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Old 05-30-2005, 12:14 AM   #1
02blue4you
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Default 1/4mile cobb vs. vishnu

i would like to see your timeslips of cobb stage 2. against vishnu stage 1 im leaning towards getting a accessport, but vishnu seems ok. and also what problems do they have
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Old 05-30-2005, 01:03 AM   #2
my_sti_1
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i have a vishnu stage 1 with a 100 octane map.

dyno dynamics: 307whp
dynojet: 335 whp

i should see a time of 12.6. i was planning on going to infineon on wednesday to time my sti but i just had my coilovers installed and the camber on the rear is too negative about -1.7 and there is not enough traction. i just raced a camaro and both 1st and 2nd gear was spinning. i never done that before. i thought it was pretty cool but i know my time will suffer so i'll have to get some rear camber bolts and have it realigned again with some r compound tires before i hit the 1320...sorry.
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Old 05-30-2005, 01:19 AM   #3
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my_sti_1, have you dyno'd w/ a 91 octane map just wondering? I have a feeling he's talking about a wrx however.

02blue4you, cars have large variances in power even with the same mods and the same tuner. Since you are considering an accessport, I'm assuming you aren't getting your car tuned. If so there is just so much variance depending on what brands of hardware you are using. Problems with Cobb: some people have been running lean. But then that's a problem with "mail-order" maps in general.


Anyways my point is that you are asking people to give you timeslips in order to conduct research as to which reflash to go with and I'm just saying that's not the best way to go about it. It's more important that you get tuned (or tune yourself).

Last edited by verc; 05-30-2005 at 01:32 AM.
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Old 05-30-2005, 07:02 AM   #4
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Quote:
Originally Posted by verc
my_sti_1, have you dyno'd w/ a 91 octane map just wondering? I have a feeling he's talking about a wrx however.
Yep, I have a feeling that a Vishnu Stage 1 WRX would not put down 335awhp on a dyno, any dyno, even on race gas.

I also make the assumption that he would like this done on pump gas.

I want an STI
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Old 05-30-2005, 10:28 AM   #5
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yea i was talking about wrx but yea i was planning on learning more about tuning and do it myself i was also thinking about utec
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Old 05-30-2005, 10:40 AM   #6
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[quote=verc]my_sti_1, have you dyno'd w/ a 91 octane map just wondering?

yes i had a map on 91 octane.

dynamics: 263whp
dynojet:284whp

numbers are with a catalytic converter. nothing special. i like my 100octane numbers better.
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Old 05-30-2005, 03:22 PM   #7
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Quote:
Originally Posted by 02blue4you
i would like to see your timeslips of cobb stage 2. against vishnu stage 1 im leaning towards getting a accessport, but vishnu seems ok. and also what problems do they have
My best with COBB stg 2 was 13.9@96mph in cold weather-60 degrees(I had like 10-20 passes with this setup).

Best so far with Vishnu stage 1 is 14.0@98mph in hot weather(80+ degrees).

I dont race at a fast track(always a headwind), and I run on 91 octane. Most of the fast COBB stg 2 WRX's are being run on 93octane and are on the east coast, not in cali. I have way more power with the Vishnu now, but my timeslips dont show that....however, my dyno charts do. Remember that the ET's are "mostly" the driver, and the trap speed is mostly how much WHP the car is putting out.
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Old 05-30-2005, 03:53 PM   #8
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Quote:
Originally Posted by Drews_WRX
I have way more power with the Vishnu now, but my timeslips dont show that....however, my dyno charts do. Remember that the ET's are "mostly" the driver, and the trap speed is mostly how much WHP the car is putting out.
Kind of contradictory. :wink:

Just kidding, but you should have said "But my TIMES dont show that not TIMESLIPS" because as you pointed out your trap does show you are making more power, in hotter weather too good job.

