What is the spark plug gap for a 2008 Chevy Silverado?

What is the recommended spark gap?

The gap setting is different for each vehicle but most are somewhere between 0.028″ and . 060″. Consult the owner’s manual or Champion ^® catalog to find the recommended setting for the vehicle you’re working on.

What happens if spark plug gap is too large?

Many think the larger the gap, the better. However, if the gap is too large, and the ignition system can’t provide the voltage needed to spark across the gap, or turbulence in the combustion chamber blows out the spark, misfires will occur.

What is the spark plug gap for a 2012 Chevy Silverado 1500?

Gap . 040. Gap pre-set at factory, do not re-gap.

Do AC Delco spark plugs need to be gapped?

NOTE: ACDelco Professional Iridium Spark Plugs are pre-gapped during manufacturing. Never attempt to gap an ACDelco Professional Iridium Spark Plug. You could damage the spark plug.

What is the gap on AC Delco spark plugs?

Spark Plug Gap is . 059.

Are GM spark plugs pre-gapped?

Spark Plug (SPARK PLUG IS PRE-GAPPED,DO NOT CHANGE) – GM (19417055)

What happens if the spark plug gap is too small?

The Spark-Plug Gap

If the gap is too small, the spark will likely be too weak and cause the engine to run poorly or with poor efficiency.

Do I need to gap Iridium spark plugs?

In most cases your Iridium Power plugs do not need to be gapped. Even with small variations in the factory set gap the ultra-efficient firing power design will compensate for those small variations.

How do I know what to gap my spark plugs?

How far can a spark plug gap be off?

Excessive changing of the spark plug gap setting will result in weakening of the spark plug ground electrode and can lead to breakage. Also, the spark plug gap should never exceed . 055″ unless pre-set by the manufacturer.

What gap for spark plugs for fuel economy?

The optimum gap between 0.7 to 0.9 mm. At 0.4, 0.5, 0.6, and 1mm made more fuel consumption. Using platinum spark plug and RON 90 fuel can reduce fuel consumption to 5% on average.

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.

What spark plugs does GM use?

ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

What spark plugs are best for horsepower?

Because iridium conducts energy better than platinum, it’s the optimal choice if you want to get the most out of a performance engine. Iridium spark plugs are designed with iridium discs welded to their electrodes. Iridium is six times harder and eight times stronger than platinum!