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Responses to a couple of questions pmed to me, I thought I'd add them here.
I reverted the busa to stock standard as I wanted a baseline from which to measure improvements. Over stock, simply changing the 2nd and 3rd gear ignition map restrictions and the top speed limiter gave little perceptible improvement over stock, (I haven't had a chance to wind it up 300 yet!). The reason the 2nd and 3rd gear restrictions didn't do too much was because the secondary throttle valves (STVA) are also restricted in movement and he pre-release software I'm using doesn't yet address them.
The big gains will come when I modify the bike from standard and tune the appropriate maps to suit. Being unable to tune the bike to the mods has been my biggest frustration with EFI ever since my first foray into EFI on the GPZ1100B1 back in 1981. I'd modified many carburetted big bore bikes and knew what could be gained from tuning to suit, but you never saw similar/relative gains on EFI bikes because the work-arounds were always compromises.
Yes, you can use your mate's interface to flash your ECU, but it will be a bit of a hassle and generally only if you're only going to change the 6th gear speed limiter and 2nd and 3rd gear restrictions, because all you'd need to do is swap ECUs, start a new map with a readily identifiable .bin name in ECU Editor, make appropriate setting changes and flash away. That is unless you or your mate is willing to make another pigtail or unwire his interface, wire it into your bike and then do the same again to put it back into his bike. Much easier to buy a ready made interface, because then you can really play with your ECU and dial in the appropriate tune for your new pipes, turbo, etc.
Camel
I reverted the busa to stock standard as I wanted a baseline from which to measure improvements. Over stock, simply changing the 2nd and 3rd gear ignition map restrictions and the top speed limiter gave little perceptible improvement over stock, (I haven't had a chance to wind it up 300 yet!). The reason the 2nd and 3rd gear restrictions didn't do too much was because the secondary throttle valves (STVA) are also restricted in movement and he pre-release software I'm using doesn't yet address them.
The big gains will come when I modify the bike from standard and tune the appropriate maps to suit. Being unable to tune the bike to the mods has been my biggest frustration with EFI ever since my first foray into EFI on the GPZ1100B1 back in 1981. I'd modified many carburetted big bore bikes and knew what could be gained from tuning to suit, but you never saw similar/relative gains on EFI bikes because the work-arounds were always compromises.
Yes, you can use your mate's interface to flash your ECU, but it will be a bit of a hassle and generally only if you're only going to change the 6th gear speed limiter and 2nd and 3rd gear restrictions, because all you'd need to do is swap ECUs, start a new map with a readily identifiable .bin name in ECU Editor, make appropriate setting changes and flash away. That is unless you or your mate is willing to make another pigtail or unwire his interface, wire it into your bike and then do the same again to put it back into his bike. Much easier to buy a ready made interface, because then you can really play with your ECU and dial in the appropriate tune for your new pipes, turbo, etc.
Camel