Intake Manifold Gaskets 3.1l

[stuhrling]

My neighbor has a 96 Olds Cutlass Supreme that has the usual leaking intake manifold gaskets problem. He was looking up replacement gaskets for this engine but found that there is a 1st design and a 2nd design for this. He cannot discern which is the proper version. Is there a way to tell this before pulling everything apart?

 

Appreciate your insight!

[55trucker]

The 1st L82 engine design are all ball & pivot rocker arms, the later 2nd design engines are all roller rocker arms & pushrod guide equipped.

 Pull off the forward valve cover & inspect the rocker arms to see which you have.

[mfewtrail]

You should be able to see into the oil cap opening well enough to tell which rocker style you have. May or may not need a small inspection mirror to tell for sure...I don't remember it's been so long since I've looked at a 3100.

[cutlassdude96]

96+ have the roller rockers