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Old 06-09-2004, 10:12 AM   #1
wrxracer55
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Default cobb stg 2, 93 oct. how much is too much?

i am running this tune via accessport, and currently have installed: buschur catted turboback, gutted uppipe, perrin inlet hose, samco maf hose, k&n drop in, jdm sti top mount, ported throttle body, walbro fuel pump. i have waiting for install deadbolt monster turbo (exhaust porting only). i am also thinking of porting/removing tgvs. am i pushing my luck? if so, is there anything i can do (besides removing the parts)? i was thinking of fuel rails or fpr to raise the fuel presure a little to richen things up a bit. any opinions? thanks
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Old 06-09-2004, 12:08 PM   #2
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You sound like my evil twin!

2004 Subaru WRX Sports Wagon
Perrin Pulley
Used Vishnu non-flex uppipe
TurboXS Stealthback no cat version
Prodrive axle back muffler
Cobb AccessECU Stage 2 93 octane map
Borla Headers
JDM Ver. 7 STi Intercooler40
2004 STi IC waterspray
Cobb AccessPort upgrade
Monster P&P & Internal P&P of stock turbo by Deadbolt
Turbo wrap on the exhaust housing by ThermoTec

I also plan on (one day) ported TB, Walbro, and TGV removal.

I asked Noah about this when I called Cobb last time. He didn't give me a good answer either way.
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Old 06-09-2004, 01:02 PM   #3
wrxracer55
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yeah, i talked to someone at cobb, and they told me there was no way to know without dyno testing
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Old 06-09-2004, 02:42 PM   #4
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Since you and I are apparently the only ones crazy enough to max it out, how do you like your set up? I ran door to door with a stock STi. After that, I got my new turbo and fixed my boost problem and went from 13.5PSI to 15.5PSI. I now have no fear of the VF 30 crowd.
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Old 06-09-2004, 03:04 PM   #5
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unabomber, new meaning a new TD04?
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Old 06-09-2004, 03:47 PM   #6
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Yes, by new I mean my Monster P&P & Internal P&P stock turbo by Deadbolt. My Uncle Scotty made me do it, it wasn't my idea. It's worth it though for those that like low end power.
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Old 06-09-2004, 06:15 PM   #7
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i like it so far. 3rd gear is awesome. i just installed act clutch/flywheel, and its even better. haven't installed the turbo yet, but i can't wait. i had a turbo that i bought off ebay, and did mild port work to, and it was a noticible increase, i took it back apart to do a little more, and it slipped, and i bent 2 of the exhaust fins. pissed me off.
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Old 06-09-2004, 08:50 PM   #8
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good to know the stage 2 doesn't go crazy with the ported stocker. might be my next move unless I get crazy and do the 2.5 up grade.
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Old 06-09-2004, 09:00 PM   #9
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Believe it or not, I have driven a Stage 2.5 back to back with my car. I wasn't impressed as much as I thought I would be. In fact, I do believe I could hold my own against one. If I had half a brain at the time, I would have done a little "test" to find out. The top end is a little better maybe, but I would dominate on the low end and probably do REAL well up high thanks to the header.
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Old 06-10-2004, 07:35 AM   #10
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top floor
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Old 06-10-2004, 12:57 PM   #11
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Una... Are you running the stage 2 or stage 2.5 map? This sounds like a great alternative to spending 1k+ on the 2.5 set up you can get the monster p&p with everything for 570 after good core and have money left over...
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Old 06-10-2004, 02:12 PM   #12
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If you do the P&P on the stock turbo, does it matter how many miles are on it? I've got 100k on my turbo and it still runs great(4EAT), but I'm not clear on what a "good" core is.


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Old 06-10-2004, 02:46 PM   #13
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And I Quote "Core Refund Information

When a core is received it will be disassembled, inspected, and if deemed a "good" core (i.e. needs no repairs or work) the dealer or customer will be issued a check, money order, or paypal for the $200 core charge.

If the core unit is deemed to need work, the following core allowance chart will apply:

Core 1 - Standard core refund $200. Unit needs no more than standard refreshing, less than 2 bushings, no seals damaged, exhaust turbine and compressor are both in good/undamaged condition.

Core 2 - Extensively Damaged core refund $100. Unit has one or more of the following: Damaged compressor wheel, damaged propeller shaft, damaged exhaust turbine, 2 or more damaged or severely worn bushings.

