Latest Stories. A spark plug has a relatively simple construction and is nearly maintenance-free, except for the adjustment (gap) of its electrode and periodic cleaning or replacement. Half of the trip is on the freeway. 2. Relevance. There are warning signals that let the owner know the spark plugs are starting to lose their effectiveness. A common question when it comes to vehicle maintenance is “what’s the difference between a spark plug and a glow plug?” The answer is simple. “The E3 Spark Plugs saved me. Issue 134. The topic ‘Is there a difference between a spark plug for a 2 stroke engine and a 4 stroke’ is closed to new replies. ID88. Years ago while playing with a single cam 2L BMW on Webers and much modified, a 4Hp gain at the wheels difference was achieved with Splitfire plugs over new standard NGKs. 02-03-2005, 11:47 PM. Its also a Automatic trans and has 150k miles on it. Always use a special spark plug gapping tool to change the gap. With nickel plugs, especially with motorcycles, the gap may need adjustment. they were the Bosch plugs with the four iridium and platinum tips or something like that. When the piston rises toward the top of the cylinder, the spark plug fires. I have read other answers. Spark plugs are wear and tear stuff that will degrade over time, so changing them will definately have difference but it more like the power is restored rather than power is increased. Your check engine light comes on. When we’re talking about difference in materials, we’re referring to what the tip is made of. A resistor spark plug will delay the time when the spark jumps. Automobile vehicles use spark plugs to ignite the air-fuel mixture inside the cylinder for the purpose of combustion. As far as I know, iridium alloy has an extremely high melting point, therefore should an improvement for high-performance engine like your LT1 engine. My big fat car started to run smoother, a quieter idle and the throttle response become quicker on the foot. When most people shop for spark plugs, they assume that all spark plugs are the same. Learn why it’s important to keep this part of your car in great working order and when to change spark plugs by watching for these bad spark plug symptoms. And on the note of spark plugs, don't waste your money on platinum "+4" seventeen prong $10 plugs. I don't drive crazy, fast, rev my engine, or come to complete stops if I don't have too. Popular Questions. Copper core spark plugs are still the most commonly seen, however, and many people agree that they are the best. Spark plugs themselves are one of the most inexpensive components on a car. Spark plugs are usually engineered to have a spark gap which can be adjusted using a spark plug gapper tool. Additionally, check the exterior condition of all spark plugs. i was jsut at autozone and saw these cool looking spark paugs. Any sign of engine oil on the spark plug wires, coil-over-plug or the spark plug ceramic coating is enough to replace all spark plugs O-ring seals. An automobile is rarely silent about its problems. But even within brands you can get plugs at £2.50 each or you can get iridium/platinum plugs that are £10 each. Lv 7. So which is the best? The truth is there are different types of spark plugs available. I didn't replace the spark plugs that were already in the 350 and they're at least 4 or 5 years old. Changing spark plugs could be a good idea when… 1. Most, if not all the spark plugs you see have the same core – it’s made of copper. As you may very well know, compressed air and fuel are mixed together in the internal combustion chamber. Spark ignition is resistive sensitive. ? I drive like a grandpa and use my car for a business so I'm just trying to find affordable ways to make my car more efficient. Gasoline-powered engines come in different shapes and sizes, but they all require three essential elements: air, fuel and spark. Because it's the little things that can make a big difference when it comes to performance—including your spark plugs Favorite Answer. DENSO spark plugs are manufactured with a pre-set gap. That is why you need to make sure that all your spark plugs are working properly. This advantage occurs because there is a faster response to your throttle operations. Read also: 5 Causes of a Car Starts then Dies Immediately. The day that I installed the E3 Spark Plugs, I immediately felt an instant performance increase. When you make the switch to iridium spark plugs, then you may notice an immediate improvement to your acceleration profile. ... Every brand of spiral conductor ignition wires will perform the function of conducting coil output to the spark plugs, but NONE, despite the claims made in advertisements and other promotional literature, will increase horsepower. Spark Plugs. A single plug may be designed for several different engines, necessitating a … First, air and fuel are mixed in each cylinder. they were $7.99 each and the box said increase horsepower, so … Spark plugs are responsible for producing […] Hmmm, 5 wrong answers, until this post. High end plugs and wires might not give you a giant gain, but stock