94 olds vert and 2 othersreacted to
55trucker for a topic
Each of the intake manifolds design is unique to the upper plenum assembly.
If one wants to swap the intake manifold to or from the earlier design then one must also swap the upper plenum assembly.
Raffaelli and one otherreacted to
94 olds vert for a topic
I tried to do this as well probably back in 2010 or so. I couldn't find the parts I needed. So I just replaced the gaskets and moved on. I'd imagine finding the parts today would be very difficult.