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Old 02-13-2006, 02:12 AM   #1
ccroach
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Join Date: Aug 2004
Location: vegas
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2002 VF30 WRX
PSM

Default STI TMIC ok with COBB stg. 2.5?

Now i've been doing lotsa searches on here so please don't flame me but i can't for the life of me find a reasonable conclusion, most people say it's just fine but others say EGT's and boost will both increase (no good). So can any of you fellas enlighten me with an answer to this question? Thanks guys .
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Old 02-13-2006, 02:43 AM   #2
ccroach
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Good 'ol 30 minute NASIOC bump
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Old 02-13-2006, 02:45 AM   #3
pityr
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Well, I added a ver. 7 to my car with an ECUTek stage 2 reflash and it lowered my EGTs...

It probably won't do anything to the car unless you tune for it.
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Old 02-13-2006, 02:57 AM   #4
23b_Rex
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as for egts and boost.. that's something you're gonna have to monitor

also.. in vegas i assume you're gonna be dealing with some heatsoak issues
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Old 02-13-2006, 03:21 AM   #5
ccroach
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Yup, i already have a CUSCO heat shield over the VF-30, I just hope the STI TMIC will agree with the COBB Acessport, think they'll get along fine?
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Old 02-13-2006, 04:06 AM   #6
supermarkus
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They will.
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Old 02-13-2006, 04:06 AM   #7
23b_Rex
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^ yes.. considering cobbs maps are for tmic's
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Old 02-13-2006, 04:37 AM   #8
ccroach
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Thanks alot for clearing up this issue fellas, i appreciate it! :beer:
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Old 02-13-2006, 10:21 AM   #9
sjs0433
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A buddy of mine has the usually goodies for a turbo upgrade, running a vf30, with a jdm sti tmic, its about 15% larger than the usdm sti tmic. His car is really fast. He's using AP and is just running the off the shelf map. Although only thing diffferent is he is running a manual boost controller at 20psi which is probably why it feels fast. Afr's are good too....the cobb maps are pretty rich.
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Old 03-05-2006, 03:08 PM   #10
Scott4DMny
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Bigger intercoolers = reduced detonation. Also, even if the IC has less of a pressure drop, the ecm will account for that and bleed off more via the wastegate. with less of a pressure drop, the turbo will just have less strain on it because it wont have to push as much boost as it did before. You will be fine. There should be no "drastic" change. PERIOD. Some people will say "YOU NEED TO HAVE IT PRO TUNED". Thats just not the case.

Scott
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Old 03-05-2006, 07:05 PM   #11
anthonyrb98
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i ran my cobb 2.5 setup with an ebay tmic for quite some time and everything was fine - a/f ratios and egts were well within safe values.
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Old 03-05-2006, 10:19 PM   #12
Unabomber
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Posting in the right forum helps as does reading the sticky at the top of that forum. PLEASE....spend more than 2 seconds to decide where you are going to post and be sure to read the stickies. People like you give us Moderators ulcers.
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Old 03-06-2006, 02:01 PM   #13
Steve Nastoff
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I've been running a version 7 STI intercooler with the Cobb 2.5 for 2 yrs. I carry 18.2 PSI as read on the Access Port which makes me believe that it is less restrictive. I ran this intercooler while I was at Stage 2 for about 6 months and have been very happy with it.
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