i purchased a spa gauge from kennedy , egt & boost
my quest is the drilling and tapping part ...
the directions they send are worthless !!! :mad:

is the hole you drill in the manofold 7/16 ???
is the tap you use 1/4 '' npt ???
also.......... where can i get a 1/4 '' npt tap ???

anyone that has installed these allready , give me some
direction please !!!!!!!!!!!!! :help:

the05hd :)

p.s. also where did you install the gauge ???????????????

most auto parts stores carry the tap, especially one that sells performance auto parts. you are close enough to Kennedy, maybe, and he might know of where to get it locally.