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02-19-2013, 08:37 AM | #23 | |
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02-19-2013, 10:54 AM | #24 | |
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02-19-2013, 11:45 AM | #25 | |
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02-19-2013, 11:53 AM | #26 |
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Other than a slight difference in weight (roughly 22lbs.) and the driver, the cars are the exact same thing, same road and atmospheric conditions. Not to mention I don't have a sunroof so you could say we are even on weight. Not quite sure how exact you guys want this. You swear like a drop in filter (for example) will make some life altering difference in the runs. I am sure my friend and I can count on each other to hit the paddle shifter at redline.
Nevertheless this will still be a great way to compare the two tunes. This is how people have been comparing tunes for years if you didn't know. BTW, you were the deciding factor for my spacer/springs setup, thanks! |
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02-19-2013, 12:07 PM | #27 |
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Originally Posted by rantarM3
I think to validly compare tunes you'd have to run them on the same car, with the same driver, on the same course, and with similar atmospheric conditions. Your test will run an E90 v E92, different drivers, different tires, and it seems that in a not particularly controlled environment (i.e., the street). My prediction is that you won't be able to determine any meaningful difference, but I'm nevertheless interested in seeing what happens. Good luck and be safe. +1
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02-19-2013, 12:15 PM | #28 |
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The best way to eliminate driver influence is for both cars to put both cars DCT in the same mode, and both cars use vBox's. I'm not sure you remember seeing these, but my buddy made a program that can create a racing video directly from the vBox files. If you
tell the program to race from 40-140, 60-130, or whatever, then the program will line the cars up and create an exact video of the race based on the data in the vBox files. Everything is perfectly to scale and eliminates driver influence or one driver jumping the gun on the other, etc. Take a look: If you both don't have vBox's, go get them or borrow them. You'll like using them anyways. Then when you're done, send me the files and I'll have my buddy make the video. |
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02-19-2013, 12:24 PM | #29 | ||
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I do like that software, I just don't see myself buying it. |
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02-19-2013, 01:06 PM | #30 |
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Look, No matter what you do, Someone will start arguing about the way it was done unless its done with a video based on a VBOX files.
There's nothing to buy,It's 100% free. All you have to do is capture the runs on a VBOX and send me the files. |
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02-19-2013, 01:20 PM | #31 | |
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02-19-2013, 01:42 PM | #32 |
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Okay, where do I get this free VBOX?
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02-19-2013, 01:42 PM | #33 |
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Sti, forgetting about the tune, your smaller/lighter wheels and free air filter should give you a theoretical advantage, but we'll see if that's the case in the stock for stock (pre tune flash) comparos.
On the "different driver" question..why not just switch cars both before and after and see if results are similar. |
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02-19-2013, 01:50 PM | #34 | |
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02-19-2013, 04:24 PM | #36 |
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I think everyone is getting a bit ridiculous. If the race is that close that small things like a nanosecond quicker response in flicking the paddle shifter or someones nanosecond reaction time etc than for all intents and purposes the tunes would be considered pretty much the same (given stock vs stock pulls are equal)
The real point of this is if the two stock cars are equal, to look for one of the tunes to be significantly faster. If this is not the case than it will be clear from the video. Nobody is looking for miliseconds of difference here. Highway pulls with DCT tranny is about the easiest equalizer for any 2 drivers providing they can mash a gas pedal. Its an automatic and you slam the pedal. That is it. |
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02-19-2013, 04:41 PM | #37 |
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....hmmm it seems I stand corrected
I thought one had the whole EVO system. My bad. Carry on gentlemen!!!! This should be a blast to see!!!!!!
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02-19-2013, 05:38 PM | #38 | |
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02-19-2013, 06:07 PM | #39 |
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02-19-2013, 06:17 PM | #40 |
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Best possible way to do this is to use both software tunes on one car, not two with different mods and tire sizes etc.
Dyno the car with stock software as a baseline (min of 3 runs and take the average), clear adaptations, flash the car with BPM, re-dyno (min of 3 runs and take the average), clear adaptations, Flash the car with ESS and repeat the above process. After some dyno numbers have been established, V-Box runs would be an excellent addition to show how the numbers translate into a real world pull on the street. With all of the above being said, I do still look forward to seeing the results of your testing! |
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02-19-2013, 06:19 PM | #41 | |
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02-19-2013, 06:52 PM | #42 |
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02-19-2013, 11:33 PM | #43 |
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I do realize that they are locked to the VIN but putting tunes on the same car is in reality the only true way for a 100% accurate comparison.
At the very least I think both guys should be running stock wheel and tire sizes....... Maybe someone can loan the gentleman with the 305's a set of stock wheels/tires to make the comparison a little more legitimate! |
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02-20-2013, 01:42 AM | #44 | ||||
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Manari, read the quote above. Do you still have your OEM wheels? Maybe we can use yours for the pulls. Do you have PSS on your OEM? |
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