I have a LQ4 with LS3 intake and heads and a LS6 Valley cover. My question is this: Where is the vacuum hose that hook up right near the MAF supposed to come from in my setup. As I plugged up the back two ports of the vacuum system as shown here:
http://www.ls1howto.com/index.php?article=18
I think the original one came from the drivers rear on the valve cover, correct?