Jay,

I think both engines (216 & 261) are rated at about 4000 rpm max, so there won't be any gain in speed, but you would gain HP...

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