Just tumbling in Here. Howdy CPN!, Yea Dave, tough to index the dizzy with the balancer spun. That that don't kill you makes you stronger, I'm pretty sure.

Not a tough job on mine with all that rubber missing on the bottom. Puller rent is free.

I have a puller - wow, something I don't have to buy. I bought this one probably 25 years ago.

Now all you need is a proper installer.

O'Reilly's had the installer. Swapping out the harmonic balancer was fairly simple. I didn't remove the fan or the radiator or the front bumper. And....with the new balancer on (with the timing mark in the correct location) the Jeep fired right up. Imagine that! I've spent hours and hours chasing supposed electrical problems, changing parts that didn't need to be changed all because the timing was off - and I went through all the proper steps to set it accurately. Now we know if someone has a no start issue after removing cam shaft position sensor, they should visually inspect piston #1's TDC status using a flashlight shined into the plug hole - the harmonic balancer's timing mark could very well be in the wrong location.

Thanks for the input everyone!

Nice work. Thanks for sharing.

F-ing oil pressure is still low, low, low. Dash gauge shows about 12 psi at warm idle, hand-held pressure gauge shows under 10. Can't believe the new bearings wouldn't bring it up. It's a new oil pump too. This whole engine rebuild thing - the single most difficult part was removing the oil pan. I'd sooner swallow a gallon of anti-freeze than do that again. Don't make me do that again. Don't tell me the oil pump is bad. Don't.

Well done Dave. What does it run at, cold, and hot? Also I hope there is not a "5" on your oil bottle, unless it's 15-40.

Cam bearings can be a real issue with oil pressure. Good news is, not allot is enough.

DFlintstone - cold, at startup, it is over 30, warm it's showing just over 10 - this is on the dash gauge. No, there's no 5 on the bottle. I used 10w-30 with a zinc additive for break-in. Seems odd that the pressure wouldn't change at all after the re-build. And the engine sounds great while running. No chatter like you'd expect from extremely low pressure.

I could have guessed you have an 00'-01' from the oil pressure. For some reason those years seem disposed to low oil pressure sometimes, but run forever despite it. Cam bearings I imagine. As long as the valvetrain is quiet you're fine.

The valve train is quiet. I was just out checking pressure sending unit for the umpteenth time and made the executive decision a couple of hours ago that I'm just going to drive this Jeep til it breaks. Screw the oil pressure!