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1975 Brutally Simple Daily Driver


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I went for a little drive today.

 

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70 miles or so around hills and inclines and plenty of curves. Now I’m wondering what a sway bar would do for on road driving. Might be worth trying?

 

Anyhow… this morning I spent some time in the shop doing little things to get ready for EJS. I know that my license plates were low hanging fruit so I made some temporary mounts to get them up and out of harms way.

 

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This was all very much scraps I had around the shop. Kind of a “not even measure anything” type project. Couldn’t even bring myself to throw some any paint on the rear mount. It’s crooked too… doesn’t matter.

 

I also have a functioning parking brake!

 

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Also another junk around the shop type project. The adjuster was bottomed out so I added some spacers (lug nuts) to make up some additional adjustability. After that I noticed the new auxiliary tank looked a little puffed up just sitting in the sun. There’s no fuel in it yet, but it definitely needed to breathe. Some spare hose later and I’ve got a vent that comes out of the rollover valve. 

 

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Since I’m trying to talk myself into just driving to Moab, I passed the end cap at the parts store that has all the phone junk on it. I didn’t like any of the phone mounts so I just got the cheapest one to modify.

 

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A p-clamp and a bolt later and we’re good to go. Then came the drive. It was mostly awesome!… but the temp gauge had me nervous after I turned around for home.

 

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This was after a long(ish) grade but it stayed up when the road leveled out. I pulled over to let the city breathe for a minute and it went back down. For reference, the sensor is right on the side of the block and the gauge usually reads here…


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… but an inferred temperature gun tells me that it runs right around 210 like a normal 4.0. I don’t think the gauge is right on the money. Thinking about finding a different spot for the sensor? Most 4.0s read from either the thermostat housing or the back of the cylinder head.

 

Also, that fancy new fuel tank caught the sun the whole way on the return leg. 


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Felt like a laser beam at the back of my head. Otherwise, I’d say the practice run went pretty well. I haven’t really driven the Jeep that far in a very long time. On the way back into town I picked up a new radiator cap. Maybe the current cap has a bad seal?… stay tuned. Considering adding a second temp gauge with the sender in the thermostat housing. 

 

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11 hours ago, Pete M said:

I always wanted to own a tow dolly with electric brakes.  :(


Absolutely! This is the first time in a very long while that I wished I had bigger truck. Looks like I’ll be meeting up with Austin (xjrev10… remember him?!… good dude) in Moab. He suggested I build a J truck with a Cummins. :laugh:

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Okay… one week to go before I take off for Moab. Let’s start with getting a different temperature reading.


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I lucked out and O’Reilly’s and found the same temperature gauge that was already in the dash. That’s great after running the Jeep around today and comparing both the new and old gauge. The old one is definitely going to get the boot.

 

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There’s a 180° thermostat in there so that’s very comforting to see after a 30 mile drive. I had to do something about the blinding fuel tank also. 
 

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Fingers crossed that’ll do something for the better. It was what I had on the shelf that wasn’t black. After a bit more toodling around I stopped at my buddy’s shop to watch them do some Moab prep of their own.

 

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Another day closer. I changed the spark plugs today. They would’ve gone in three years ago when the engine got swapped and I just wanted to see how they were doing. Turns out they looked pretty good! Cylinders 1 and 6 did look a little worse than the rest, but that comes with the territory with that long intake manifold. Tire pressure also got set 28# after being at 35# for flat towing. Haven’t driven it yet but I’m hoping to take it out everyday this week so it can gain some trust.

 

Pics for clicks.

 

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I’ve got my “lose the shop” moment. After driving the CJ the last couple days, it’s really over cooling and I think it’s keeping the fuel injection in open loop and chugging gas. I ordered parts and I’m hoping to see them before Saturday.

 

Also… it’s leaking fuel at the tank. When the thing is running it’s got a steady dribble coming from a vent line. I’m wondering if it’s building pressure somehow? Might take my fuel cap and see what options I’ve got for different vented caps that fit. 
 

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2 hours ago, watchamakalit said:

Seems like that should be sufficient. 


And it is!! Here’s a before and after my drive home today.

 

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Sweet! Unfortunately, it’s back to a very old habit.

 

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Also on my way home… almost home, actually… I think the fuel line got hot. It was loosing power and I got it off the highway. I let it sit for a bit, cycled the key to get some fuel moving, and it fired right up after a few minutes. Had all the power back after that!

 

The intake manifold still has the goofy coolant passage plumbed through it because the carburetor needed heat(?). I think that needs to go. 

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8 hours ago, neohic said:


And it is!! Here’s a before and after my drive home today.

 

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Sweet! Unfortunately, it’s back to a very old habit.

 

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Also on my way home… almost home, actually… I think the fuel line got hot. It was loosing power and I got it off the highway. I let it sit for a bit, cycled the key to get some fuel moving, and it fired right up after a few minutes. Had all the power back after that!

 

The intake manifold still has the goofy coolant passage plumbed through it because the carburetor needed heat(?). I think that needs to go. 

Delete the headted manifold. You will thank yourself worlds over. 

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Another day closer to Moab. I’ve got a 16” electric fan that the tracking says I might see it tomorrow. Fingers crossed tight enough to squeak on that one. I took the mechanical fan off along with my fancy fan shroud. If the electric fan comes, great. If it doesn’t, then the mechanical fan will go back on but I’ll skip the fan shroud being it’s over achieving in the cooling department already. 

 

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It runs noticeably smoother without the fan hanging off the water pump! The wiring harness for the electric fan got run along with deleting the coolant passage through the intake manifold. I plugged all of the ports but left the front fitting open to vent out the rest of the coolant. I’ll get a somewhat loose fitting vacuum plug also. 

 

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There was another fitting in the block that I could use being I still need three spots for temperature readings, and it was a real buggar to get out.

 

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I made a tool being it was smaller than a 3/8” socket extension but bigger than a 1/4”. The block and plug also needed some persuasion with a torch to twist free. After than, the coolant fittings got rearranged, wiring extended, and a heat sock went over the new wire closest to the exhaust exit. The front sensor has tons of room between it and the manifold. 

 

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Then all of the lights got checked, gear got loaded, and I even planned ahead for wear my duffel bag will go.

 

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Under the driver’s seat, I managed to not even put anything there!… feels wrong to leave open space in a CJ5. In the meantime, the old mechanical fan is waiting on standby, but will also make the trip as a redundancy.

 

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One more day for packing and planning.

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39 minutes ago, watchamakalit said:

Makes me reminisce about dailying my cj7. Took a little planning to make a trip and fit everything.  Maybe its time to revive the old girl.......


:beerchug:

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