Name that LIM gasket
 

I recently bought a ported and polished L36 LIM, and I'm just going over it once, mostly cleaning off some dirt and grime. (Not much else to do. Justin did a great job on this.)

One thing I noticed was a worn gasket. Rectangular thing, just behind and below the thermostat port. (See attachment.) What's that called, and is there a premade gasket or do I have to squeeze my own?

I don't see anywhere you could buy the gasket itself. But I noticed on rockauto that the intake plenum gasket kit comes with the gasket you need. $33 for your year.

http://www.kc2jga.com/gasket.jpg

It's called the coolant manifold gasket. I'm not sure of the part number and can't find it alone anywhere. If you're swapping LIM's you'll need the gasket kit anyway

Stop in to a dealer. They usually have them. Cheap too.

They sell that gasket at ZZP, if your planning to order other stuff, just order it. If that's all you need, go to a dealer and save the shipping.

Thanks! I don't have immediate plans to swap in that new LIM, but I'll definitely keep RockAuto and ZZP in mind when it's time. (ZZP calls it the intake manifold end cap gasket.)

That kit, metal LIM gaskets, and a set of coolant elbows are all I need for a LIM swap, correct?

And RTV silicone to do the LIM gaskets

IMO, I wouldn't get LIM gaskets from ZZP again. They didn't fit properly. Not sure how that's possible, they didn't and I had two engines in pieces at the time.

GM's fit great on both. ZZP's didn't sit right on the end seals, felt different......cheap.

I used ZZP ones on mine and they seemed to fit fine but then again there may have been a minor detail I didn't noticed since I do have a very limited experience with cars.

It was the end seals on the ones I experienced. They bowed up and wouldn't stay in the pin holes. Made it difficult to get the LIM situated properly while trying to use a third and fourth hand to hold them.