Prbly ax delving if Chevy could make an improvement at the time they would have given the gas prices and a poor rep.
denso plugs denso plugs
AC Delco
A 2004 Chevrolet Trailblazer that has a 4.2 liter engine will have a spark plug gap of .044 inches. The best spark plugs for this vehicle are iridium spark plugs.
Champion rc12lyc
A/C Delco and put the # in it that it calls for from the factory.
Disconnect the spark plug wires from the spark plug( best to do 1 at a time, so not to mix the wires). Using a 5/8 socket you can remove/install the spark plugs. Gap should be .035" and torque is 24ft-lbs.
NGK laser iridium spark plugs.
You have to use platinum-tipped spark plugs ONLY.
Yes, changing the three back spark plugs in a 1999 Pontiac Montana typically requires some maneuvering around the engine. You may need to remove components such as the intake manifold or other parts that obstruct access to the rear spark plugs. It's advisable to consult a repair manual for your vehicle or seek assistance from a professional mechanic for the best approach.
the best spark plugs for all ford vehicles are the motorcraft type, which they come from ford.
The best spark plugs are the original equipment plugs that were installed by the manufacturer at the factory. Sometimes you may need to go to a dealer to get the exact plugs.
Champion SPRE14MCC4. Those are the stock and work just great.