Announcement

Collapse
No announcement yet.

Question Regarding 3500 (LX9) PCV System

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Question Regarding 3500 (LX9) PCV System

    It looks like my new motor may not have come with it the pcv system intact. It has some hoses but I don't recall seeing a PCV or remember if the hoses hooked into a vacuum source.

    There is a port for a hose on each rocker cover. Presently I am assuming one side gets vacuum through a pcv valve and connected to the plenum and the other rocker cover filtered air from before the TB? So it would pull fresh/filtered air from one valve cover, through the motor, and out the other valve cover pulled in to the plenum by the engines vacuum? Sound right?

    Should the system be the same as a 3400? Does anyone have a picture? Years ago when I had a 3.1 Beretta I remember the pcv line went from the intake manifold directly to the rear valve cover and the filtered air came in through the other valve cover. Will a similar setup work on a 3500? Will a 3400 pcv suffice?
    1991 Grand Prix GTP LX9swap/Getrag 284 --- SOLD =(
    1994 Corvette
    LT1/ZF6
    2006 Dodge Dakota 4x4
    3.7/42RLE

  • #2
    i just used 3400 pcv lines. the front goes up to the uim right behind the tb and the rear goes out to the far side of the maf on your intake.

    Comment


    • #3


      On mine the PCV is riveted on the valve cover. There's a single plastic line run to the UIM behind the throttle body.

      1990 ASC/McLaren Turbo Grand Prix 3500 swap GT3076R turbo 40lb/hr injectors FMIC LX9 coils Megasquirt2 v3.0

      Comment


      • #4
        The part rivited down is just the pcv valve. All the stock 3500 stuff should b fine unless ur running evap because the line between the pcv and uim is diffrent I think. For evap u need a nine that has a second piece that goes from the uim to the evap selinoid. I think there diffrent.

        Comment

        Working...
        X