ok Guys.. i had .040 restrictor on my 496 oiling hose .. very nice .. no problem .. i will check the room available and decide .if put singke or dual. i think this engine will run at 7200 rpm

1970 Cuda 496 street driven 9.22@150
1971 Demon 572 7.82@176
1957 Desoto Adventurer Convertible 345 Hemi
1958 Plymouth Fury Christine
2008 Dodge Ram 1500 Hemi
1970 Dodge ChallengerRT 6pack 4 speed 1 of 135
1968 Dodge Charger RT 4 speed