Trying to help a close friend and "Boss" . I tried to shorten up this information, however I couldn't. I hope that this doesn't make you fall to sleep reading it, lol
Well, My Boss, whom is a close friend also, purchased a 1987 Jeep YJ
for his son , a few months ago. I am working on it for him, so his son will have a Jeep that will be somewhat dependable to drive, to a degree, if you know what I mean.
I will do my best to resolve some issues, with the help of others on this forum, that have the experience and know how, to guide me in any repairs, rerouting of vacuum lines, carburetor change out or rebuild, ect
I have been wrenching for a long time, however I am no Professional tech by any stretch of the imagination. I am familiar with a lot engines and have the mechanical ability to troubleshoot and repair most as long as I have done my research, and have the proper information, tools, money (his money) and time
I am trying to understand this nightmare of electrical and vacuum, and possibly running rich issues, the smell from exhaust is strong, sounds like a slight misfire that I can here, and I can put my finger in the exhaust tip, do a wipe, and get a heavy black soot finger....sounds like this part is rated "R" lol
" He says" "The Jeep will try and quit running, and sometimes it does, when he is backing down his driveway, which has a minor steepness to it"
also mentioned " When rocking the jeep from side to side by hand, it would stall out" however after i worked on it some yesterday, he tried the side to side shake, and it didn't stall out, however, that don't mean that I fixed it lol, it was on flat ground at my home.
The distributor vacuum advance, vacuum line, needs to go to a source that will allow the advanced to work properly, which I'm not sure where that need to go?. I have tested the mechanics of it and they appear to work when I put vacuum on the line
I know it needs distributor cap, rotor, plugs, wires, and possibly carb rebuild or just replace with a different brand. I have the equipment to do a compression test along with a cylinder leak down test, and electrical load test, however haven't got to that point yet. it is not at my home all the time for me to work on it
The Jeep has a I6, that looks pretty good on the surface, however it has a wiring mess, may have been "Nutter" if that is what it's called.
I feel like it is a electrical wiring nightmare at this point, also all the emissions components have been removed, except a few, from what I can see. The original carburetor has been replaced with a Holley 2 barrel which I have been trying to find the sweet spots on the mixture screws, which is not going to well. I think it needs a rebuild.
here are a few pics of the engine, some maybe a little dark. I asked him to take these for me this morning with his phone, of course I can get more detailed pics as needed, any information on it, about it, what it needs, moved, rerouted, ect will be appreciated, thanks for any help