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Old 10-14-2005, 05:26 AM   #1
ccroach
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Default RS-T suggestions please

Alright fellas,
Ive searched and came up with alot of useful info but i would like to beat this horse some more (please bear with me).

I am building a turbo kit for my 99 RS and have the following:

rallitek's prefect power 6
WRX TD04 Turbo
Suba chad pipes
Oil Lines
Boost / AF gauge

I want to run 6 PSI on my RS. Now heres the questions...

1) do i go with WRX injectors or go with the 5th injector?

2) Do i need any other fuel upgrades for 6 psi?

3) How can i keep my TD04 at 6 PSI?

Your suggestions are appreciated.
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Old 10-14-2005, 06:59 AM   #2
X4 SRT
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The list looks good so far there matt. I was looking around on Ralliteks site and reading about the 5th injector. If you want to keep the cost low you could run the 5th injector, but you would have to weld a mount to the intercooler to make it work. That could be more work than you want to do.

Since you have a 99RS the stock WRX injectors will swap right over to your car. I would just pick these up. I've been looking on the boards here, and you can find them for cheap.

I don't see any reason to run a larger fuel pump, unless you want to run more boost and make more power. But, since you can have a 255lph pump for about what, 100 bucks, it's a nice thing to have just incase you need it.

I was also thinking maybe you and chad should port and polish the TD04 while you're doing everything else. Oh, and if you are still on the stock clucth, you might want to get something that can hold a little more power. Ask chad what he thinks of that.
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Old 10-14-2005, 12:03 PM   #3
kid22
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Have you tried a mock up with the subachad pipes? they didn't quite fit well on my '00 RS. I hate to move the up pipe a bit in order for it to not rub against my axle boot. Also, I moved the piping forward so I didn't have to worry about "clocking" issues for the turbo. but hey, you're on ur way with that list so far! Let me know if you need any tips...

-Matt

Last edited by kid22; 10-14-2005 at 12:09 PM.
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Old 10-14-2005, 12:33 PM   #4
Sko
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5th injector works best with PP6 I believe, the guys at rallitekforums.com would know more.
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Old 10-14-2005, 12:49 PM   #5
darioc
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if you want to keep the boost at 6 your going to have to go with an external wastegate with a spring that opens with that much boost which is less than 1/2 bar. tial should have. then your going to have to get that welded into the subachad uppipe and either plumbed back in or to the atmosphere. you could just go to the atmosphere as it will not be that much louder with only 6 psi, and if it is GOOD! haha.

good luck with that SMT6. it didnt work out for me. i had to switch to an eman blue.
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Old 10-14-2005, 01:11 PM   #6
RS_NW
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Don't get a A/F guage get a EGT guage instead.
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Old 10-14-2005, 03:39 PM   #7
darioc
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if you have an RST you should definitely have a wideband o2 sensor, where your rear o2 sensor is now, with a display so that you can monitor exactly how your car is running at all times. i think that it is a necessity. that would tell you ten times more than an egt gauge. zeitronix has a really good setup. www.zeitronix.com i would recommend getting the wideband kit, display, and boost sensor. the boost sensor that comes with that is way more accurate than other gauges. and you could get an egt sensor for the display as well if you really wanted one!
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Old 10-14-2005, 05:14 PM   #8
ccroach
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Wow,
Thanks for all the help and suggestions fellas, Im leaning towards the 5th injector (after talking to rallitek today). Again i just need to know how to keep my boost at around 5-6 psi. Thanks again guys
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Old 10-14-2005, 06:01 PM   #9
darioc
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i would also recommend a 5th injector. thats what im running as well. youll get better driveability with 5th injector because your running stock fueling when not in boost.

