| From | Message |
kennungesser
Gen III
 
6/03/2001
14:18:36
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 Subject: autolite spark plugs
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Message:
I know that these plugs are good from what I'v heard , but do they make a difference you can feel with no other mods? I can get them for a buck something a piece here , and that seems cheap for what they are claimed to do. 4-5 hp with no other mods? I trust you guys , but that seems almost to good to be true. Can you even feel 4-5 hp on the butt-dyno? have 4.7 4x4 cc.
Kenneth l Nungesser
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Jeff
Dodge Dakota
6/03/2001
15:28:39
|  RE: autolite spark plugs
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Message:
Why not give it a try? Only $8 and 10 minutes. I'm running 3923's. My butt dyno registered a 0hp increase after I changed, but add an MSD ignition and coil to them and you can tell the difference.
92 RC Sport 5.2 3.55 Auto
Mod'ed TB and intake, Flowmasters, 180 thermostat,
MOPAR PCM, MSD 6AL, NX
14.465/99.81
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Devon
Dodge Dakota
6/03/2001
21:38:23
| RE: autolite spark plugs
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Message:
I hear 3923 Autolites mention a lot on this site. Would these be ok for a 3.9 v6 Dakota. When it look up the reference book for spark plugs it says something like 5424 autolights.
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Ryan Kane
Dodge Dakota
6/03/2001
22:31:36
| RE: autolite spark plugs
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Message:
If you really want to up your spark, you should consider an aftermarket ignition system. Either a multi-spark like MSD or a custom spark like Jacobs will do you well. I've got a Jacobs Omni Torquer, which is made for up to 6,000 RPM's vehicles, such as 3.9L V6's. When I installed it, I also added new AutoLite plugs ($.99 each). After 18,000 miles, I thought I needed to add new plugs after a general tune up. When I pulled them out, they didnt look "brand new", but pretty dang close to it. No deposits. No buildup. Nothing. They were clean. I get great acceleration and good gas mileage (for a 4x4). I also get 96% fuel burn, rather than the stock 70%. This results in cleaner emissions, better overall performance, and no (or dramatically reduced) carbon deposits in my cylinders. All this translates into extended engine life.
After lots of study and research into aftermarket ignitions, including MSD, Accel, Mallory, and Jacobs, I went with the Jacobs. But I'm sure any of those will perform excellent for you. Spark plugs cannot magnify the spark magically. You will need to pump more power and electricity via an aftermarket ignition.
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eddie_orlando
Dodge Dakota
6/03/2001
22:35:11
| RE: autolite spark plugs
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Message:
I recently (about a month ago) put in the Bosch +4's and Bosch wires and haven't noticed anything that bad with them. I hear nothing but bad things about them, I wish I would of known that before I shelled out $5.99 each for them. I am always under the impression that the most expensive option is always the best, foolish I guess. Is the fact of the matter that Bosch's are designed for European cars and don't mix with Dodges? If that's the case I'll go the 3923's or I've also heard 3924's I believe? The difference is......? One is "colder" I think? Any input would be helpful.
Ed
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marc
Dodge Dakota
6/04/2001
01:10:33
| RE: autolite spark plugs
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Message:
Autolite, AC Delco and Champion all use the same principle in plug numbers the higher the number the hotter the plug. NGK is an exception to this rule they are backwards the higher the number the colder the plug. And my two cents is that in my experience all cheap plugs , non platnium, or gold pladinum , plugs seem to work about the same. i never use any plug that isnt gold pladinum or platinum tipped they work as well as the others but seem to last longer and are less prone to fouling. personally i like the champion truck plugs which are gold pladinum or ngk vx series which has gold pladinum ground armature with a platinum tipped electrode.
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eddie_orlando
Dodge Dakota
6/04/2001
01:15:52
|  RE: autolite spark plugs
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Message:
Marc,
Thanks for the input. I hope these Bosch's work well since they advertise themselves as the best, oh well live and learn i guess. They look cool at least and also came in neat packaging!!
Ed
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Bernd
Gen III
6/04/2001
08:35:53
| RE: autolite spark plugs
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Message:
One thing to keep in mind on the plugs:
Platinum: Higher cost but with more longevity (Not for use with aftermarket ignition systems - MSD, Mallory, Accel, Jacobs)
Copper: Lower cost but more suitable for performance ignitions, NOS, Superchargers.
I used to run Platinum plugs (as well as SplitFires) and have switched over to the standard Coppers again. I still love my SplitFires, but the $1.10 per plugs can't be beat. :)
1997 Dodge Dakota SLT - V6
Supercharged @ 10#
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eddie_orlando
Dodge Dakota
6/04/2001
13:22:41
| RE: autolite spark plugs
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Message:
Bernd,
Thanks for the info! That's good to know if/when I go to an upgraded ignition system (Accel, hopefully soon!) When I do that I guess I will go w/ the 3923's that everybody raves about in here. Thanks and good to hear from ya!
Ed Henry
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Kris239
Gen II
6/04/2001
22:55:12
| RE: autolite spark plugs
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Message:
I've heard that running a stock ignition with the 3923's will actually lower your gas milage. Is that true? The only ignition mods I have is an Accel coil with Taylor 8mm wires and the 3923's. Should I give the 3924's a try since my ignition is not too much off from stock? I don't really see how you could see any great lose from one heat range down, just curious if anyone else might know a certain answer.
Kris Harnack
1994 Dodge Dakota SLT
3.9L V6 / RC / SB / Auto
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Marc
Dodge Dakota
6/04/2001
23:26:18
| RE: autolite spark plugs
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Message:
someone correct me if i am wrong but i think a increase in heat range increases combustion chamber temp 50 degrees
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BIGTYM
Dodge Dakota
6/07/2001
00:23:19
| RE: autolite spark plugs
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Message:
I have a 5.2 can these plugs work on the stock ignition?
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Shawn
Gen III
6/09/2001
02:53:56
|  Answers and Other questions on Topic
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Message:
I "think" the temp range is more like 70-140 degrees in the cylinder per range cooler or hotter. Thats a BIG difference.
Also, as far as MPG and 3923's I have been running them with the stock ignition while waiting on my MSD6BTM and yes I have lost ~3MPG and I assume this is why.
I'm actually thinking of 3922's due to the fact I'm doing a Supcharger and NOS, need those cooler temps to avoid detonation. Also, reduce the gap for NOS or SC applications.
Bernd,
What brand Splitfires corrispond with 39xx series of Autolites? What would be the Splitfire version of a 3923 and 3922? Are they compatible with MSD6's???? Do the Splitfires sit low in the cylinder like the 5224's, or are they higher up like the 39xx's???
Also, to everyone, any comments on the new Titanium plugs out from Autolite? Is the heat disapation as good as copper?
I'm looking for the CLEANEST burn possible with NO detonation. With the NOS and Supercharger I've got enough stress without dealing with those headaches.
Many Thanks,
Shawn
98 5.2L 4x4 CC
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???
Dodge Dakota
JOIN HERE
6/27/2002
16:30:54
| RE: autolite spark plugs
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Message:
Anyone recommending Autolite's ???
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