Separate names with a comma.
516's are closed chamber heads with smaller valves.
I would drive that on the street!
I have turned my Mopar 383 6800 many times,7200 3 times,and 7500 1 time.
Yep you need a 355 or 391 gear.
I would find someone else or do it yourself.I bought a stroker motor from Speed O Motive out of CA and it lasted a whole 60 miles,due to a rookie...
I run my 383's very hard and they always hold together.I have turned mine 7800 Rpm but try to keep it 6800 Rpm.
With a few modifications you can really wake up a 383.I vote big block
I would add big tube headers,stall converter,391 or 410 gear,and a good ignition system.This added to what you have already done to the 440 will...
How many batteries do I need to power a 1964 Chrysler Imperial.350 or 462?