420A fuel pressure regulator

[daveeclipse99]

hey guys . i just bought a walbro 255 high pressure fuel pump to feed my turboed 420a motor . will i need a fuel pressure regulator ? i have 750cc injectors too

thanks

 

[skatershawn]

YES.... i ran into this mistake... not getting a AFPR after installing my walbro 255... you wil l run rich!!
and do you have any kind of tuning device for the bigger injectors? cause you ECU isn't programmed for 750s meaning your car wont run correctly!!

 

[the_mork]

Profile says he runs megasquirt.

 

[skatershawn]

sorry... i just never heard of it and i assumed it was a haha thing!!
haha
i know i should have researched it!!

but back on topic... and again... yes get a AFPR!!
There is some nice looking ones for cheap on this forum in the classifieds
Got my there!!
good luck!!!

 

[daveeclipse99]

yes in running mega squirt. thanks for the help