Just go to your local parts store and have them look up the plug requirement on the computer. They'll also tell you what the plug gap is supposed to be.
FriPilot
4x6
thermostat? engine size?
30mm
The 1993 Pontiac Grand Prix 3.4 liter engine spark plug gap should be .028. Most spark plugs come pre-gapped from the manufacturer.
6x9
22 and 17
36mm
Answerwhat size is the engineIf it is the 2.3 engine they are under the top engine cover 4 or 6 maybe even 8 can't remmember spark plug boots are attached to the under side of the cover also there should be an electrical connector at drivers side of the engine cover you need to disconnect if it is the Quad 4 engine it should say Quad 4 on the engine cover you need to remove to get to the spark plugs.
YOU'VE GOTTA FOLLOW THE PLUGWIRES. DEPENDING ON SIZE OF ENGINE THERE WILL BE 4,6, OR 8 PLUGS. BUT THE PLUGWIRES WILL LEAD YOU TO THE PLUG. AT THE RISK OF SOUNDING RUDE, IF YOU DONT KNOW WHERE THE PLUGS ARE YOU NEEDN'T BE LOOKING.
One that fits.......
M12 1.5mm
Should be 195/70R14.