Sounds as if you have some wires crossed.
timing advanced, 180 out, Chevy requires delayed vacuum for advance, did you change the vacuum supply location? firing order 18436572 clockwise on distributer, turning distributer counterclock wise advances timing,
backfire is the best! rubbish! loosers L
Cars do backfire because of the mechanical failures.
The duration of Backfire - film - is 1.5 hours.
Pardon My Backfire was created on 1953-08-15.
Smiling Can Backfire was created on 2007-12-31.
Backfire - film - was created on 1988-06-21.
Backfire at the Disco was created on 2007-04-09.
Internal combustion engines can backfire. In order to prevent flames from the backfire causing a fire on board, an approved backfire flame arrestor must be attached to the air intake with a flame tight connection.
Incorrect Timing Can Cause Backfire.
Guns backfire when there is something blocking the hole in thee end of the barrel
I think you are hearing pressure pops. Not a backfire.