Head Gasket [75 to 80]
Gasket matches the block year, not the
head.
Felpro part is 21157PT1
Head Gasket [81 to 83]
Gasket matches the block year, not the
head.
Felpro part is 8799PT
Failed Gasket (not a Z gasket)
After head or headgasket went. Large water
droplets would blow out of #4 when doing a compression test.