I would go away from Cobb from what I have read on here. Times/power dont seem to be up to par with the utec and ecutek.
You need to really think about what you want before you buy the EM.
Heres my little list of pros/cons between UTEC and Ecutek:
UTEC
Pro - Plug and Play, no tuning REQUIRED
Pro - Can have different maps (street and race gas)
Pro - Can tune yourself if you so desire
Con - The UTEC will run where you tell it to, and if conditions change enough it could be bad to your engine

Ecutek
Pro - Ecutek still keeps all the stock safety measures in place. If you start detonating it will pull timing and save your motor.
Pro - Keeps the "learning" function. If you add higher octane gas ecutek will add timing accordingly.
Con - As of yet, cant have maps
Con - As of yet, cant tune yourself
Con - Tuning is required, you have to pay for the software and then pay for the tuning

If any of thats wrong correct me. I know people have been saying that Ecutek is supposed to be releasing self tuning devices and adding the capability to have different maps, but i have heard that it was released yet.
I had the UTEC before, but switched to the Ecutek. I am kind of mad that i did because i really want a race gas tune. Now if i want one I either have to get a UTEC and run it in conjunction with the Ecutek software or buy another ECU and get a race gas tune on it and switch out ECU's when i go to the track.
The hydra is supposed to be pretty good too. Its pretty cheap for stand alone EM too.

Last edited by Phatron; 05-30-2005 at 03:58 PM.
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Old 05-30-2005, 07:31 PM   #9
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If you spend $500+ for an accessport, why not spend the extra cash and go with an ecuteck reflash and custom tune. Many cars are 240whp+ on a dynojet with stock turbos going this route, including mine. It cost me $750 for the tuning session and reflash tuned by Shiv from Vishnu. Reliable power for the past 8months. Only problem is if I upgrade the turbo, additional tuning would be necessary. Since my tune though, for me it is plenty of power for a daily driver. It will still accomidate minor mods and "learn" a little bit, but additional fuel and air would require a re-tune. It all depends on where you want to take your car. For me I knew I was stopping here and am fine with it knowing I have the "most" out of my setup and it is a custom tune. Obviously if you can, any custom tune is going to be better than an off-the-shelf map/program. But for the additional $250 it was worth it to me. good luck sorry, no times. Raced an M6 C5 though. From a roll, ate my friend up until third then he just left me. From a stop he was done up until about 90mph IIRC then he started to pull. Maybe mid-low 13sec on a track.
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Old 05-30-2005, 09:01 PM   #10
Timmysubie
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Good tuners arent everywhere.
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Old 06-01-2005, 08:45 PM   #11
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my_sti_1 where did you get your dynotune done? i just ordered vishnu stage 1 with xede, i am going to have shiv dyno tune both 100 octane and 91. i like your numbers!
dynamics: 263whp
dynojet:284whp
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Old 06-01-2005, 10:14 PM   #12
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Quote:
Originally Posted by 02blue4you
im leaning towards getting a accessport, but vishnu seems ok. and also what problems do they have
eachother.
(i crack myself up)
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Old 06-01-2005, 10:56 PM   #13
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Quote:
Originally Posted by dagspeed
my_sti_1 where did you get your dynotune done? i just ordered vishnu stage 1 with xede, i am going to have shiv dyno tune both 100 octane and 91. i like your numbers!
dynamics: 263whp
dynojet:284whp
hayward CA. boss performance shop. Shiv has his dyno there. Let him know that you want my map and he'll hook you up. Someone had these numbers before me and he used the 100 ocatne map and adjusted it specifically to my car. it took 10 minutes and that it.

$200 for dyno tuning time
$65 for test pipe tuning.
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Old 06-01-2005, 11:16 PM   #14
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I have a Cobb Stage II (91) with only a Helix downpipe, no exhaust yet, and I ran a 13.8 with a crappy 1.95 60-foot. A 1.8X 60-foot, which I was getting consistently when I was stock, and I would have easily gotten a 13.6 or even a 13.59 Add an exhaust and an uppipe and even better. I'm perfectly happy with my Cobb AP and I would highly recommend it. I just need to work on my launch.

