The word you are looking for is interference not interface. The answer is no, the 4.3 liter Chevy is not an interference engine.
Where is the oil sending unit located on the 2001 Chevy 43. vortec engine?
Does a Chrysler Sebring 2008 have an interface or non interface engine
it's a data interface for all the systems in the car that arn't controlled by the engine control module
The engine light on a Chevy Colorado can be rest by connecting an OBD II reader to the interface port under the dash. Each code can then be reset which will disable the dash light until the error is detected again.
Owners manual, positive.
You don't need a diagram to find spark plugs on this engine. Follow the plug wires and you will find the plugs.
I am searching for 409 chevy engine
there isn't one.
No
Software that allows you to interface with the database engine. This software is used for upding, programming, viewing.
Sometimes this website can be helpful for decoding chevy engine numbers: http://www.nastyz28.com/chevy-engine-code-stampings.php
no