oil fro a rebuilt xe.

[octane]

what oil should i use for a freshly rebuilt c20xe.

[Adam]

Some nice thick 20/50

Then to a semi synth, 10-15/40

Then to the oil you want to run.

[octane]

what mileage sould it be changed?

[Stuart]

what did you change in your rebuild?

[octane]

new pistons , all bearings for crank, new cams and lifters. new water pump and oil pump, re-seated valves

[Stuart]

rings would have done lol.

go with whats been said