The original factory plugs were ACDelco plugs (I believe Iridium) and were top notch! I would highly recommend another set of ACDelco iridiums simply because they perform well, consistently, and are well proven. P# 41101
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.
NGK laser iridium spark plugs.
You have to use platinum-tipped spark plugs ONLY.
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.
Answer :jeep spark plugsfor some unknown reason Chrysler uses champion spark plugs and they work the best, everything else just does not seem to perform as well.If you are not experienced or knowledgeable with the jeep engine, have your mechanic do it for you,they can be a bugger
For a 2002 Jeep Grand Cherokee with a 4.0-liter engine, it is recommended to use NGK ZFR5N-11 or Champion RC12LYC spark plugs. These plugs provide reliable performance and are designed to meet the specifications of the engine. Always consult your owner’s manual or a trusted mechanic for the best fit for your specific vehicle and driving conditions.
To change the spark plugs on a Vauxhall Zafira open the hood of the vehicle. The spark plugs will be located on the engine. It is best to used a spark plug removed to unscrew the plugs. They will be connected to a cable. Remove the cable. Replace the plugs with new ones and reattach the cable.
AC plugs
Prbly ax delving if Chevy could make an improvement at the time they would have given the gas prices and a poor rep.
It is best to go with the factory used spark plugs. The factory uses champions.
Depends on your make, If you have a GTP model then autolite 104's are great for performance because of KR reduction and help make the engine timing friendly. If you have a regular grand prix you can go a stage colder plug with success. There really is no 1 plug, you have to look at your mods and then choose what plug is right for you.