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Old 03-29-2011, 11:47 AM
 
Location: Birmingham
11,790 posts, read 12,648,410 times
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Quote:
Originally Posted by kentuckydad95 View Post
BTW, the Champion spark plugs website says the OEM plugs are iridiums. Is this BS or can I make do with the regular platinums?
They do this for longer life so you don't regularly have to go through the BS of changing plugs on a traverse V6 FWD.

Copper plugs are actually the best for performance because copper is a better conductor, but they don't last nearly as long.
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Old 03-29-2011, 12:59 PM
 
6,368 posts, read 13,358,205 times
Reputation: 5858
Quote:
Originally Posted by kentuckydad95 View Post
I "hear" Autolites are a POS. I haven't had them in years though.
For the past 25-30 years I've always installed AC-Delco in GM, Motorcraft/Autolite in Ford and Champion in Mopar. If it was good enough for the factory then it works for me.

If available, imports get NGK no matter what came in them. I avoid Bosch if at all possible.

Everyone has a personal choice. As far as Autolite being junk, who knows.
Last I heard they were associated with Fram. Can't say that's a good thing.
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Old 03-31-2011, 12:04 AM
 
Location: Northeast Tennessee
7,303 posts, read 22,754,219 times
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Quote:
Originally Posted by kentuckydad95 View Post
I believe I have a bad plug in one of the banks on my mail car, a 2008 Impala. I could change the front three easily, but I would rather do it right and change all six. I am sure most of you have owned a FWD car and know what kind of b--ch it is to get to the rear plugs. Any tips on making it an easier task or am I going to have to swallow my pride and take it to a shop?

Also, should I change the wires while I am at it?
I have never changed rear plugs on a RWD car before, have on several RWD V8 and I6 engines though. Not sure if the plug wires are as long lasting and durable as they were years ago, but my 1973 Pontiac still has the original plug wires and the car still runs perfectly, but this may be an exception. We have had to change them twice on our 1997 Oldsmobile. Our 1988 Mercedes still has the original plug wires as well. I am no expert, but I would say that 2-3 year old plug wires would still be fine.
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Old 03-31-2011, 12:13 AM
 
Location: Northeast Tennessee
7,303 posts, read 22,754,219 times
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Quote:
Originally Posted by Nativechief View Post
No car is made where there is no simple procedure to replace the plugs.
One exception I can think of are the older inline 6-cylinder engines and many 4-cylinder engines. I changed the plugs in my moms 1988 Mercedes (with the 3.0L inline 6-cylinder in about 5 minutes... pic below is not of our car, but another car with the same engine we have in her car).... its true though that most modern cars, its a very difficult task. (Its also SUPER easy to change the oil in this Mercedes... about 7 minutes - everything super easy to access.

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