Tony
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Old 06-02-2005, 01:42 AM   #15
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Quote:
Originally Posted by my_sti_1
$200 for dyno tuning time
$65 for test pipe tuning.
a extra $65 cause you have a test pipe>>>whats that about?
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Old 06-02-2005, 02:21 PM   #16
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Quote:
Originally Posted by MARKGSTI
a extra $65 cause you have a test pipe>>>whats that about?
Shiv lung replacement down the road
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Old 06-02-2005, 03:19 PM   #17
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Quote:
Originally Posted by Drews_WRX
Shiv lung replacement down the road
Thats B.S.

To each his own i guess...

BTW when you gonna hit up the track next time??
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Old 06-02-2005, 03:22 PM   #18
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i have cobb stage 2 i've ran a 13.1
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Old 06-02-2005, 03:59 PM   #19
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Quote:
Originally Posted by MARKGSTI
Thats B.S.

To each his own i guess...

BTW when you gonna hit up the track next time??
eerr...dont know. The clutch is going away slightly, which is another $500+, but Im always eager to see what she can do with my new found power. I might wait til the weather settles down a bit, I always seem to race in the heat.

FWIW-my buddies E500 sees my taillights often
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Old 06-02-2005, 04:01 PM   #20
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stock turbo on that stage 2? Best I've seen on here is mid-high 13s. Slip from the track, or is this g-tech? This is afterall the proven power bragging forum. Not calling BS, just looking for more definitive proof.
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Old 06-02-2005, 04:14 PM   #21
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i just bought a vishnu stage 1 unichip from a fellow member on here for 100 bucks.... uppipe/downpipe/unichip get installed this weekend i will give a follow up after install.... and some track times next week
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Old 06-02-2005, 04:44 PM   #22
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Quote:
Originally Posted by 1CLNWRX
If you spend $500+ for an accessport, why not spend the extra cash and go with an ecuteck reflash and custom tune. Many cars are 240whp+ on a dynojet with stock turbos going this route, including mine. It cost me $750 for the tuning session and reflash tuned by Shiv from Vishnu. Reliable power for the past 8months. Only problem is if I upgrade the turbo, additional tuning would be necessary. Since my tune though, for me it is plenty of power for a daily driver. It will still accomidate minor mods and "learn" a little bit, but additional fuel and air would require a re-tune. It all depends on where you want to take your car. For me I knew I was stopping here and am fine with it knowing I have the "most" out of my setup and it is a custom tune. Obviously if you can, any custom tune is going to be better than an off-the-shelf map/program. But for the additional $250 it was worth it to me. good luck sorry, no times. Raced an M6 C5 though. From a roll, ate my friend up until third then he just left me. From a stop he was done up until about 90mph IIRC then he started to pull. Maybe mid-low 13sec on a track.
This works if you live relatively close to a tuner. The nice thing about accessport though is that you can switch it back to stock anytime you need to, use the anti-theft map, and can read/clear CEL's etc....(which is nice in Ohio since we fail E-check if we have any CEL's) Also, since the AccessTuner is out, you still have the option to hit up a shop for a custom tune.
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Old 06-02-2005, 05:06 PM   #23
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Just for comparison, I run a Cobb 2.5 w/93octane and my best is 10.5@97mph in 1000 ft. I don't have a 1/4 track in the entire state. Yes, it's not a Cobb stage 2 like the thread asked, but...
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Old 06-02-2005, 09:30 PM   #24
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If you can, get a custom tune. That is all I am saying. Not only do you get more power in most cases but if there are going to be any issues you will more than likely work them out on a dyno. Mailing in your ecu to a company for a reflash or buying an accessport works, but it is not the most efficiant and is not specific to your car. When I went and did mine I drove for almost an hour. A guy that was there drove like 3hrs from CT to Norhtern NJ. It is up to you what you want in the end.
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Old 06-02-2005, 10:40 PM   #25
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[quote=jikhead]best is 10.5@97mph in 1000 ft. I don't have a 1/4 track in the entire state. QUOTE]

Lol...thats like a top fuel drag time that launches and just coasts the rest of the way down the track.
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