I have a WORKs flash, and I am planning on fine tuning with the UTEC. What should I use as a base map to tune from? I put the Stage 1 map on, but as I jumped on the gas the exhaust note was significantly different. Frankly it scared the noob, and so I went back to map 0. I am anxious to get tuning, and have not installed the tuner unit.

 

bump

 

biz ump

 

any one? Bump

 

My suggestion is noto to start tuning until you get your wideband setup. Just run it with Map0 for now. May be you can start tuning your boost for now by installing Maps in other position (other than Map0), then set everything to "ECU" in both fuel map and timing map. Start from a low number and work your way up.

I guess that's about what you can do now without a wideband.

 

Well there is a huge problem with your logic I think. Your car was already tuned. You should look at the timing for one thing from the tuned map (Which would be map 0) and see what they did with it. That way you can start by mimmicking what they did. You should also get a wideband so you can get an idea of the fuel they had set for ya and start there (So say they had it start at 10.5 and go up to 11:1 you just copy that and after you get all that done... then you can start tuning it more aggressively

 

I agree.. you should start by logging everything using MAP0 for some time, do runs in all the gears (within reason and sanity) try to gather as much data as you can, then you will need to reproduce your flashes timing map to start with. Without a wideband you won't be able to reproduce the AFR's yet, but you will also have to do that. Once you have a base map that reproduces fairly closely what your flash is doing, you can go through and refine it to your liking.

Before I built my first map, I did two things, I logged data for about a month, and learned as much as I can about my car, and other friends Evo's tunes (data logging on their cars also) until I had an idea what the cars run stock under different conditions. The key to a good tune is really understanding what your starting with, and knowing how changes you make affect things.

 

The whole point to you is it is already tuned... may not be perfect but should be much better than stock. By plugging in some other cars random numbers wont work. The other thing is you may have been flashed for compensation for fuel (Which the downloadable maps dont have). You really need to find out what your car does with thier tune (Both timing and fuel) and start by trying to duplicate it. After that is when you can start fine tuning it.

For comparison, I knew what I was doing and started with thier little map... before i even started the car I needed to change a whole bunch of the fuel parameters. After I got it to run decent AF/Rs is when I started to play with timing. I seem to get away with much more timing than I read alot of other people being ok to do but it works for me. I promise you with my map on your car it would go boom boom. Welcome to the world of tuning... just a hint also... get the car CLOSE to the perfect tune and leave it. You will never get it exactly right and will spend the rest of your life trying if want it. Too many variables will slightly change things from day to day. For instance... at the track I shoot for 12:1 AFR. Last time I went they were around 11.5 to 12:1. This to me is fine... if anything it runs safer. Dont tune it on a COLD night and then beat on it during the day without changing anything. I normally try to tune everything when it is hot outside after beating on it a little bit. This will give me real world driving so that way when I actually am beating on it around town it wont get too hot and start knocking because I tuned it after 2 pulls letting it cool down on a cold night. Just some helpful hinters to get ya started