LT1 No start kick back
It has 117,000 miles and previous maintenance is unknown.
Had to replace the Bendix drive on the starter to get to this point; but when trying to start, the motor will crank and then once you let go of the key the motor will kick back.
Hopefully it hasn't destroyed a rod or valve yet, but what exactly would be the cause or things I can check.
Would the Optispark cause this condition?
Or does it looked like it jumped timing?
Appreciate any help.


