Thread: How to tell if you have the GOOD Lower Intake Manifold gaskets.

Originally Posted by matt5112

I do.

At the very least something like prestone long life.

my car has had dex in it ever since i had it i just swapped to the green after i had my issue. when i replace the LIM i might swap back. i guess GM recommends it for a reason. ill probably do some more research on it