![]() ![]() If it was leaking there's too big of a chance it overheated and cracked the heads. Look for engines that do not have evidence of stop leak in the radiator/cooling system.Head gaskets leaking or a cracked casting that lets coolant into the combustion chamber will make the plugs look a lot different than a normal plug- look for uniformity. Look for heads having a spark plug (or spark plugs from adjacent cylinders) with no unusually colored deposits- or a lack of deposits that were removed by coolant getting into the chamber(s).This is a sure sign of a blown head gasket, bad intake gasket or cracked casting, any of which can lead to overheating and cracked heads. engines with water in the oil or oil in the water.No one replaces leaking coolant with antifreeze- they will use straight water 'until I fix it'. Engines with straight water, or without any coolant showing, may well have been losing coolant. engines that still have antifreeze in them.A missing thermostat is an indication the engine was running hot. engines that do not have the thermostat removed.These stand an excellent chance of being good, as long as the other things listed here pass inspection. To find heads from an assembled engine that have a better than average chance of being uncracked, look for: ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |