| From | Message |
toxic13
Dodge Dakota
10/01/2001
16:10:52
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 Subject: spark plug gap
IP: Logged
Message:
what's the factory plug gap? also, for anyone running 3923's in their truck, did you just gap them to factory gap?
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Jacob
Dodge Dakota
10/01/2001
17:17:39
| RE: spark plug gap
IP: Logged
Message:
The factory gap is .40 and yes that is what I gpped my Autolite's at. It should tell you the factory gap under the hood on the right side.
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toxic13
Dodge Dakota
10/01/2001
17:20:14
| RE: spark plug gap
IP: Logged
Message:
thanks for the info. where at under the hood. all i seem to have is the belt routing diagram.
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toxic13
Dodge Dakota
10/01/2001
21:53:32
| RE: spark plug gap
IP: Logged
Message:
if it was that sticker on the bottom side of the hood then nevermind. i don't have that anymore. there was some damage done to my hood about 2 years ago and a friend of mine did the body work and painting on it, he must have taken it off. thanks again though.
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fred
Dodge Dakota
JOIN HERE
12/09/2004
19:57:07
| RE: spark plug gap
IP: Logged
Message:
I set my gap at .500"
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GB2000
GenIII
12/09/2004
20:20:01
| RE: spark plug gap
IP: Logged
Message:
I thought factory gap was .035 but it was recommended to gap autolites at .040 (except the regular autolites which were recommended at .035)?
Josh
http://www.cardomain.com/id/sentenced
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Bob Lincoln
Dodge Dakota
JOIN HERE
12/10/2004
12:47:18
| RE: spark plug gap
IP: Logged
Message:
Once again, you did not set your gap to 0.40 inches, or .500 inches, but rather .040 or .050. That decimal point makes a HUGE difference!
Factory gap is 0.035 inches.
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Al W.
Dodge Dakota
JOIN HERE
8/23/2005
01:00:26
| RE:heat shield around plugs
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Message:
HELP...how do the heatshields & plug wires come off with out using TNT ??? 99 Dakota 3.9 V-6.. & thanks for the plug gap all you guys !!!
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GB2000
GenIII
8/23/2005
03:32:09
| RE: spark plug gap
IP: Logged
Message:
Grab plug wire boot tightly toward the base and twist slightly while pulling...it should snap off. I've read in a few places to be careful because you can pull the boot off leaving the wire still attached (they sell a boot removal tool to prevent that) but I've never had that problem...I think if don't try and rip them off, you won't have any issues. If you're replacing the wires, it ain't gonna matter anyway...lol
If you're talking about removing the metal heatshields...you can usually use a pair of vice grips or large pliers, squeeze them so the base diameter shrinks and pull them out...but as I mentioned in another post just moments ago, I had one that had rusted to the engine and that farker dang near got me in some serious trouble with my Dak because no matter how much I tugged/hammered, it just wouldn't break loose. I finally tore it out...piece by piece and then chiseled the base out with a hammer and screwdriver...4 hours later. Just as an FYI...those heat shields (if that's what you're talking about) don't need to be removed in order to change plugs and wires. Once they come out, unless you're really lucky...they ain't going back in.
Josh Blackshire - Owner, Ohio Dakotas .NET
Red 98 Dakota Sport - Check it out!
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Big Russ
Dodge Dakota
JOIN HERE
10/17/2005
20:05:39
|  RE: spark plug gap
IP: Logged
Message:
i need to know what the 2nd plug powers anyone can help me please email me...
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prodak
Dodge Dakota
JOIN HERE
10/17/2005
23:54:19
| RE: spark plug gap
IP: Logged
Message:
Bob, not sure what year(s) you're talking about but the underhood sticker on my 99 says .040
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Dan M
Dodge Dakota
JOIN HERE
10/18/2005
04:02:58
| RE: spark plug gap
IP: Logged
Message:
It is .035 for my 95. I was under the impression that the 3923's did not provide much gain unless you had better (seems most use napa) than stock wires , cap, rotor, etc.
In all of the searches I have done in the past, the common factor was matching upgraded components and not just plugs. Hopefully some of you that use the 3923's can clarify.
- Dan M
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GB2000
GenIII
10/18/2005
04:24:23
| RE: spark plug gap
IP: Logged
Message:
3923's run GREAT in some engines and don't show much gains in others...it's more of a trial and error mod. Usually people say to wait til you got more mods done that have caused your timing to be increased, especially if you're getting pinging since they're a heat range cooler and will usually get rid of the pinging.
I tried them in mine with a few of the basic mods...intake, exhaust, etc and noticed no improvement whatsoever. I am running Splitfire plugs now...and noticed no improvement in those either.
Josh Blackshire - Founder, OhioDakotas.NET
Red 98 Dakota Sport - Check it out!
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Bob Lincoln
Dodge Dakota
JOIN HERE
10/18/2005
08:35:39
| RE: spark plug gap
IP: Logged
Message:
"Bob, not sure what year(s) you're talking about but the underhood sticker on my 99 says .040"
1992 V-6, 0.035 inches, according to underhood decal, owner's manual and factory service manual. Later years must use wider gaps.
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Jeff
GenIII
10/18/2005
15:00:08
| RE: spark plug gap
IP: Logged
Message:
i switched to ap3923's at 60k miles to fight a ping problem. the stock gap didn't work so i tried the reccomendations from here, but still had to play with them a bit to completely get rid of the ping.
the spark plug wires were half the battle, ap3923's sealed the deal.
13k miles later and still no ping!
Jeff
'99 3.9 clubcab
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Adam
Dodge Dakota
JOIN HERE
10/18/2005
21:39:39
| RE: spark plug gap
IP: Logged
Message:
Either I'm really confused or something but is that question for real? (Big Russ) What the 2nd plug powers?
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J and J Auto
GenII
10/19/2005
17:55:30
| RE: spark plug gap
IP: Logged
Message:
the obd1 were all .035
they went to the obd2 systems in 96 in 98 99 the
gap went to .040 either should run good but there
are advantages to the bigger .040 gap
3923 .035 .040
Ap plat tip .040 to .045
If your truck runs better with a plat tip at the
factory gap its a sign of a weak system wires,
cap rotor bad
Larry
J&J Auto
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Patsy
Dodge Dakota
JOIN HERE
7/16/2012
10:10:42
|  RE: spark plug gap
IP: Logged
Message:
I am wanting to change spark plugs in my 1991 Dodge Dakota truck. 3.9 liter, 6 cylinder, fuel injected. This is my first time doing this. What do I set the gap on the plugs?
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Bobby
Dodge Dakota
JOIN HERE
1/31/2016
08:43:27
| RE: spark plug gap
IP: Logged
Message:
92 Dodge Dakota 3.9 splitfire copper classic gap setting?
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zombie
Dodge Dakota
JOIN HERE
3/28/2023
22:09:21
| RE: spark plug gap
IP: Logged
Message:
i have an 89 dakota with the 3.9 and cannot find the
correct gap size can anyone help?
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