I think the aluminum cam gear was concidered to be more Heavy Duty.

My 1957 322 Buick engine has double roller timing gear set while the cars had single...

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD