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calikota
Dodge Dakota
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9/30/2009
08:57:21

Subject: 3.7 spark Plugs
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Well I figure its about time to change my spark plugs-80,000 and still the originals.
Did anyone run inro any issues when doing this?

I've only changed plugs on older vehicles, which is pretty straight forward.

04 3.7 4x4



cheap bastard
Dodge Dakota
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10/01/2009
21:43:50

RE: 3.7 spark Plugs
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there cheap ...change them already



calikota
Dodge Dakota
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10/06/2009
06:41:07

RE: 3.7 spark Plugs
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Its not the price, its the time and whenever I look into the engine compartment and look at all the crap that's underneath the hood I get second thoughts.



vish
Dodge Dakota
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10/12/2009
06:16:47

RE: 3.7 spark Plugs
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It's really easy. Blow out the dust around the coil-over, remove the bolt to the coil-over, slowly pull up while twisting it, pull it off. Then blow out the dust in the hole (canned air, etc), remove plug, .. replace after doing the standard gap check and such. Replace coil-over. Repeat process.

No issues. :) Much nicer than having to change cables, rotor, cap, adjusting dwell angle, timing, etc.





calikota
Dodge Dakota
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10/12/2009
08:37:18

RE: 3.7 spark Plugs
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Well I guess its been awhile since I've changed spark plugs myself-iridium?? I hope they work well @ 6.99.
I finally had went under my hood yesterday and pulled one of the wires; to my surprise they are pretty far down there. Any tricks that I should know of?



Pretty Boy
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10/12/2009
23:54:09

RE: 3.7 spark Plugs
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Some advice for you! go to the market and order a pound of Brains.



J and J Auto
GenII
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10/20/2009
02:34:11

RE: 3.7 spark Plugs
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A good plug socket with the built in holder

Iridium these plugs are for longjevity

The 3.7 and 4.7 both react very well to the NGK
Vpower at $2.50 or the e3 at $6ea

These are the most popular with our customers
with the 3.7 and 4.7 motors all say they run great
and the power increase is noticeable along with
a little better gas mileage



Larry
J&J Auto

kfx400rider
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5/05/2011
16:10:53

RE: 3.7 spark Plugs
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i have a 2004 3.7L 4x4 sxt love the truck, kinda having problems lately but its due with 80,000 on it. i have been through many different brands of plugs. mainly for some reason i stay with the exotic metals. first thing is i have never had any luck with the E3. wont use em again, almost blew her up with those pieces of.. second, bosche +4 plugs come loose within itself-not a good thing. i currently run the irridium style plug, but not a difference is noticed. going to napa for some NGK's right now, im still debating on copper or the platinum. i think im going for copper cause of heat control. my truck runs extremly hot, but has nothing to do wiht coolant. (i think is in the top end/plugged cats) i flush the coolant once a month to avoid electrolosis, and i have nothing better to do. truck is stock with a magnaflow agrressive muffler. everything else is kept up on including every and all fluids replaced with the best of the best








daddio
Dodge Dakota
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5/05/2011
18:07:58

RE: 3.7 spark Plugs
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Try one heat range colder than stock and go with the copper.



kfx400rider
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5/06/2011
01:10:57

RE: 3.7 spark Plugs
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what would make the exhaust manifolds appear to be getting pushed off the block? also cylinders 2 4 6 side of engine looks like its moving the head gasket?!?! i can litterally grab the thing, but no water in oil or extreme engine failure left side is rusting the block out while right is ok please help im dumbfounded by this one



caikota
Dodge Dakota
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5/06/2011
09:15:59

RE: 3.7 spark Plugs
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Can't answer that one for you, but let us know if you notice any difference in performance when you switch out the plugs. I'm currently running iridiums also.



What
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5/07/2011
20:40:04

RE: 3.7 spark Plugs
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What! Must be possesed by evil forces.



kfx400rider
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5/08/2011
13:49:02

RE: 3.7 spark Plugs
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thanks WHAT. no performance difference at all. think i just wasted some money on expensive ass plugs. should probally take the advice and go with autolites 3923 cause the engine is still running hot. one index lower eh? are the 3923's (unfor. from walmart) a index lower? the thing is my temp gauge dosent show a hot reading...also im throwing a p 0501 speed sensor failure causing my speedo/odometer/tripometer to not work. any relation? when i left off throttle, truck seems like it wants to come outta gear and coast, then shifts back into gear hard when back on throttle. any advice to which sensor it is!? and/or any relation to heat?



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