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03-17-2007, 09:18 PM
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JESTR Tuning Results from IMP in Clifton, NJ
Despite the weather, the Evo and I took a trip to Jersey to meet up with John Estrada to get the vehicle tuned with the meth. This was done on a mustang dyno and the numbers below take into consideration the correction factor for the dyno.
361.15whp 395.25wtq Tuned @ 30psi w/ the meth to an 11.8 afr May have a little left on the table, but my boost controller is on the fritz. As Travis can testify, my Forge unit has gremlins. Lifetime warranty with Forge though, so they rock. Speaking of which, I hope JVG reads this because I'm going to call them and see if I can swap it out there since they're authorized for Forge or if I have to call Mike or someone at Forge directly. If you're wondering, with the mbc all the way closed it wouldn't hold any boost but when it was opened it would make 30 psi (this was actually what we wanted, so was a pleasant surprise...until after 5 runs when it started going 30-16-30-16...mind you the mbc is all the way OPEN so it should be making only 16 anyway...nuts I say!) Overall, John Estrada is an amazingly talented tuner and is actually willing to have you right next to him every step of the way and take the time to explain to you everything he's changing, why he's changing it, and what it's doing. Highly recommend him to anyone looking to get their dsm/evo/sti tuned. http://www.jestrtuning.com Gave out an awesome t-shirt and some vinyl goodies as well 
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JDM AWD Turbocharged Madness The "replacement for displacement" is measured in 'psi'! "You can lose a lot of money chasing women. But you'll never lose a woman chasing money." -A man much wiser than I 
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03-17-2007, 09:22 PM
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my car hit the rollers third out of 4 cars... (2 regular evo 9's and justins MR)... i got on the rollers and did a baseline pull with the map loaded in my accessport. 186hp, 186 tq... but the air/fuel was WAY out of whack (9.4:1).... we then unmarried the accessport and ran a baseline with NO EM and put down 166hp and 172tq. he proceeds to then tune the car using open source and gets the hp back up to 188 and tq to 184, but air fuel is still nuts and the car the entire time would not boost past 16.82psi.. its believed i have a boost leak of some sort but we were unable to pin point it while i was on the rollers... as far as my power making mods go i have a helix catless dp on the car, the buschur 3" catback with bullet muffler and a k&n drop in filter with the snorkel deleted. we calculated out the correction factor for his dyno to read similar to jestr's mustang dyno in FLA was 55%! ....which would put me at 291hp and 285tq...at 16.8 psi....27 degrees total timing and a 10.7 AFR @ WOT.... im disappointed in the numbers but i found an issue with my car that needs to be resolved before i go modding it any further which is a good thing i guess.. im making an appointment with adam at KTA to do a boost pressure test to find the leak(s) and then tweak the tune a lil bit.. time will tell
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2004 Subaru WRX STi - built. 344hp/346tq Moon Tuned 1995 Saturn SC1 - beater. 2006 Honda CBR 600RR - totaled. Last edited by 1320ride : 03-17-2007 at 09:27 PM.
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03-18-2007, 07:42 AM
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Good numbers Justin, Is there more left without major modding?
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03-18-2007, 11:05 AM
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Even if I added cams at this point...it'd just alter my powerband. 30psi is about it for the stock turbo/intercooler. I was very impressed w/ the tune and results. I was expecting 330/330 as Travis will tell you. He really made great power out of my mods and still kept it safe.
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JDM AWD Turbocharged Madness The "replacement for displacement" is measured in 'psi'! "You can lose a lot of money chasing women. But you'll never lose a woman chasing money." -A man much wiser than I
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03-18-2007, 11:11 AM
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yeah how bout that boost spike on the baseline run to 31psi with NO METH!!!!
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2004 Subaru WRX STi - built. 344hp/346tq Moon Tuned 1995 Saturn SC1 - beater. 2006 Honda CBR 600RR - totaled.
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03-18-2007, 11:23 AM
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Yes...the mbc gremlins were out in full effect ftl
 Lots of tq though! LOL
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JDM AWD Turbocharged Madness The "replacement for displacement" is measured in 'psi'! "You can lose a lot of money chasing women. But you'll never lose a woman chasing money." -A man much wiser than I
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03-18-2007, 11:28 AM
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Wow... Very confused. Is that a normal for your setup? Mod list again? Could you have pulled the WG line? How much more could it hold?
ROFL @ "dyno correction %"!
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03-18-2007, 11:34 AM
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It's above average for my setup, but not out of the range. All lines are fine, there was no questions it was the mbc. When it was turned all the way to the - it made the most boost but it would spike/fall...it only held the desired 30psi 5 or so runs before it went nuts again. It was set to 24psi for the base run but it spiked to 31psi...that was scary. Turned it down about 2 clicks, went to 16psi. Boost controller gremlins ftl.
Mod list: meth o2 housing 3" turbo-back exhaust open element k&n filter 255lph fuel pump forge mbc @ 30psi...when it would work properly forge wga
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JDM AWD Turbocharged Madness The "replacement for displacement" is measured in 'psi'! "You can lose a lot of money chasing women. But you'll never lose a woman chasing money." -A man much wiser than I
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03-18-2007, 12:08 PM
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Quote:
Anyhow, if that's about average then I am curious why the STi did lower than expectations? Most (I think all actually?) Mustangs notoriously read low. We all know that but that's very extreme if that dyno has no setup/operator problems. Also, interesting the AFR issues with the flashed ECU. One of the very reasons why I will never go with any flashed ECU. Why didn't you know it had WOT issues before you spent all that time and money going to the dyno? I dunno...
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03-18-2007, 12:19 PM
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it doesnt feel any different than the day i bought it other than the fact that it will not boost past 16.8 psi... he maxed the boost scale and it still would not produce any more boost. almost as if it was running wastegate pressure only, but from the stock run it ran 12-14 psi and on the flash a max of 16.8 and falling to 14.5. i dont have a wideband to tell me AFR and it still pulls pretty good in comparison to what i was used to... thus the 9.4:1 afr i was in shock... (and found a reason for shitty mpg) ideally it should be hitting 22psi and tapering to 17-18ish by redline on the stock internal gate. which would have put me above projected numbers.
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2004 Subaru WRX STi - built. 344hp/346tq Moon Tuned 1995 Saturn SC1 - beater. 2006 Honda CBR 600RR - totaled.
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03-18-2007, 12:23 PM
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Sounds like your bearings might be completely fucked too.
Yea, I would be REALLY worried why that car didn't make any power. Saying it would be at or above projected #s at higher boost isn't the solution if your #s are really low at lower boost. Also, another reason why flashed ECUs suck ass especially when you cannot see what's going on. Pick up a WB02.
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03-18-2007, 12:47 PM
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why would it sound like bearings are fucked bearings wont affect boost..wait let me clarify that... rod and main bearings should have little to no effect on boost. bearings in the turbo could but the turbo is spooling fine...it gets to 16.8psi and wont go above..
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2004 Subaru WRX STi - built. 344hp/346tq Moon Tuned 1995 Saturn SC1 - beater. 2006 Honda CBR 600RR - totaled. Last edited by 1320ride : 03-18-2007 at 12:51 PM.
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03-18-2007, 12:52 PM
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Quote:
BTW, your #s are typoed in your sig... Last edited by Shawn96VR-4 : 03-18-2007 at 12:56 PM.
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