Should I replace my rod bearings?

[mspiegle]

I currently have an engine sitting on a stand that will go into my track car. The engine ran perfectly fine with 150K before I removed it.

I'm currently doing whatever easy maintenance that I can while the engine is out of the car. That includes lots of seals/gaskets/etc. Since the engine is currently on a stand, I have easy access to remove the oil pan and do some "internal" work.

Should I bother doing the rod bearings if I don't plan on rebuilding the engine?
If I end up doing the rod bearings, is there a reason I SHOULDN'T use IE's race-coated rod bearings?
Is there anything else inside that I should be paying attention to?

Thanks!

[nando]

unless you're planning on rebuilding the engine, or there was rod knock, I'd say no. having pulled apart M20s with 220,000+ miles, it's unlikely there's any significant bearing wear at 150k.

as far as "race coated" IE bearings, that makes me want to chuckle. BMW seems to think the regular bearings are fine for things like the S50, so I'm pretty sure they can handle your M20. :p

[mspiegle]

unless you're planning on rebuilding the engine, or there was rod knock, I'd say no. having pulled apart M20s with 220,000+ miles, it's unlikely there's any significant bearing wear at 150k.

as far as "race coated" IE bearings, that makes me want to chuckle. BMW seems to think the regular bearings are fine for things like the S50, so I'm pretty sure they can handle your M20. :p

Sweet. I didn't really wanna muck around in there too much anyways. Not to mention... I'd probably chuck the M20 and put something else in if it ever blew up.

[MR 325]

If the motor ran fine, don't disturb the rod/main bearings. :)

[jlevie]

Now would be a great time to install a crank scraper. That will prevent oil from climbing the right side of the block in left hand turns and starving the pump.

I'd tend to agree on not changing the bearings, provided that the engine did have normal oil pressure.

[NC325iC]

electric supercharger!!!