got my aem running the boost right now with the turbo xs valve. the valve seems to be surging in 3-4th gear only when running down the track dont know why. any ideas? is it not a good 1 to use?
car still pulls but i cas hear it comming up & down boost seems to hold as well.

going to order the gm valve tomorrow, just wanting to know if anyone else has used it

 

solenoid valve same thing,

ive heard the same just wondering if anyone has tried the turbo xs
has one sitting their so we used it. but doesnt want to work right