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Old 08-27-2012, 06:43 PM   #1
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Spark Plugs?

What are the best spark plugs to use in a 97 2.5 l ?

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Old 08-27-2012, 07:01 PM   #2
Knows a couple things...

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It'd be tough to beat the Autolite AP985 or Champion 3034 which are both single-tipped platinums. Both of those will perform well for around 100K miles. If you never want to have to change your plugs again, you could go with the Autolite XP985 fine-wire iridium tipped plug which is probably good for 200K miles.

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Old 08-27-2012, 07:25 PM   #3
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Thanks Jerry!! My TJ has 130,000 on it just looking to change them out and do an oil change and check everything else
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Old 08-27-2012, 07:56 PM   #4
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I just put in a set of Autolite "iridium enhanced" plugs this morning, took it for a 25 mile spin, made me feel a bit sheepish. The improvement was dramatic, guess i let that go to long, still had the champions that were in it when i bought it really smoothed out the idle and the throttle response is much crisper now. Probably more due to old plugs, than the Autolite's being a super plug. But any ways i digress, they work great pick up a set
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Old 08-27-2012, 11:03 PM   #5
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Quote:
Originally Posted by Wildkarde View Post
Probably more due to old plugs, than the Autolite's being a super plug.
That is likely correct. I recently replaced some fairly new NGK plugs with XP985's. Did not note any difference in engine performance.
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