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new plugs= less power

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Old 01-30-2008, 02:20 AM
cdusthockey cdusthockey is offline
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Default new plugs= less power

i just put in a set of 3923 spark plugs along with an upstream o2 sensor, and the truck feels a bit more doggy since i did it. i reset the computer, so ill give it a tank or so then see if it gains it back once the computer levels itself off again.

anyone have their pickup do this to them?

BTW its hitting -25 tonight with a windchill of over -50, so i am skipping class in the morning and most likely not be driving the pickup until she warms up a bit. starts great down to -18 then below that she sounds like it hates me and gets a little stifff, so i try to leave it set until the temp rises a bit.
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Old 01-30-2008, 02:44 AM
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Default RE: new plugs= less power

Hope you pluggged it in
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Old 01-30-2008, 02:54 AM
cdusthockey cdusthockey is offline
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Default RE: new plugs= less power

sure did, but 160,000 on the original battery?? batterys getting a bit tired


National Weather Service
Rest Of Tonight
...Partly cloudy. Lows 25 to 30 below. Northwest winds around 15 mph. Wind chill readings 40 below to 50 below zero.

Wednesday...Mostly sunny. Highs 5 to 10 below. Northwest winds 5 to 10 mph.

Wednesday Night...Partly cloudy. Lows 20 to 25 below. West winds around 5 mph shifting to the south after midnight.

not looking forward to the next day or two
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Old 01-30-2008, 03:08 AM
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Default RE: new plugs= less power

Holy crap, and I thought South Dakota was cold right now. You guys over in Minnesota are getting hit a bit harder, aren't ya?

I hope you're using a thinner oil like 5w-30.

EDIT: Sorry, didn't address the spark plug question. I know a lot of guys here like their Autolites, but I prefer to use either Champions or NGK plugs. I am currently using NGK Iridium plugs. A little expensive, but I could feel the difference slightly when I replaced the original plugs that were in there. (Although that was probably mostly due to the fact that the plugs had not been touched for almost 60,000 miles and not so much the special, super duper magical iridium.)

If I ever have to replace the NGKs, I might just use Champion's Truck plugs, Champion Platinum plugs, or something along those lines.
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Old 01-30-2008, 06:28 AM
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Default RE: new plugs= less power

Quote:
ORIGINAL: jason.w
(Although that was probably mostly due to the fact that the plugs had not been touched for almost 60,000 miles and not so much the special, super duper magical iridium.)
See, now with the Iridium plugs, you can go 60,000 miles and have a minimal loss in power. Interval on those is about 90K-100K miles.

As for the loss in power, i'd check plug wire connections and check the O2 sensor connection. Also, make sure it's seated firmly in the bung.
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Old 01-30-2008, 07:37 AM
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Default RE: new plugs= less power

Once I went to the dealer for an O2 sensor, And they made sure it was "seated in the bung"!!!HA HA HA HA Ripped me off for $400.
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Old 01-30-2008, 08:53 AM
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Default RE: new plugs= less power

Did you gap the plugs properly?
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Old 01-30-2008, 10:16 AM
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Default RE: new plugs= less power

That's quite impressive for mileage out of the battery. You might want to check it for voltage under a load. Sometimes when a battery still works but is weak, it will cuase some lack of performance in the ignition. Add to that the unbelievably cold temps you're enduring, your battery must be struggling.
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Old 01-30-2008, 12:26 PM
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Default RE: new plugs= less power

Not trying to steal the spotlight, but has anyone here ever tried the plugs that Autolite lists for the Ram? 5224's...just wonder if they are good. Funny, though, because it's the same plug listed for my wife's Mazda 626...[sm=wtf.gif]
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Old 01-30-2008, 12:31 PM
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Default RE: new plugs= less power

I gap 3923's at .038.
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Old 01-30-2008, 12:31 PM
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