These plugs have longer life and are more resistant to fouling than other types of spark plugs. Yes, stock are champion copper plugs and the recommended interval is 30k miles. It is pretty well documented that the older hemis in particular like the oem champion. They said whenever they get a 5. 7 hemi in their shop for a plug change, they always put in platinum plugs for double the replacement interval. In other words, they claimed. Hemi spark plug faq how often should i replace the 5. 7 hemi spark plugs? Thankfully, spark plugs don’t require replacement often. You can go up to 100,000 miles on. Although ive yet to accumulate the miles to change plugs on any of my lx's, from what i recall, the 5. 7's are good for 30k and should use the oem copper (champion?); How many spark plug does a 5. 7 hemi have? The 5. 7 hemi engine has 16 spark plugs. Hemi 5. 7l plug and wires All modern chrysler hemi engines use two spark plugs per cylinder for a total of 16 spark plugs. This includes engines built in 2003 and later, ranging from the 5. 7 liter to the 6. 2 liter hellcat. If you plan to change the spark plugs in your 5. 7 hemi at home, you'll need a basic socket set, a spark plug socket, a gap tool, a torque wrench, dielectric grease, and 16 new. You buy one set and you’re done — no need to worry. The 5. 7 hemi uses 16 spark plugs, and considering that spark plugs are standard maintenance items, replacing them periodically can save you troubles from misfiring. I found a very good explanation, on allpar, as to why our hemi engines have 16 spark plugs. Each cylinder has an ignition coil pack over one spark plug, and a. The hemi magnum engine has two valves per cylinder as well as two spark plugs per cylinder. The two spark plugs help to solve the emission problems that plagued chrysler's earlier. Every 32,000 miles or 24 months: Replace the engine filter and oil, replace the brake linings, change the air conditioning filter, replace spark plugs every 56,000 miles or 42. By the engine computer and goes in the. A 5. 7 hemi requires a spark plug to keep up with the high temperature and pressure within the combustion box. Double platinum spark plugs are ideal for short trips and. This remains the same throughout the lifespan of the 5. 7l hemi. A 5. 7 liter hemi v8 engine has 16 spark plugs, 8 on each cylinder bank. This is a common spark plug configuration for most v8 engines, allowing for even and efficient. The right spark plugs for your 5. 7 hemi. Chrysler recommends replacing your plugs after 30,000 miles. So which would be the recommended spark plugs for dodge ram.
