The 1996 Geo Tracker 1.6 liter engine timing marks can be found on the outside of the main pulley. The timing marks will be scattered around the pulley.
8-10 deg. before top dead center
The 1.6 liter 4 cylinder , has a timing belt , and IS an interference engine The 2.0 liter 4 cylinder , has a timing chain , and I don't know if it is or isn't an interference engine
Typically timing specifications are listed in "degrees before top dead center", however, on some very high compression engines those specifications may be different. Check a shop manual for the specifications for YOUR engine.
2 marks lined up
what is the timing specifications for 1985 Chevy with a 5.7 liter 350?
The 2003 Chevrolet Tracker 2.0 liter 4 cylinder must have a timing CHAIN The Gates website does not list a timing belt for it
my check engine light is on on start up truck runs great after wormed up runs rough
repair timing chain on 2000 chevy tracker
The following websites will have the timing specs in their forums, as it can be different based on year, make (ie Dodge, Chrysler, Plymouth, etc...), and model.
There is no specific single timing for all engines. It depends on the use to which it is put and the manufacturers specifications to suit that use. You need to check the manual for the specifics.