Better to lower F/P or change jet to adjust A/F?
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All the high pressure stuff is jetted for off the rail, but I think it acts a little weird with pressure drop and a bigger jet is needed. Once you change to a stand alone it is capable of keeping up with the demand a whole lot better. So you need to drop the fuel pressure some to get it back where it would have been. IMO
That robietherobot.com program helped me out a lot. Got me started with a much safer tune up than the pig rich tune it was when I first went to a stand alone.