Lean burn system delete
I would love to do an intake and carb but that's nearly $1000
Rather than continue an old thread, where you will get lost in the shuffle, post a new thread. Detail all the items regarding it. The year, engine, what you've done, what the problem is and so on. Especially the miles on the engine. Then we can all pile up on you.
Seriously, there are enough retired and currently working mechanics and tinkerers that we ought to figure it out.
It may be a lean burn, the unit looks like one but I've never seen one like that. My old '88 Diplomat had it on the air cleaner. Just to make sure, before you buy a new ignition system, replace your ballast resistor and hook a vacuum gauge to the intake. I'm looking at those headers and wondering how well the exhaust is flowing.
I had 2 Diplomats over the years. 1 was police interceptor version. That one had the LB behind the battery in the fender as well.
OP is on the right track to $#!tcan that lousy ignition system. You will need a different distributor AND carburetor. You need a carb with a vacuum nipple for vacuum advance, and of course a distributor with vacuum and centrifugal advance
Hello all! I know there is a lot of info out there about this subject. Believe me, I have been scouring through that info until my eyes hurt. I recently purchased a 1987 D150 LE with a 318 for my son for his first vehicle. I knew there would be repairs needed and I have done quite a bit to it. It has been running well until a week ago. It died on him on a busy highway and i had to rescue him.
Anyway, I have, prior to this, already replaced the plugs and wires, cap and rotor. I can't seem to find a vacuum leak. The air pump is not there. I tried a reman spark control unit (the one behind the battery) no luck. The same story, engine fires right up but idles like garbage and dies. Have to throw it into neutral and feather the throttle to keep her running. So I think I need to ditch the lean burn. From my research, some places say just get a kit like this https://www.jegs.com/i/JEGS/555/40500K/10002/-1 and some other info says I also need to replace the carb.
I can't find a definitive "this is what you need to do" to handle this issue. I'm hoping the gurus here can help be get down to brass taxes here. Thanks for any help.
Anyway, I have, prior to this, already replaced the plugs and wires, cap and rotor. I can't seem to find a vacuum leak. The air pump is not there. I tried a reman spark control unit (the one behind the battery) no luck. The same story, engine fires right up but idles like garbage and dies. Have to throw it into neutral and feather the throttle to keep her running. So I think I need to ditch the lean burn. From my research, some places say just get a kit like this https://www.jegs.com/i/JEGS/555/40500K/10002/-1 and some other info says I also need to replace the carb.
I can't find a definitive "this is what you need to do" to handle this issue. I'm hoping the gurus here can help be get down to brass taxes here. Thanks for any help.
Jeff Rowh