Core 4 - Non-suitable core refund $75. Unit has several of the following: Damaged compressor wheel, damaged propeller shaft, damaged exhaust turbine, damaged internal seals, 2 or more damaged or severely worn bushings, OR damaged exhaust housing, damaged compressor housing, or other damage deeming it unsuitable for refreshing/rebuilding or remarketing."
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Old 06-10-2004, 03:06 PM   #14
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I'm running the Stage 2 map. If I was to recommend a cheaper simpler upgrade than a Stage 2.5, it would be Borla headers ($450ish) and a Deadbolt turbo. Both add torque, the turbo down low, the headers up high. Both are really simple to bolt on. Combined total for basic Monster service + headers, should be $650 + shipping + incidentals.

If you send Deadolt your turbo, for $50 he will take it apart and tell you if it's good or not. I used a buddy of mine's stock turbo. While it wasn't off his car long, I went ahead with the tear down/inspect to make triple sure it was fine. $50 goes a long way towards easing your mind.
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Old 06-10-2004, 03:52 PM   #15
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So with this service, your turbo will get a nice tune up... would it be recommended to do this for such a well-used turbo? Or will they replace the wear parts anyways?

<= friggin newb

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Old 06-10-2004, 06:02 PM   #16
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when you trade in your turbo on a monster port turbo, you get a rebuilt, ported turbo with warranty. i got mine for 499 on ebay, plus i will get a 200 core refund. thats 295 for a warrantied ported turbo.
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Old 06-10-2004, 07:17 PM   #17
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Adam,

For the BEST answer post your questions in this thread or email Jerry at Deadbolt directly. He is VERY good at answering questions.
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Old 06-10-2004, 08:08 PM   #18
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I personally think it is a rip off. $300 for a ported and polished turbo? I can pick a used vf30/34 for $400-$500. A local guy has his vf30 powered wagon dyno tuned at 310 WHP. I took a ride in that car and it is mad fast. He was going to let me drive but we where both drinking at the Subie meet. I can do turbo porting myself with the help of family friend who builds motors including my dads race motors. He told me it would take an hour to an hour and a half to do a complete port and polish of the turbo. He said with my porting experience I should be able to do it in the same time +/- 30 min. $300 is a rip off for a mod with very little gain. My 2 cents.
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Old 06-10-2004, 08:39 PM   #19
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You can pick up a turbo for $4-500. Add $300 injectors to that. Then add $100 for a fuel pump. Installation costs and increased hassle of the pump/injectors is another factor. Don't forget engine management that will support over 300 WHP, that's $1000 for a UTEC. Tuning isn't cheap either, lets guesstimate $200.

While your opinion is correct, my "rip off route" is FAR cheaper and FAR easier than your route. This isn't meant to subterfuge your post, I just want you to see the dollar figures. Many of us simply can't afford it. Plus there is the Machiavellian pride in maximizing what we have!
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Old 06-10-2004, 08:50 PM   #20
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Yes you are right but I saw a used vf 34 for $450 the other day, sti injectors for 250 used, and you can get a new fuel pump for 90. I picked an access port for $350 long story lol and I got extremly lucky and could turn around and sell it for $600. For me to go cobb 2.5 i only need $800.
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Old 06-10-2004, 11:22 PM   #21
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Yeah........but that's cheating!

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Old 06-11-2004, 09:16 AM   #22
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LOL. gonna install the turbo and egt gauge today, hopefully all will be well. i'll let you guys know how it turns out.
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Old 06-11-2004, 05:19 PM   #23
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got the turbo in, but didn't get to the gauge. will be a few days. its ok, b'c the turbo has a 250 mile break in period anyway. i'll keep you posted. now back to the original question, anyone have fpr or fuel rails to increase fuel flow?
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Old 06-22-2004, 06:21 PM   #24
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i got the gauge in, and good news. i mounted the sensor in the cast dimple on the drivers side manifold between 2 and 4. cruising at 70, it is just below 1400. floor it, and it hasn't passed 1500 yet. idles at 850-900. so far, so good. and by the way, i love the deadbolt turbo.
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Old 06-30-2004, 09:53 PM   #25
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well the real difference here is that for the $300 not only do you get a p+p you get a rebuilt turbo that you have no doubts about where a used vf30/34 could already be roached then your out more money for a rebuild or annother turbo. I kind of like the idea myself, but I've also already been thinking about the 2.5 don't know what I'll do.
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