On GF's car, she got platinum plugs in the motor. Car was acting funny, so she took it into the shop. Water got into one plug and damaged it. The shop replaced it with a regular plug.

Questions.

1. Is that ok? She she just leave it?

2. Can I just get one plug to replace it?

3. Do I have to get all four new platinum plugs?

4. Replace all platinum plugs with regular plugs?

5. Does brand matter? Maybe we can just get 3 plugs?

I know what the best answer is. But platinum plugs are expensive, so what are her options, and pros and cons?

The platinum plugs have been in the car for about two years.


Thanks

 

well since platinum generally lasts longer than copper plugs, I'd say you should just replace it w/ a platinum now. Otherwise you'd be stuck w/ one worn copper and 3 ok platinum ones later.

 

Does the brand matter? I may be able to read it off the plug if I was to take it out. But just in case I can't.

 

brand does not matter. tell shop what motor its for and they'll set you up w/ something

 

brand does matter! if its a honda ive noticed that BOSH platinum dont work to good on hondas. NGK's are the best ones to use( If you have a honda) but i would use it even on other cars/.

 

Bullshit... The Bosch work fine... The first car below seems to really like them...

 

The answer to your question really depends on your objective. Since copper is a better conductor that platinum you will get better ignition from copper. Better ignition means more power. This is a fact. Ask anyone who has spent hundreds, even thousands, on ignition boosting systems and the scientists who have proven it. Even if the benefit of copper over platinum is very small, the cost is minimal. The only reason to use platinum is for longer intervals between replacement. If this is your objective, pony up the $20 (if it is a four cylinder) and replace all four with new platinum plugs. If you don't mind replacing them every 30K or less, use the regular copper. Spending the time that I have with 2 stroke engines, I am sold on NGK. I have never found a spark plug that would perform better in a 2 stroke engine. I have never had problems with any spark plug in a 4 stroke engine, but it comes down to comfort, for me. I am comfortable with NGK. However, it would be interesting to see some dyno charts on different plugs indexed properly in the same engine. At one time, there was an article on pelicanparts.com addressing the copper versus platinum plug at one time. I just went there and I cannot find it now. If you are really hungry for power, I have been seeing claims of real HP gains from iridium plugs. I have not yet read the science behind them, but I am sure someone has some experience with them. For the money ($50 a set on groupbuycenter.com) they better produce some benefit!

 

they make ac delco rapid fires for hondas? ive been hearing good things about em in the domestic world


[Modified by TorteX, 4:11 PM 4/27/2002]