Originally Posted by oldandtired
I know we have been over this break in topic a couple of times.
1. Use zinc additive
2. Install outer springs only
3. Use reduced ratio rocker arms
4. Run 2000 to 2500 rpm, back and forth for first 30 minutes. These cams lube by the splash and changing rpm's moves the pattern around.
X2 i do all of the above and as it cools after break in i bump the motor over several times (every 5min or so) just to be sure there are no hot spots.May be a little overboard but never had a bad ending yet.