that year had the jet engine option
Hesitation can be caused by several things: 1. A faulty throttle position sensor might cause hesitation. 2. A faulty MAP or MAF sensor might also cause hesitation. 3. A problem with the engine control module might cause hesitation.
If the check engine light is illuminated, start with scanning for codes.
try the EGR Valve, it worked for me
accelerator pump inside the carburator
It's lean. Could be something plugged in the carb.
I am searching for 409 chevy engine
What Chevy engine has the casting number 3970011?
what year is my 350 chevy engine K1201KRH
Sometimes this website can be helpful for decoding chevy engine numbers: http://www.nastyz28.com/chevy-engine-code-stampings.php