like i posted before, the only way to keep the boost to 6psi is to run an external wastegate with a 6lb spring!
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Old 10-14-2005, 06:29 PM   #10
kgb
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And no you don't put your wideband O2 where your rear O2 is because it would have been after the cat so it's useless - weld another bung on the downpipe for it. Internal wastegate should have been good enough for 5-6psi but if you have a really free-flowing 3" exhaust, it could spike well beyond that on continuous acceleration (ie drag strip). I have 2 hi-flow cats and it would be spike to about 7psi and be it
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Old 10-14-2005, 06:56 PM   #11
Sko
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Quote:
Originally Posted by ccroach
Wow,
Thanks for all the help and suggestions fellas, Im leaning towards the 5th injector (after talking to rallitek today). Again i just need to know how to keep my boost at around 5-6 psi. Thanks again guys
Yes!!! Another succesful rallitek refferal... as if they aren't busy enough with my questions, lol!

Nick
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Old 10-14-2005, 07:27 PM   #12
Hitokiri
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Fifth injector is a good way to go, but RSts are fifth injector by necessity because they are MAP based after MY99 and typical means of removing fuel with MAP correction doesn't work well enough.

Since you have a 99 I would suggest going with WRX injectors. If you get an emanage I have an ok map for you.

The rallitek SMT6 will work for you whether you go with WRX injectors or a 5th injector. Since you have a MAF based ecu, you tuning will be much easier and can be acheiced using regular MAF correction for the most part.

The drawback of running correction on any ecu signal is that the ecu uses the MAF signal for more than just fueling. Most notably for spark in the timing maps internal to the ecu. You have to be aware that MAF correction my change your timing and you must adjust accordingly with the emanage or SMT6.

Todd
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Old 10-14-2005, 09:34 PM   #13
reddevil
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Rallitek is using a 440 cc fifth injector in conjuction with the stock 285cc(?) in the 02 RS they are currently tuning at 7 psi. They are tuning it so high because the turbo they are running doesnt have a smaller wastegate that they can locate.

I got a ride in it today while Sean was tuning it and it was pretty nice. Raspy ass sounding though...... damn ricers and their farty cans.....
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Old 10-14-2005, 09:53 PM   #14
darioc
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listen to Hitokiri. he's saved my car a few times now!
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Old 10-14-2005, 09:57 PM   #15
darioc
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not to hijack, but do you know what turbo they are using?

yeah im sorry i was going on the assumption that you are catless. you dont want to put the wideband o2 sensor after a cat(s). you also dont want to put it too close either. it has to be about 20"-24" from the turbo.

the stock wastegate on the tdo4 will hole 8.5 psi and will spike more than that with a good exhaust. youll never keep it to 5-6psi.
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Old 10-14-2005, 10:16 PM   #16
reddevil
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They are using the new Momentum turbochargers.
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Old 10-14-2005, 10:36 PM   #17
Sko
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7psi?

Thats not crazy high, but I figured they would tune at 6psi, any more than 8psi and I would probably question it's reliability. But 8 would be ok too, .

So you rode in it today? How is it compared to STi/WRX ride, and do you know if it got dyno'ed yet?

Nick
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Old 10-14-2005, 10:49 PM   #18
reddevil
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Well, to tell you the truth, I have never ridden in a WRX or STI.

Its faster than mine, I think (and of course it should be with the extra dispacement). Mine has a much more linear powerband and of course the turbo has a turbo powerband. So the comparison doesnt quite feel right.

Its slower than a 17 psi 3 liter Volks VR6. But then again most cars are.

But is it fast? Yes. How fast? No freaking clue.

Dyno numbers? Should be 200-220 without a problem.
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Old 10-14-2005, 10:53 PM   #19
Sko
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yea, I'm expecting close to 300+...

Hopefully with my setup they will get me there, just 300 at the crank and I'm happy.

BTW, I have an aquamist WI system ready to go in with the turbo, along with a 3-piece pully kit, and the exhaust I'm going to use will be the invidia G200, so with all that I think 300 should be possible.

Nick

Last edited by Sko; 10-15-2005 at 12:22 AM.
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