wires can be, well, crap. Spark plugs are part of the ignition process in gasoline engines and glow plugs help start diesel-powered rides. Do after market spark plugs make any difference to anthing?? Racing Spark Plugs - Fire in the Hole! A single spark plug will usually cost in the range of $4 to $10 depending on the type of spark plug material.But, since the amount of plugs you need is dependent on how many cylinders your vehicle has, you will need to multiple that figure by 4, 6, 8, or even 10 in some cases. However, the advertising that accompanies the different types of spark plugs is potentially misleading, so it's important to recognize the real difference between the spark plugs in question. Well, manufacturers do try to push for the newest tech iridium spark plugs because they’re more expensive. I generally buy trusted brands like bosch and ngk. Do not change the gap on platinum, iridium or twin tip spark plugs, as the fine electrodes may get damaged. While the basic difference is easy to explain, the specifics of how […] I have no idea why the original spark plug connector with the aluminum nut always gave me hassles on the 3 … How often should I replace my spark plugs? do spark plugs make a power difference. I'm curious. After all, these small spark plugs have a big job to do. Spark plugs serve a very important purpose for the internal combustion engine. Just like changing a new toothbrush.. I just swapped my 305 for a 350 in my 93 k1500. do expensive spark plugs make a difference in engine performance? Deviate Highlander Long Term Test Bike Build; 10 years ago. The electricity that flows through the spark plugs is delivered by the ignition system. Last, spark plugs – as the name implies – create a spark in the engine to ignite the fuel and air mixture. No more delay in response! Xrrider280. The spark makes its way through a distributor, which sends an electrical current along an insulated wire to the individual spark plugs, timed to coincide with an injection of fuel to produce the combustion stroke. Autolite offers the X-series of plugs that has slots cut in the end of the plug, creating sharp edges that make it easier for the spark to jump the gap. Incoming search terms: Do Spark Plugs Make A Difference,Do Expensive Spark Plugs Make A Difference,Are More Expensive Spark Plugs Better,Cheap Spark Plugs Vs Expensive,Are Expensive Spark Plugs Worth It. What a difference new spark plug wires make!! There are brands of spark plugs that claim to add performance such as better MPG and even more HP. Some people believe it, and some just see it as a marketing scam to get people to pay more for their spark plugs while they're made same as the cheap brand. If this is accurate, reproducable, and really works for our cars, wold the extra cost of 16 more expensive plugs … 2004 Nissan Maxima ABS, SLIP, VDC OFF And BRAKE Lights Are On. Do iridium spark plugs really last 100k miles? Spark plugs will age and as time goes by, the sharp edges wear down, and more voltage is required to bridge the gaps between the center and ground electrodes. While the concept of a spark plug is simple, they are required for your car to function reliably under extreme conditions. After a few km they are dry again. Your car is around four years old, so new wires aren't a bad idea. If I put iridium spark plugs, will it make a difference? In general they dont make any difference hp wise. Voltage builds in a ramp regardless of how the spark is generated. I run Bosch Super 4s in the 306, don't know if they make any difference, but I do get 38 MPG (7.5 L/100k ) on day to day driving to work. Your car’s engine basically runs on a series of miniature, contained explosions. HP TV on Spike did a test on mutiple plugs on a big V8 and found E3 to make something like 1-2 more hp and use slightly less fuel. When people buy the multi ground spark they tend to think about performance when they should be thinking of stability and durability. You’ll be able to feel the difference immediately, especially if you have put some miles on your older plugs. Hopefully you've already replaced spark plugs! The spark plugs in both types of engine work on the same basic principle. My wallet at least. Marketing, right? Specially the watertight direct NGK spark plug connectors do make a difference, even if water comes in during a river crossing. Does it make a big difference in efficiency or are they all more or less the same for normal use. Without working spark plugs, your engine will not run (there will be nothing to ignite the fuel and start the combustion process). NGK plugs have an anti-foul spark gap built into the insulator, which tends to make the ignition voltage higher and the plug can zap through the contamination better when the … Old or faulty spark plugs could be the culprit! If so what kind of spark plugs would be best for improving MPG / Fuel Efficiency on my 95 Ford Escort Wagon? Iv heard of these irridium things or whatever they are, but was just wondering what difference, if any theyll have on a 1.3 Yaris? Answer Save. 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