Hi David, all of my sixes have been pre-1984 and have the “in-ie” head pipe flange. This one has the “out-ie” head pipe flange. Do these still use a gasket? Do they seal any better to your knowledge?
SHORT BED 4-DOOR DIESEL: 1986 F350 4x4 under construction-- 7.3 IDIT ZF5+GVOD
STRAIGHT SIX 4X4: 1981 F150 2wd to 4x4-- 300 I6 close ratio diesel T19, hydroboost brakes, Saginaw steering
BIG F: 1995 F-Superduty under construction— converting to 6.9L IDI diesel ZF5+DNE2