Hi Doug, thank you for your help. I would like to put everything back the way it should be if I can. Here's the story, it's an 87 Jimmy engine, with an 87 V20 cab and bed, on a (late?) 70s frame and running gear. It has a 203 transfer case, and the dana 44 front axle. There is probably no provision for the VSS on the 203 xfer case, although I haven't had it moving fast enough to bring that into the picture yet. I just moved it back in my driveway a couple of feet. First, I will rebuild the TBI, and then see about getting the VSS and oxygen sensor working. I should probably dig the stock manifolds out of the truck I am sending to the junkyard before it goes
. I just don't have the AIR tubes, nor do I know where they go, etc. Would there be a "correct" 205 I could use in this case that would have the VSS provision? For example, out of an 87 K30? Thanks again for all of your help.