engine bearings

[Dmontes90]

I'm getting ready to start buying parr for my engine rebuild. I'll start with crank and con-rod bearings. Would I be good with standard bearings or should I spring for those special coated ones, like from VAC motorsport?

[Darky]

Hi
What you really want is 360 degree bearings. Not sure whether vac bearings are 360.
Standard bearings are 220 oil flow for the m42.
Cheers

[wazzu70]

The standard bearings are just fine. All new bearing sets include a 360deg thrust bearing (unlike the original 180deg).

The coated bearings can be helpful in a situation where you have low oil flow to prevent further damage. Outside of that its not really shown to have much gain. I ended up putting coated bearings in my engine because they werent much more expensive.

You don't need a 360deg oiling ring. Very few modern engines do. If the 220deg ring is good enough for the high revs of the S54, its just fine here IMO.