Vacuum CTOs

[Rusty84]

The 84 has one on it currently, that 5 port on the back of the manifold. I know I need two more to connect everything correctly, how do I know what kind I need? I did a search and it sounds like there are many different kinds, what do I do?
AW

[wrinkledmeat]

link (http://home.off-road.com/~wagoneer/tech/index.html)

If you have an 84 with 360/727 like mine you need the top three on the CTO list.

thermostat housing: J5358881,
3200853

front manifold: J3235917,
3229450,
3216448

back manifold: 33001669,
3238932

I hope this helps. Autozone will order them if you want to use their part numbers. They were cheapest for mine.

[Jeepzilla]

Hi Rusty! Best to put your engine type and displacement in your sig file. Lots of different applications depending. On my 81 258 I6, I have one CTO with five ports. Three go to distributor advance and two go to EGR valve. If you need to change it, take it off and go to NAPA. They still have those massive parts catalogs to look stuff up. The P/N is right on the part.