Break-in oil

[sc440]

New 440, penn 30wt break-in oil sft cam. Did cam break-in, rechecked valve lash. Changed oil filter added another quart. How long should I run this before switching to non break-in oil?

 

[mr. b]

I run break in oil for 500 miles then change it

 

[turbine68rt]

I did break-in, changed oil and filter, ran it for 500 mi, changed both again, then annually from that point using VR-1.

 

[snakeoil24]

While in break in process remove valve covers and with a helper rotate engine and check to see if all lifters are rotating.if any are not stop and inspection t

 

[sc440]

While in break in process remove valve covers and with a helper rotate engine and check to see if all lifters are rotating.if any are not stop and inspection

I marked lifters and push rods with sharpie and checked for rotation, when I checked Valve lash after cam break-in valves was no more then .002 looser then I originally set them.

 

[sc440]

Cam is a bullet custom ground mild solid flat tappet.