A different Q on 340 Vs 416

Sweeden Exhaust heat and heat stove on the exhaust to Air cleaner or is this a Summer only build
273 needs to swap out some 6 pack pistons to see the light
save the stock pistons for - well you can D Dish the 6 pack TRW style pistons for 9:1 closed chamber heads for Street, trucks, marine, motorhomes
the lower compression height pistons get scrapped
did put some on some hemi rods one time for a guys "spare parts build"