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When should I change my spark plugs on my Silverado?
Problem Description. The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
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.
How often should you change spark plugs in a 5.3 Vortec?
The spark plugs should be replaced every 100,000 miles.
What does a full tune-up include?
Generally, a tune-up consists of checking the engine for parts that need cleaning, fixing, or replacing. Common areas under inspection include filters, spark plugs, belts and hoses, car fluids, rotors, and distributor caps.
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
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.
What kind of spark plugs do not need to be changed?
The exception are for example spark plug part numbers with gap that does not need to be adjusted and can not be changed, such as Brisk Premium Multi-spark plugs, Brisk Premium LGS Spark Plugs, Brisk Premium LGS-T spark plugs, Brisk Extra Turbo Spark Plugs and some others.
How much HP can you gain by replacing spark plugs?
It is not uncommon to gain as much as 20 Hp just by replacing used spark plugs. Used spark plugs are hard to fire as the gaps are worn out, and insulation properties of the ceramic is compromised by solid combustion deposits and old fuel saturation.