Changing crankshaft bearings with the engine in the car.

junkyardhero said
the gargantuan pain in all nine assholes of laying on the ground with **** dripping and dropping on your face while cussing and fussing on this job aside... what happens when you're done and (insert sing-songy voice) the oil pressure's still low?

while it's likely just the bearings are beat down, the possibility does exist that the crank could be pooched as well.

or maybe the oil pump is waxed ***...

i say throw some 50 weight at 'er and let it rip, see what time it is.

but if i'm doing mains, i'm doing rods-- in for a penny, in for a pound. what's another few hrs to yoink a motor at that point for the ease of working standing up.

I would be doing it standing up.

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Max1196 said
What about the cam bearings? They're just as old/ wore as the crank bearings.

Cam bearings don't see reciprocating wear, they see rotational. It has been my experience that crank bearings see far more wear than cam bearings.

RustyRatRod said
Also, consider what some have said. If the bearings and or crank need help, what about the cam bearings? What about the camshaft itself? The lifters? How sloppy is the timing chain? What about the rings? If this is a car you're gonna sell, then shyster it up and unload it. If you plan to keep it, you might want to rethink it.

When I sell something and I want top dollar, I do NOT want it coming back to haunt me. I make the car as mechanically sound as I can just to protect myself from looking like a liar and a cheat.
The camshaft is probably fine. all the rocker arms are secure with no play. The engine idles and runs great.
I will change the oil and try another oil pressure gauge first.
Thanks!