Quote:
Originally Posted by parmas
Agreed. But What if you don't have access of a dyno or knock control system, how would you tune for w.i?
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I have been dyno tuning for 12 years. What I have found is that ''tuners'' are often just dyno operator. They are not that good at tuning even after many years. A lot of dyno operator can tune WOT pretty good but they lack in all the many engine table parameters that can make an engine reliable and or win races.
A dyno is truly the best way to find optimum advance since the conditions will be perfect to measure. When you don't have access to a dyno you are required to tune on the same day, same stretch of road, same wind condition and start each run at an exact same speed. Some guys also use an accelerometer to complement tuning.
That's how I started until I realised I could not get accurate enough. It was also very time consuming to reach a good tune. I know you spray a lot yourself so you could even have past MBT. If that is the case then expect the engine bearings and headgasket to be short lived just like FI_Rubicon...