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Old 07-14-2005, 03:38 PM   #1
impr3vize
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Default my 2004 rs needs work.

hey guys whats goin on. ok check it out i have a 2004 2.5 rs. i alredy have cobb exhaust, intake, headers, power pulley, and highflow cat on there. i need cams (what kind should i get?) and suggestions on what i should start doing for more power... but i also need the every day driver gurantee haha.. i dont have all the money in the world or the knowledge. if something messes up im out a car.....thankyou guys
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Old 07-14-2005, 08:49 PM   #2
2003Baja
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only place I know is from Xcceleration and it aint cheap!

HOT STAGE 2 STREET CAMS

Hot Stage 2 Street Cams are designed specifically for street cars, which are naturally aspirated. We have designed the cams for 'real world' street application, using the factory ECU and OEM intake and exhaust. The camshafts are designed to provide a great idle and increase the performance of the engine.

Power over the entire r.p.m. range is greatly improved. You can see gains in HP ranging up to +20HP to the wheels at redline (6500 RPM), on a stock engine. Redline is raised to 7500 RPM. Even more is possible when performance intake and exhaust system are added. These cams require upgraded springs and retainers, which are included in the pricing below!

*Price does not include Core Charge of $500.00, which is added to your order. Please be patient, cams are made per order and take about 4-6 weeks to deliver. Your core charge is refundable if you have returned your OEM cams within 30 days from the date of order delivery, to our shipping department and are received in good, reusable condition, based upon our evaluation. All shipping is the responsibility of the customer. Cams are only available on an exchange basis only and are not available for direct sale.

All cams and spring/retainer kits are for 2.5L SOHC engines, '99 +

*Price $999.99 per set / SOHC

- includes cams and spring/retainer kits
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Old 07-14-2005, 08:57 PM   #3
Handsdown
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Default

you can also get TWE cams from rallitek but i don't know what to tell you, any further mods you do will almost positively reduce the drivability of your car.

cams make a lot of power but all that readily available torque below 2500 rpm will be gone... you'll have to be much much smoother and caress the pedals when driving... for a daily driver you should only do cams if you're
A) confident of your driving/pedal ability and
B) dedicated enough to shift carefully and rev match meticulously whenever you drive...

it's a lot harder to drive the car because of the power band's curve once you're running cams.

if you have the power pulley but not the flywheel, that's where i'd point you to next. get a lightened flywheel. it'll make the revs drop quicker which will hurt drivability, but it won't make the engine any less reliable like cams and it won't change the torque band like cams will either. just make the engine more responsive and lessen drivetrain inertia.

the other thing you can do is weight reduction, and since the 04 is a PIG, that's where i'd start.

you're not interested in suspension at all?
power is great and all but turning is infinitely more fun and customizable.


i should also add, i've been in a GM RS(2-door) with borlas, hollowed cat, and stromung CBE ... it had TWE cams/springs/retainers and that thing was BEASTLY... the whole engine was different. nothing below 2.5k rpm(and the driver kept saying how much harder it was to drive just around town) but once you got past 3k rpm, the thing just came to LIFE... it was like having front row seats to an avalanche or tornado... just more power than you'd ever think could come out of a little four cylinder. it reminded me of a slightly(only slightly) less powerful 98 cobra. the thing was monsterous.

so if cams are what you want, go for it- just know that they're not going to be fun to drive with if you are stuck in stop and go traffic.

Last edited by Handsdown; 07-14-2005 at 09:04 PM.
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Old 07-14-2005, 09:00 PM   #4
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basically for reliabilty you have all you can do, cams i mean can make things fine but then you have to get stuff to tune the car otherwise it will run rich
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Old 07-14-2005, 09:08 PM   #5
Handsdown
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the stock subaru ECM actually does a magnificent job of adjusting fuel when you have cams.

but i totally agree that your reliability will be shot. you could get piston slap or headgasket failure or even knock once you start messing around with valvetrain and internals. if the daily driver is important to you, don't mess with the engine any more... other than flywheel there's not much else you can do and still keep the reliability at a daily driver level.
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Old 07-14-2005, 09:09 PM   #6
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i dunno i drove a RS with cams and the rest of the goodies and it just was rich you could smell it and feel it in the car

maybe his was an exception i dont know
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Old 07-14-2005, 09:11 PM   #7
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did the one you drive still have a cat? becase the one i rode in was gutted so maybe that was clouding(pun intended) my point of view....
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Old 07-14-2005, 09:19 PM   #8
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it had the whole brullen exhaust, so im guessing that adds in their high flow cat
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Old 07-14-2005, 09:24 PM   #9
Handsdown
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well i'm sure the cams could benefit from a tuned fuel map, you're probably right but the point still is that they will make a LOT more power(even without ECM tuning) but they will be less reliable and KILL the drivability of the car.
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Old 07-14-2005, 11:54 PM   #10
impr3vize
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Default

