Challenger RTA
Well-Known Member
Break in oil. short and simple.
Good analogy of paint thickness.
Good analogy of paint thickness.
Last edited:
Science Friction: Squeezing the snake out of the oil!
- Thread starter Challenger RTA
- Start date
Xcudame
Well-Known Member
Very good videos. I have never used a break-in oil because by the time I assembly everything, check clearances and tolerances, run the oil pump with a drill motor while turning the engine by hand, the engine is pretty much broken in! I still use STP which some claim is not good, but I built engines with 100,000+ miles on them.
The machine shop, where I worked as a crankshaft grinder, used to parkerize all their camshafts, used assembly lube and ran the short blocks and long blocks in on an engine stand that turned the engine between 1000 and 2500 rpms. They checked all clearances and tolerances. That's why they had less than one percent "comebacks"!! And digging into the returns, 90%+ were costumer screw ups! Sometimes we just got a bad part, but very rare.
By the way, some rings seat much faster than others! Cast rings (no coating) seat very quickly. Chrome rings are seated before they ever go in the box! Moly rings are a pain to seat but last a long long time.
The machine shop, where I worked as a crankshaft grinder, used to parkerize all their camshafts, used assembly lube and ran the short blocks and long blocks in on an engine stand that turned the engine between 1000 and 2500 rpms. They checked all clearances and tolerances. That's why they had less than one percent "comebacks"!! And digging into the returns, 90%+ were costumer screw ups! Sometimes we just got a bad part, but very rare.
By the way, some rings seat much faster than others! Cast rings (no coating) seat very quickly. Chrome rings are seated before they ever go in the box! Moly rings are a pain to seat but last a long long time.
Similar threads
