We bought a handful of new engines a while back and also got a couple engines in a sellout deal at some point. I've since gotten them mixed up after a year and a half of sitting around at the shop.
Pulled one apart today assuming it had never been run.
Hemi
Combustion chamber black
Piston surface black.
Residual oil only in crankcase.
Darker amber oil
Very little residue in crankcase
Still had governor, carb, tank, and stock exhaust.
Spark plug missing
Stock airbox missing but I may have pulled it off a while back to compare carburetors. Can't remember.
My questions are these.
When the manufacturer test runs these engines, do they run them long enough for soot/black to cover the piston and combustion chamber?
What have you guys seen when pulling apart new engines from the box?
I fear I may have an engine that has been run in a box stock class for an unknown amount of races. It's possible that it came from the sellout deal.
Thanks
Pulled one apart today assuming it had never been run.
Hemi
Combustion chamber black
Piston surface black.
Residual oil only in crankcase.
Darker amber oil
Very little residue in crankcase
Still had governor, carb, tank, and stock exhaust.
Spark plug missing
Stock airbox missing but I may have pulled it off a while back to compare carburetors. Can't remember.
My questions are these.
When the manufacturer test runs these engines, do they run them long enough for soot/black to cover the piston and combustion chamber?
What have you guys seen when pulling apart new engines from the box?
I fear I may have an engine that has been run in a box stock class for an unknown amount of races. It's possible that it came from the sellout deal.
Thanks