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7 answers

The big advantage of platinum plugs are longevity because the platinum does not erode electrically. They also have a lower arc over voltage at a given gap resulting in fewer misfires although they will produce a slightly less hotter spark due to the same.

So yes they could possibly help fuel savings depending on the situation such as a weak ignition or infrequent tuneups.

2007-12-07 20:50:56 · answer #1 · answered by Anonymous · 1 0

Well the kind of plug doesn't really matter about better gas mileage and I'm sure many part shops will say some do, but I really doubt it would be enough to notice, But if you want less problems and better performance then platinum would sure be the way to go! I have always used them!

Many have sworn by the split fires but I have never tried them because of the more expense, because to use them they strongly recommend the split fire plug wires too! so it can get pretty spendy! I myself use the platinum plugs and top of the line plug wires and a Hot coil! and I never have any problems starting wise and performance wise, and I have over 200,000 miles on both of my Vehicles! and have owned them both since they had around 60,000 miles on them!

It's a known fact that bad tires and wrong air pressure can make your car get worse gas mileage! as long as you do all your car maintenance and do the oil changes and filters and have a good battery! and nice plugs and plug wires, it's all you can really do! to keep your car tip top shape in running good! and i have always used Valvoline 10/30 oil all seasons!

If you do like too many do and never change the plugs , oil and fiters, and tires worn out, then you can expect not only bad gas mileage, but also break downs and bad performance all the way around! It's very little cost for routine maintance, then major repair costs that could have been avoided!

I don't put 15,000 to 20,000 miles a year on my cars like most people do, yet I change spark plugs every six months if they need them or not! I change the oil every 2,000 miles and I change the air filters and other filters 2 times a year! wiper blades twice a year and tires every 2 years! Only because of the winter months where I live!

I got tired of all the roadside break downs many years ago and decided I didn't want any more, so I make sure it never happens to me! I believe any car could last a long time if you just learn how to treat it better then you do yourself!

If you treat a car like it is just a car and drive it to the ground, you 'll be buying many in your life time! maintenance is the key to keeping your car running great!

2007-12-08 03:54:21 · answer #2 · answered by Anonymous · 0 0

Not much.
Platinum plugs are mostly a marketing gimmick.
The difference in performance (based on hotness of spark in the plug) actually depends less on the alloy of the metals used in the plug than on the gap of the plug.

If your manufacturer says the gap should be .003, for instance, and yours is .005, the larger gap will mean a hotter spark when it DOES spark, but it'll also mean that several times the mixture in the piston will never get ignited, meaning all that fuel is wasted.

Alternatively, if your gap is too small, you'll get a weaker, cooler, spark which means the fuel won't burn completely.... regardless of whether your plug is platinum or copper.

Let's face it: platinum sounds cool. That's why we have Platinum credit cards and platinum record sales . . . but it's meaningless when it comes to spark plugs.

Instead, make sure your plugs are clean and properly-gapped. That'll make a whole bunch more improvement.

Ps: if you're worried about gas mileage, make sure your tire pressure is up to snuff. Low tire-pressure (a common occurrence) can eat 10-15% of your gasoline mileage. Make sure it's at the TOP END of the recommended pressure your manufacturer recommends, not what's imprinted on the side of the tire, itself.

2007-12-08 03:20:58 · answer #3 · answered by Mr. Smart Guy 2 · 0 1

Platinum spark plugs will deliver a hotter spark to the combustion chamber resulting in a more through burn of the gas/air fuel mix charge in the cylinder. They are more expensive than standard copper plugs and tend to last longer too. Changing the plugs is a step in the right direction toward better mileage, however it should be in conjunction with other minor alterations for maximum benefit. Such as replacing the air/fuel/transmission and oil filters. Using a synthetic oil will reduce friction in your engine, causing it to work less hard and upping your mileage. Tire air pressure is critical for good mileage. Make sure that your tires are inflated to the recommended pressure listed on the side of each tire. A higher grade of gasoline will improve your mileage. There are additives that you can buy from auto parts stores that will boost the octane level of the gasoline in your tank. Higher octane gasoline burns more powerfully and efficiently than "regular" gas, thus providing better mileage.

2007-12-08 03:39:00 · answer #4 · answered by Gobyknows 5 · 0 1

Probably not. But they will last a whole lot longer and be harder to get "fouled out".-- Of course if it has multiple electrodes (two or more)-- most aircraft have 4 electrodes, and more electrodes does ignite gas a little better, - so you might see a small performance increase and decrease in fuel consumption,-- or it may be so small that it isn't even noticeable!

2007-12-08 03:14:12 · answer #5 · answered by guess78624 6 · 2 0

Yes, it will improve the gas consumption. Simple because you will not have as much money to spend on gas.

However, it will not improve your gas mileage.

2007-12-08 03:18:55 · answer #6 · answered by Russ B 6 · 0 0

NO it merely lasts longer because of the density of the metal...

2007-12-08 03:31:01 · answer #7 · answered by greasemasters 2 · 1 0

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