASE PLEASE look at sites like www.eastcoastswappers.com (http://www.eastcoastswappers.com) to see how true pros do it - you'll see there's way more work involved. It's not quite as easy as your "mechanics" mates make out...

It will with custom work. Please don't deal with absolutes ,howvever, the compexitey of this with ethier cost alot ,or simply be too much for someone just starting out.


maybe you need to sell your auto car and get a manuel honda you can do engine swaps for cheap and get pretty fast. :neutral:

Fo' sure, FWD for the Mother effing win yo! And you knows with da honda motors you don't even need torque because they don't come with it anyway.

[Chicago96GT]

Huffer They can do all that there and more :smile: Hey Boxer WTF are you talking about, maybe trying to be a dick.....well COOL! If not im sorry, but you said something with the word HONDA kinda made me mad. Also the shop I would be doing a swap at is not full of stupid mechanics, well actually not any. THEY DO REAL CARS. People dont go in here and pay little money to get little shit done.
Does this look easy

http://aycu28.webshots.com/image/17627/2000374568992795776_th.jpg (http://allyoucanupload.webshots.com/v/2000374568992795776)

http://aycu07.webshots.com/image/20326/2000305853341164895_th.jpg (http://allyoucanupload.webshots.com/v/2000305853341164895)

and

http://aycu36.webshots.com/image/20075/2000336141336094036_th.jpg (http://allyoucanupload.webshots.com/v/2000336141336094036)
This is just a 240 turned into a silvia

The first one is the RX-7 with a SR20, I KNOW these guys can do it with no prob im not worried about that. I dont think you guys understand, i just want to know if i shouldnt do this swap?If not what engine i should go with, where to get it and wtf do i do about my auto. I would love to switch but dont have the money right now. Im going to School next Fall so im hoping i will be able to swap my trans later in life myself. CAN I SWAP A ENGINE IN IF I STILL HAVE AN AUTO???????

[Huffer]

First of all you ask our advice.
Then you say these mechanics of yours can do it no problems.

So when we say "it can't be done that easily or cheaply", you turn around and say it can.

Pointless thread - just grab any EJ20 or EJ257 engine and slap it in the car. It'll mate up to your auto transmission just fine.

I'm done with trying to decipher your hard-to-read posts...

[Wiscon_Mark]

If you read the sticky on engine swaps, it will say something to the effect of:


Any EJ series engine will bolt to any EJ series transmission, and any EJ series drivetrain will fit into any car that had an EJ series drivetrain in it before. This pretty much means that if you have a post 1990 4 cylinder in there now, you can put any other post 1990 4 cylinder in.

The exception to this EJ series engine rule is the EJ20tt (twin turbo). This mechanically would bolt up, but it was never available in the united states, and therefore the way the turbos are routed makes it impossible to install and have it clear the steering rack on a left hand drive car. If you want to do a right hand drive conversion just so you can upgrade to a single turbo to make any power later, go right ahead. Otherwise, leave these motors for the dune buggy and VW beetle guys.

That post is a lot longer, and the rest is just as informative. Please listen to guys who do Subarus. an S14 swap isn't the same thing as a Subaru swap. Neither is a Honda swap. Neither is an LS1 > RX7 swap. I'm sure your mechanics are competent, but it doesn't sound like they've ever swapped a Subaru.

[Chicago96GT]

OK Sorry and thanks. The reason i ask here is because im not going to do this for a while and wasnt trying to talk to them over the phone about it. I cant drive there because my license is susp and its kinda far and to risky.(GET IT BACK IN FIVE DAYS) The price wasnt the thing, and i know they can do it if its possible....thats where you guys come in. You guys said it was possible but not recommended so i got into what would be. Sorry if i dont make ANY sense.
-Nick

[Wiscon_Mark]

Again, that sticky will tell you everything you need. Print it off, take it with you.