R robocopp Guest Sep 19, 2005 #1 I need the correct timing mark for a 90 Suburban, 350 4x4, Throttle body, asnd can't find a vacumn advance hose. Any tips?
I need the correct timing mark for a 90 Suburban, 350 4x4, Throttle body, asnd can't find a vacumn advance hose. Any tips?
