Cop Tzer,
I use an A'PEXi AVC-R boost controller and it is settup for 14 PSI With no problems ever. Anything over 15PSI over a prolonged period, the fuel system will dry up and go to a lean condition. Stage I is scheduled to go up to 16.5 PSI with the bigger injectors included in the kit.
My factory settings in the "Auto Stick" where 14 PSI and then drop to 12.5 PSI.
Ian
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