thank you guys very much for helpin me out with the this. haha like i said i really dont know what approach to take. i guess im going to look into the twe cams and see what they cost... now do you think i should just get cams or should i get the springs and retainers to?
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Old 07-15-2005, 08:43 AM   #11
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Do you have any suspension mods?? Brake mods etc? Just wondering....because if you add the power but the chassis cannot handle it, it really does not make sense in dumping $$$$ to the engine when then you are not able to drive it.
Also, as they mentioned before, adding cams is something you have to sit down and think about it. If you have another car for your daily commute, then go for it.
You might also want to have a look, in maybe doing a clutch / flywheel combo. That really helps the engine too.
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Old 07-15-2005, 02:09 PM   #12
impr3vize
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Default

yea i have tein s tech lowering springs and i just orderd out kyb gr2 struts and cusco front and rear strut bars. so mean i dont have crazy suspension mods but enough right? anyway what i was thinkin about ordering today is the twe stage 2 street/rally cams. the perfect power ecu and the tech works valve spring and retainer kit. also what the shop that does my work had mentioned to me is possiibly getting a new head gasket to raise my compression since i am keeping the car n/a what do you guys think of that? oh and hears my car to http://viewmorepics.myspace.com/inde...20050715110743 ... its not the best pic of it but it works.. anyway let me know what you guys think. oh yea and about the clutch and flywheel who is good to go with? i heard exedy sucks but every1 has there own opinion i just wanna see who likes what before i go with it ya know.. anyway thankyou guys.
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Old 07-15-2005, 05:01 PM   #13
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Damn for not having all the money in the world u seem to be dumpin some serious cash into the RS, but hey i just wish i could do that, lol.
You might think of another approach as in stepping up and sellin the RS and go boostin in one of those hott WRX things, lol, just a thought.

Nice ride anyway u ever takin it to a track?
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Old 07-15-2005, 05:34 PM   #14
impr3vize
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haha see the thing is i dont have that much money it all comes in chunks.. haha it sucks i wish i had all the money at once because i woulda had a wrx but you know what im extremely happy with the rs i have to be tottaly honest... i like the idea of having a somewhat built rs. the sound of my exhaust the feel of the ride all and all im in love with it and thats all that matters right? and no i have never taken it to the track i will be doing that by the end of the summer though.. after i get a few more things done.
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Old 07-15-2005, 06:02 PM   #15
Handsdown
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get sway bars not tie bars
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Old 07-15-2005, 07:27 PM   #16
piker28
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so save up

id save my money if i was you and aim for reducing weight
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Old 07-18-2005, 10:32 AM   #17
sebtarta
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OH - just remembered, if you doing all these upgrades to the engine, PLEASE do not forget to add the engine, pitch and tranny mounts.
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Old 07-18-2005, 04:45 PM   #18
impr3vize
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yea i just decided to get the twe stage 2 cams, valves and retainers, and the perfect power ecu . the rest im going to put into brakes and handleing.
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Old 07-18-2005, 09:42 PM   #19
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yeaaaaa....

pleaes dont make your car to fast without upgrading the brakes thats just a very important part hah

but please PLEASE make sure this shop who is going to do all this has worked on subarus before, never be the first guinnea pig....and they have done this type of work to a subaru motor
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Old 07-18-2005, 11:25 PM   #20
impr3vize
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yea i took the advice went and talked to them ... they have never rasied compression and or ported and polished 2.5 heads. so..... im just going to do what i said and keep it at that. i guess they can handle the cams and valves and retainers and ****. the shop is called p and l motorsports. everyone around here has been very happy with there work. but they mostly work on wrx's and sti's so im kinda the first. but they have already put all my other **** on for me and they do it in the time frame they say there going to with no problems.. so il keep you posted.
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Old 07-18-2005, 11:33 PM   #21
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just make sure you get documentation of this work and junk, so IF something happens you can be like "look you guys did the work this is your fault it broke etc etc"
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Old 07-19-2005, 11:43 AM   #22
sebtarta
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Hey while you are doing the engine, you might want to think on the mounts and all. As it will me easier to do this simple mod. I have them, and the differencen is amazing. But when the engine is in and all it is not that easy to change them.
Just my opinion on this. As you are changing the cams and all, your engine is going to rock sideways more than before.
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