I'm checking out head gaskets on eBay. I see there are two types:
1. Pure metal
2. Metal with cork material.
Which one is most recommended?
Best M151 Head Gasket
Moderators: rickf, raymond, Mr. Recovery
Re: Best M151 Head Gasket
The thicker the gasket the lower the compression, the lower the compression the lower the power. I am pretty sure the original is the metal one, my set is out in the shelter and I am not going out there right this moment but I will check later. Use Permatex copper spray sealer on the metal gasket. Not too thick.
1964 M151A1
1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone
1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone
-
Mr. Recovery
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Re: Best M151 Head Gasket
I have never seen a M-151 head gasket with "cork" material, some of the stuff on e-bay is not for the M-151 motor. 
1960 M151 Run 1
1963 M151 Willys DoD 10-63 in Baltimore
1989 Alley Cat. "work in Progress"
NRA Life Member
American Legion Post 275 Fl
US Army 6 years 2nd Armored Cavalry Bindlach Germany
Colorado Army Nat. Guard 5 years
Md Air Guard 15 years active duty on C-130's
1963 M151 Willys DoD 10-63 in Baltimore
1989 Alley Cat. "work in Progress"
NRA Life Member
American Legion Post 275 Fl
US Army 6 years 2nd Armored Cavalry Bindlach Germany
Colorado Army Nat. Guard 5 years
Md Air Guard 15 years active duty on C-130's
Re: Best M151 Head Gasket
Thanks guys. I'll buy the metal one (and it's cheaper too!).