Hi, I am ready to retune my car now that I have all the small issues from last year sorted out. Boost creep is gone and fuelsystem is upgraded enough for any outcome.

Current situation:
Driving the car on a map that made 42x whp with boostcreep over 8krpm last year.
Now I am boosting 6 psi from spool to redline. Very rich running.
Installed a Bosch 044 over last years walbro 255 in my tank just to be safer.
Running on E85, got kpro dual with rsx wideband and SOS 3bar mapsensor.
My thread: https://www.s2ki.com/forums/index.php?showtopic=683794

What I would like to achieve:
Activate my EBC solenoid and boost 10-12 psi from spool to redline.
Get a good tune and call it a day. Especially improvements in partial throttle operation.

I have seen some great comments about evans tuning in various threads, but their etune service has very little feedback responses at the etune page.
Is the etune a good idea? Can I expect a good result?

 

If you were NA with basic bolt-ons, then I think an eTune could turn out great, but not for your case.

 

Ok, thanks for the input.
My main problem is the lack of tuners that know what they are doing.
THere are a few, but they are all far away.

 

i think they'd be able to do a good enough job that you'd be satisfied, otherwise they wouldn't offer it

 

After spending LOTS of time tuning my own car, I would hope an eTuner would simply turn this one down. Full throttle tuning is easy, but I don't think it would be possible to do a good part throttle tune of a turbo via the web.

 

the tuner is going to have him do a lot of different driving and adjust things to make it better/safer/more powerful, I think it's just more time consuming and would take longer to complete than a dyno tune

 

I agree that is what the tuner would need, but getting a good / relevant datalog on the street to tune from is a serious BIATCH. I actually think the hardest part of tuning is getting a good datalog.

 

Maybe I should try to tune it myself then, I am not too fond of it but I have the basic knowledge. What I don't know is how much timing is reasonable.

Other option is to get to a tuner faaar away.

However, I can't see why an etune wouldnt work. I expect a tuner with several s2000s under his belt to be able to make a decent job. Making datalogs shouldnt be THAT tricky. Or is it?
If yes, how come? (Other than the obvious stuff that it means going fast on the road) What about partial throttle? Ignition and fuel between high/low cam sheets etc.

 

The reason why it's hard to get good datalogs for part throttle tuning is because it's so hard to maintain constant load, especially on the street. At low RPMs, tiny changes in throttle position make large differences in load, so the MAP jumps all over the place (and so does AFR). I would expect a turbo to be even worse. It's one of those "garbage in / garbage out" kind of things. An eTune is only going to be as good as the datalogs. However, at WOT, load is constant by default, so AFR is much more acurate. You can do a WOT tune in just a few minutes.

 

Here is what I had to do to get a good part throttle tune on the street. Doing this over the internet would have been very tiresome.

https://www.s2ki.com/forums/index.php?showtopic=789868