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Old 04-04-2005, 07:21 PM   #1
Junk
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Question UTEC tuning

I am new to tuning. I was wondering if anyone can tell me what the the numbers on the maps present as in amounts the settings are equal to and how exactly do you tune for a new mod? I look at the map display and my brain turns to POOP. I found out that when you increase the boost section on the map by 25 it is equal to about 1 psi raise in boost but I dont know about the timing and fuel. I want to road tune the car because I keep running into forums that talk about how they went to have there car dyno tuned and everything went excellent untill the car was put on the road then knocking began all over the RPM range. I have been running my stock setting untill I can get some solid answers. I dont want to brake something.and I tend to drive pretty hard when I am out playing. How do you know where in the maps to make the adjustments and in what direction(+ or -) to go with the adjustments? My mods are as follows: (if it makes a difference)UTEC, TXS stealth back exaust, SPT(borla) axle back muffler(I like loud but not pull me over and hand me a ticket loud) high flow intake elbo(replacement of resonator box) perrin drop in foam fillter. Car: 2002 WRX. I am running Stage 2 base map and I need to road tune for the non TXS parts. this is about all the engine modes I will do because I want my car to last for a little while and engine rebuilds are not cheap. Can anyone explain in decent detail how to go about all this with out blowing something up?
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Old 04-04-2005, 07:30 PM   #2
Gethin
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1. Read the UTEC manual

http://www.turboxs.com/_images/UTEC/...nual%204.2.pdf

2. Read Mick's tuning guide

http://www.pdxtuning.com/utec_tune_g...12_02_2004.pdf


3. Read read and read some more. Post logs in the Engine Management forum using
logger 1.

As you can see you can't do much without a EGT gauge and a wideband O2 setup.

Also read up on http://www.wrxhackers.com/

Good luck.
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Old 04-04-2005, 09:24 PM   #3
Junk
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yes I have all that downloaded right on my laptop for easy access. but it still doesnt give much detail on what areas to tune and how to tune for new mods. I plan on getting the wideband O2 setup and an egt gauge of some sort but that still doesnt tell me what I need to focus on as far as making the best of my mods....Maybe I read the manuals wrong or something. should I get it tuned on a dyno and just go from there? as far as the WRXhackers site I am a new member there but for some reason or another I can never get in to that site on weekends.
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Old 04-04-2005, 10:46 PM   #4
Junk
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OOOPS!!! my bad I didnt have the latest version of micks quick guide(idiot on the rise) thanx for the info. I think I might go have my car dyno tuned just be safe and get a better starting point incase I add a new part or decide to make my own maps for verious situations(like crapy gas or playing in the dirt) but any tuning tip would be greatly praised or any detailed procedures that might be of use for us newbers
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Old 04-04-2005, 11:02 PM   #5
Junk
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oh I almost forgot. is there a wideband O2 sensor that can replace the OEM wideband O2 sensor that the utec can read directly with out having to intall other additional equipment so the utec can get an accurate reading on the logger with out having to compare to different readings or do I have to just bite the bullet and buy an expensive O2 set up that I will use only when tuning(which will not be too often being I only go out and play on weekends if the weather is nice)and if there is such a beast, who sells it and what is the best brand
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Old 04-05-2005, 02:36 PM   #6
Gethin
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Best bet is to get the TurboXS Tuner, which shows the AFR in the UTEC log. If you get something else like the LM1 or the Zeitronix AFR then you need to stitch the log files together, or use third party utilities, not fun for newbies like us. You leave the OEM front o2 in there (front manifold) or you will get a CEL, same goes for the rear o2 that's in the rear of the downpipe. You will have to put a bung in the downpipe around 6-10" from the Turbo to tap in the new Wideband o2.
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Old 04-05-2005, 05:56 PM   #7
Junk
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Cool deal I guess I will just have to keep saving for the tuner. I installed the TXS down pipe and it came with a bung some where in that general area as you had mentioned so I am guessing that will do the job, although and I going to have to be constantly having to retune or just when I add a new mod to the car. the only thing I may add later on when my OEM turbo unit begins to take a dump I will probably install an up pipe and an IHI turbo w/ball bearings but I have no desire to wear out my engine too prematurely so that will be the extent of my mods untill it is time for my engine to get rebuilt. but the tuner is costly if it will only be used a few times and put on the shelf. do you have one?If so, how often do you use it? thanx for the advice by the way.
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Old 04-07-2005, 06:15 PM   #8
Junk
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WOO!HOO! I just got my car dyno tuned today and it ran great, much better then I expected.the only bad thing is I found out my turbo is beginning to wear out( piece of crap factory turbo ) and the boost was a bit hard to bring up because of three years of hard driving on restrictive factory componants. I had my car tuned @ SGP Racing in Houstin, Tx. on their Dyna Pack Dynamometer. I would like to give props to Mark and all his crew there and say beautifully done and I look forward to doing the turbo upgrade.
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