Misc problems with Vac press and spool time

[chrisred95gst]

i used to get 20-22 vac at idle when i first installed my 16g, it spooled a bit faster than it does now, it's only been a few hundred miles and i get a 16-17 vac reading and my spool up is a bit slower. any idea what the problem could be ? i've been watching my a/f meter and it hasn't been below .93 @ wot ever, what could cause this ? i did a compression test recently but not since the 16g.

could boost leak cause the off vac pressure?

what else might it be ? i'm not at full spool till like almost 4k wtf

 

[Diceman19]

sounds like a vac leak. they are very common. you need a leak tester IMO. search vfaq.com for instructions.

 

[chrisred95gst]

i have a hump hose conntecting my 16g outlet pipe and my lower icp to the fmic and it has a 1-2 mm tear in the hose, would that cause this ? i just don't see how but i'm guess is if the system isn't completely sealed that could be the problem ?