Do you have to Gap ACDelco plugs?
Are ACDelco spark plugs pre-gapped? Yes. When ACDelco spark plugs are manufactured, they are pre-gapped to the correct gap specification.
Do Iridium plugs need to be gapped?
In most cases your Iridium Power plugs do not need to be gapped. Should you decide to re-gap your Iridium Power plug, use extreme caution as improper gapping may damage or destroy the Iridium center electrode or porcelain center.
Are Iridium spark plugs better than platinum?
Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs.
Can you change your spark plugs yourself?
Changing spark plugs takes about an hour (for a four-cylinder engine) and will save you at least a hundred bucks in labor if you do it yourself. In most cases it’s a simple job that will help to maintain peak performance and the highest possible gas mileage.
Do Acidelco iridium spark plugs need gap?
NOTE: ACDelco Iridium Spark Plugs are pre-gapped during manufacturing. Never attempt to gap an ACDelco Iridium Spark Plug. You could damage the spark plug.
Why are spark plugs good for 5.3 Vortec engine?
Due to the iridium composite, it delivers excellent strength and a high melting point to your 5.3 Vortec engine. As this is the original equipment, it will fit, function, and last for long. It will help to get better fuel efficiency because the spark plug gap will virtually remain the same during life.
How big is the gap on a spark plug?
A new spark plug has been released for use in the above vehicles. The new spark plug has an Iridium tip instead of the current Platinum tip. Due to the different tip design, the gap of the spark plug has also changed. The new spark plug, P/N 12571164 with AC Delco P/N 41-985, is gapped to 1.01mm (0.040 inches) when the spark plug is made.
How big is the spark plug on a Chevy Silverado?
Chevy Silverado Year Engine Spark Plug Gap Vortec 8100 (8.1 L) 0.060 inches 2007 – 2014 4.3L LU3 0.060 inches 4.8L LY2 0.040 inches 5.3L LH6 0.040 inches
Which is the best spark plug for a 5.3L engine?
New NGK TR5IX # 7397 Iridium Spark Plugs for 5.3L Engine 3. ACDelco 41-962 Platinum Spark Plug 4. NGK TR55 (3951) V-Power Spark Plug 5. New Bosch 4509 Platinum Iridium Fusion Spark Plug 6. NGK V-Power Spark Plugs for 6.0L, 4.8L, and 5.3L Engines 7. HiVehicle OE12621258 Iridium Spark Plug 1. ACDelco 41110 Professional Iridium Spark Plug