0.028 geo tracker 1990, 8 valves 2 doors
.43 gap
the gap is .025
0.028 In from the tune up decal on underside of hood on Canadian 1995 4wd 16 valve
The correct gap is .44
My 92 model Geo spark Plug gap is 0.39 thousands of an inch. One Liter 3cyl/5sp. Plug is a ngk BPR6ES-11 Hope this helps
the minimum gap is 0.039", I just changed the sparkplugs of my Tracker ___________________________________ On my 98 tracker the specs are on the inside of the hood, have you checked there?
.41 is the gap specified by the Haynes manual for the 1990 Geo Prizm.
.o44 and some are .043.
The spark plug gap for a 1995 Geo Prism Isi 1.6 liter should be set at .032 inches. A spark plug for this vehicle will be preset at the factory and should not need further adjusting.
According to the Haynes Manual- 0.031 inch gap
Factory manual says 0.031, not 0.042.
ANSWER: 0.039 to 0.045 inch (1.0 to 1.1 mm)