How to reset ignition timing for a 93 firebird. The engine is a 5.7
Saturday, June 25th, 2011 AT 10:46 PM
1 Reply
RASMATAZ
MECHANIC
75,992 POSTS
Refer to underhood sticker VECI-disconnect EST wire then check it with inductive timing light-timing off -adjust it then reconnect the EST wire and check timing again if its on the money