![]() All of this makes me be believe that the arrow tune would HAVE to run LEANER than the TOR tune on a motorcycle with a gutted stock header. In addition to this If you look at the A/F table the full arrow tune actually has Leaner AF numbers in this same area. If you look really close to the full arrow tune and compare it with the TOR/Arrow slip on tune 20404 you will notice that The TOR tune Actually has Greater Air flow values in table F below 5500 Rpm and below 30% TP. I had thought about the full arrow tune but reading on this forum everyone says that it is not good for a stock header because it runs way to rich and the arrow full system flows way more fuel all over the rpm range. Do other people have the same experience with this tune? It smells rich and the exhaust tip black and sooty. My 675 seems to be running quite rich in these areas. From my understanding this tune was made to run with the EXUP enabled and in theory it would be running lean in all places the exup should be anything but fully open. I am currently running The TOR tune 20404. ![]() Now I have a few questions about the oem tunes for the different exhaust systems. I understand that the ecu uses L tables for low TP openings But what are the A/F values for the L table? Does the A/F table cover both tables F and L? If that is the case then why does table F have values in the areas that the ecu is running on table L If they are never being used? Just trying to understand how it works before change anything. On the F table and L tables, What are the units the numbers in these two tables represent? I am assuming they are air flow in CFM or liters per minute? My first Questions are about The tune ECU program and the values in the fuel tables. I have been looking at different tunes very close trying to understand how they work and I am getting very confused by what I see on the tables and what I read on this forum. I have been looking for a tune that compensates for the exup being disabled and noticed there are no oem tunes for this. I have a Daytona With TOR exhaust and exup disabled.
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