DirtyComanche Posted July 2, 2007 Posted July 2, 2007 For a 4oh, renix era... Anybody have a clue how it's wired? I couldn't find the diagram in the manual, until I found it under the ECM stuff. Looks like the computer reads everything from it? :nuts: Don't think I can use it without a computron. I'm still trying to figure out the tach and oil pressure sender. Think I have them in the bag though... Oh, does anybody know of any cheap aftermarket gauges?
Eagle Posted July 2, 2007 Posted July 2, 2007 Which coolant temp sensor, the one in the head for the gauges, or the one in the block for the ECU?
DirtyComanche Posted July 3, 2007 Author Posted July 3, 2007 Wait... Where's the one in the head? I was looking at the one in the block and going 'This thing plugs into the ECM, how am I gonna use this?'
DirtyComanche Posted July 4, 2007 Author Posted July 4, 2007 I take it is that stubby stud like thing beside the ground strap at the back of the block?
Eagle Posted July 4, 2007 Posted July 4, 2007 All the way to the back of the head (not block), driver's side. Screws into a hole in the top of the head, so it's vertical. It has a single wire coming off it. What'cha doin"?
DirtyComanche Posted July 4, 2007 Author Posted July 4, 2007 I ment head, I think it's that one. What type of connector style was it? I seem to have lost it in the mess. I think it was just a single rubber boot that slipped over it? No more EFI. Or wiring harness... I'm going to rebuild the wiring harness from the ground up with what I need (like, nothing...) and run propane. Gotta figure out my gauges, because I still need to know if I'm cooking the motor. Hope it all works.
Eagle Posted July 4, 2007 Posted July 4, 2007 I believe the factory connector was an 'L' shaped rubber push-on. The last one I remember working on was so oil-soaked (old '84 4-cyl) that the rubber was too loose to maintain contact, so I cut it off and used a conventional crimp-on ring terminal on the wire. The sender is threaded, so I was able to run a nut down on it. On the Renix stuff, the gauges run independent of the ECU so you should be able to feed them right off the senders. And you can run a 4.2L distributor out of an older YJ Wrangler or any AMC 6-cylinder 199/232/258 all the way back to about 1966.
DirtyComanche Posted July 4, 2007 Author Posted July 4, 2007 I've got a chevy HEI setup to go on for the disty. I don't like ford parts. And yeah, I've got all the gauges figured out AFAIK. The coolant one was throwing me off because of the other one... Apparently I live in the middle of nowhere, so I can't just order in some generic gauges and things like a nightswitch and dist drive gear. I love parts stores... The good news - I found a guy that does propane conversions and repairs that not only knows his stuff, but is nice enough to sell me rebuild kits for impco products at a great deal!
rockhardzj Posted July 5, 2007 Posted July 5, 2007 How are you doing the FI setup? Will you block off the injector holes, and have the fuel injected through the carb or whatever you call it? Custom intake manifold? Figure out how to re-use the injectors? Pardon my ignorance, if it was already answered, but I don't see anything about it.
DirtyComanche Posted July 5, 2007 Author Posted July 5, 2007 For a quick rundown on propane, see this page... http://comancheclub.com/forums/viewtopi ... 4&start=30 I briefly explained it. I have an offenhauser intake that is ment to put a 4BBL carb on an AMC 6er. The propane mixer is a 4bbl.
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