help with timing

[rtofflemire]

hey guys im wondering about max timing without spraying outside the bowl, i have mahle 155 pistons with extrude honed 370's with standard spray pattern. standard headgasket with the thin injector washers. the timing is set at 20 degrees but i would like to go 24-26 do you think all be ok? also i set the injector pop off at 4200psi but was also wondering if i could go higher to clear up some of the haze i have. its not a daily driver but i do drive it to work once a month and the constant haze is bugging me. thanks