Quote:
Originally Posted by spareparts
I see you didn't cut the tuner. Shaun gave my buddy the dimensions to cut the tuner to make a 300 style out of it. from what we've been able to find out, they all use the same tuner, just cut to different lengths
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I think the 250XS needs to be stock as Merc had it for this boat. I fear the performance mods help top end, but I need a more fuel efficient package/less noise and as dependable as I can make it for what it is. From what I can tell the tuner looked identical to the 3.0L 225 EFI tuner. It ought to have some snap, we will find out next week.