Yes, it should be going in the new 2014 Chevy Camaro z28.
4l60E or an r400 transmission
A 5W-30 works in most climates.
yes it will. but you may need to transfer all the sensors etc from the old engine to the donor engine so your wiring works properly.
I am searching for 409 chevy engine
No
Sometimes this website can be helpful for decoding chevy engine numbers: http://www.nastyz28.com/chevy-engine-code-stampings.php
what year is my 350 chevy engine K1201KRH
no
What Chevy engine has the casting number 3970011?
Yes. Chris Alston, at Alston Chassis Works, makes a kit, with everything you need.
The word you are looking for is interference not interface. The answer is no, the 4.3 liter Chevy is not an interference engine.
As long as the 350 is a fuel injected engine / TBI / Throttle Body Injection engine there is NO difference.