solar7647
Lieutenant Junior Grade
- Joined
- Apr 23, 2009
- Messages
- 1,218
Hey folks..... Does anyone know the thread size for 87 4.3l merc 262ci 205hp... 4 barrel carb... Alpha 1 drive.... I seem to have miss placed my plugs since winterizing and need to replace them ... I need to know the thread size for the block And manifolds.... Thanks