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01-21-2003, 02:45 PM | #1 |
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Turbo my 2002 2.5 RS
i want to turbo my 02 2.5 RS and i have no idea what to do, or what turbo to get. i looked up the VF11, and that looks good..but is there others thats better for the same or cheaper price?? i also need to know about other things i need to mod outside of the engine like tranny and stuff like that.
heres info about my car (which sux): Year: 2002 Engine: EJ25 Suspension: Whitline springs Tranny: i have an automatic... i want manual... so ya...if u guys can help me, cuz im kinda confused
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01-21-2003, 02:51 PM | #2 |
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i have a 2003 and i am also interested in turboing my car too what is all out there besides the wrx swap and the ludespeed stage 3 kit??
Eric |
01-21-2003, 02:56 PM | #3 |
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01-21-2003, 03:00 PM | #4 |
Frank Army
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01-21-2003, 05:02 PM | #5 |
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step 1 sell your car
step 2 buy used WRX step 3 party your car(s) is too new you should be able to find a used wrx for less than a propperly configured trubo kit |
01-21-2003, 05:18 PM | #6 | |
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Boo Why be like everyone else and drive a WRX i want to be differnt and drive a car that not many people have!!!! |
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01-21-2003, 05:22 PM | #7 | |
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01-21-2003, 05:28 PM | #8 | |
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01-21-2003, 05:41 PM | #9 |
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look at the new STI what engine is in that?
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01-21-2003, 06:24 PM | #10 |
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um, the only thing the new sti engine shares with the 2.5 in the RS is displacement. that's about it. yeah, the 2.5 makes one hell of a torque-monster though with a good low-boost turbo kit. the problem is that all that torque does not always agree with the drivetrain. oh well. i just may go that route with my new leagacy anyway. now i'm almost happy (well, not really...just trying to convince myself that i'm ok with this) that the wife made me get the auto...i hear they hold up much better than the 5MT. can't wait to see what cobb comes up with.
jay |
01-21-2003, 06:29 PM | #11 |
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i know i spelled legacy wrong. oops. also, who says that when wrx owners want to make more power they drop in a 2.5? they drop in a bigger turbo, turbo back exahust, an up pipe and better engine management. the wrx can run 12s pretty easily and somewhat reliably. we'll never get that from our ej25 powered machines. we just need to get over it. another thing you could do is stick to normal aspiration. something like cobb stage 3 (new headers coming soon, as well as ecu reflash to match) can make equivalent power to the wrx...something to think about.
jay |
01-21-2003, 06:31 PM | #12 |
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besides the engine theres no other difference between the wrx and the 2.5 well i am mean nothing really major that is.
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01-21-2003, 06:42 PM | #13 |
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my tranny
would my auto tranny hold up to 4 to 5 psi of boost???? and which way is the way to go (n/a or turbo) for more power per dollar? i dont want to deal with NOS even tho it is tempting...
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01-21-2003, 06:57 PM | #14 |
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n/a has a reputation for being more expensive. for example...cobb's stage 3 na package is just shy of $4k (and that's assuming you get full core charge refund) they claim that their turbo kit will be less than $3500. they are supposed to make similar power. i think your transmission would likely be fine with 4-5 psi of boost. it's the RS-T guys that have gone nutty with the boost that have had lots of problems. you need turbo pistons (way lower compression) to handle more boost.
jay |
01-21-2003, 07:16 PM | #15 | |||
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Your auto tranny should hold 5 psi like it was no big deal.
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01-21-2003, 07:20 PM | #16 | |
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01-21-2003, 07:27 PM | #17 |
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My Outlook on the Situation...
If I may put my $.02 in on the current discussion:
Mycarsux : As much as you hate to hear it, If you wanted to go Turbo you should have just bought a WRX. I myself were also looking into installing a Turbo on my RS. In the long run it's just not worth it. I did alot of research on the subject and the best thing to do is if you want to go Turbo, get a WRX. The big thing is the Warranty. Not only are you going to have to spend 3k to 4K on the kit itself your going to need someone to install it. Throw your warranty out the door. If your not a car enthusiest with alot of wrenching skills than your going to have to pay for the upkeep. Dont think that gas and oil changes are the only thing in your future. Trust me, you modify a car to that extent, things will break and problems will occur. Unless you can fix the problems or even have the knowledge to identify the problems your going to be paying alot of money to a shop to keep the car running smoothly. With a Rex you have that warranty and its in the dealer hands. If Im correct and your car is brand new you probably paid around $18,000. for it. Right now you can get a Rex still under warranty for less than that. Just a thought. If you want to be original than stick all motor and build it to be faster than a WRX. It is possible. Until then enjoy your car for what it's worth and trade it in when your ready. Start saving now and drive home an STI when they come out. Hope I helped out somewhat Aaron |
01-21-2003, 08:05 PM | #18 |
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the other thing he could do is just put in something like cobb stage 2 n/a. for about $2k installed (should only take a few hrs to do the entire thing) you are looking at darn near 200 hp (at the flywheel). that with no real sacrifices. you'd even have a leg to stand on for warranty work. this would also free up some cash for other mods if that is a concern.
jay |
01-21-2003, 10:42 PM | #19 |
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Hey guys, I am waiting a final quote before my car goes in for the big sleep. It will come out with a turbo kit, ecu and a new motor. I just felt like mabye since for A YEAR I went every possible direction anyone could have gone. I feel as though I might give some insight.(I am also an automatic)
Custom supercharger kit: its worth a try if you got time and patience. Considering the torque the RS has, you could enhance it with a properly tuned supercharger kit. You will have linar power with some paracidic loss but less shock to the trans(considering how rought you drive and if you drive standard or auto) Custom low boost turbo kit. Cheap, can be reliable, lots of parts to aquire and lots of custom fabing. While this was my initial idea, I started to move away from this. Why? Well I decided that I wanted more relibility and I also started to think I would want more in the perfromance area in the long run. Buying a turbo kit. expensive, can be reliable, mostly bolt in, still need some parts. This idea works well for me. IMO. I can get an ecu, FMIC and get a stage 1 kit (sans intercooler,ecu) and basically be able to run 6-8psi and have it tuned by GOOD tuners who will give me relibility over and power but without forgetting about power all togeather. insanity custom kit. I don't know exactly what is going into the kit that is going into my car. It sounds like a hybrid of wrx and rs parts also including my 9:1 low compression 2.5l motor. With plans to run 1 bar and a motor & trans to handle it for everyday driving. It will be intresting to see how it turns out. good luck, hopefully you can decide better then I did. If your looking for supercharger parts, random custom turbo kit parts. I bet i have them |
01-21-2003, 11:06 PM | #20 |
Scooby Specialist
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Vehicle:2002 2.5 RS-T LudeSpeed S. III W/ FMIC |
Some of us can't afford the insurance on a WRX (me) If I could afford it then I probably would have driven home w/ a WRX rather than my 02 RS. I'm not complaining now though, I'm spank'n even slightly moded WRXes and I'm still just under what I would have paid for a stock WRX almost 2 years ago when I got the RS.
AaronsRS is right tho. If you don't have skills when it comes to auto maintenance I would not recommend such a serious mod. Personally I love to work on my car so I don't mind, and I have yet to run into any issues that caused any “unplanned” maintenance. |
01-22-2003, 09:26 AM | #21 | ||||
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Get over your turbo-phobia, the WRX is a great car but its got a high price tag for some folks and high insurance too. A 2.5 can be just (if not more) fun for the money. BTW, only the 00-01 RSs got the LSD rear... the 98, 99, 02+ got screwed. |
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01-22-2003, 10:36 AM | #22 |
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My RS has been turbo'd for about 40,000 miles. I've only had 2 bad breaks. 1st I had a turbo seize. The input shaft on turbo just stopped and caused all the fluids leading in to leak.( not a problem just got another vf26 and its all good, also got the old turbo replaced, got the repair kit from Turbo City for $138.)
2nd I had to replace my clutch, My stock clutch could not handle the upgraded power so it just slipped and slipped. I would have to say the WRX would have these same problems. Oh yeah I'm running about 6-8 psi for the daily drive and about 10-12 psi for full boogy.....no internals.....still need to get an afc to pull fuel, thats a common prob also for the wrx isn't it? |
01-22-2003, 11:07 AM | #23 | |
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AaronRS hit the nail on the head
yes a 2.5 turbo kit has more torque and yes it is torque that destroys trannys its not an easy install and 3-4k is way to low more like 6k-7k FWIW i am a WRX guy but WAS a RS guy and a legacy GT guy and an SVX guy before that i have been watching people installig turbo kits in RS for 3.5 years .. guess what they almost all blow up sooner than later Quote:
i also did a through examination .. decided to sell my RS buy a WRX and a project car that i can fool with ..its also gettting a ej20 |
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01-22-2003, 11:13 AM | #24 |
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Given enough time, this thread will reach hundreds of pages.
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01-22-2003, 11:14 AM | #25 | |
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1. Can I keep this within my budget ($1k goal): Yes 2. Can I do this safely for my budget: Yes 3. Can I afford failsafes within my budget: Yes 4. Am I qualified to do this project: Yes 5. Will my wife kill me? If I blow my budget If you do the research and take the lessons learned a turbo project is a lot of fun. If you're unsure, or don't like getting dirty please don't bother... buy a WRX. edit: Charlie, I'm trying to PM you but your inbox is full. Last edited by BOY; 01-22-2003 at 11:20 AM. |
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