Re: 5224 VS 3923 plugs

From: kwreimer (kwreimer@email.msn.com)
Date: Sun Oct 21 2001 - 21:00:33 EDT


Ok it all makes sense, I think I will try the 3923 myself and see what I
think. since the 3923 are copper. I have 10 Thousand on the 5224 so I may
change em to see the difference. Thanx..
----- Original Message -----
From: "Andy Levy" <andylevy@yahoo.com>
To: <dakota-truck-moderator@bent.twistedbits.net>
Sent: Sunday, October 21, 2001 3:33 PM
Subject: Re: DML: 5224 VS 3923 plugs

> Not true. The 5224 has an "extended power tip" which puts the electrode
> farther into the combustion chamber. THAT is the difference you saw. A
> 3923 will fit just fine in the 4.7L, and the elctrode will not be inside
> the plug hole, it will be where it's supposed to be.
>
> Plugs are not designed to the engine. If that were the case, they'd be
> insanely expensive.
>
> The "correct plug" per the book may be the AP5224, but experience on the
> DML shows that others work quite well. Platinum doesn't conduct as well
as
> copper - it's used because it lasts longer, so that manufacturers can
claim
> their "100,000 miles before the first tune-up." And there's a silver
> lining in everyone's pockets except for the consumer, because it's a much
> more expensive material than copper.
>
> Everything I see/hear at auto parts stores I take with a very large grain
> of salt after:
> A) one attempted to tell me that a 180 thermostat would ruin my engine
> B) another got snippy when their computer couldn't find my TB gasket, so I
> asked for a Jeep one instead - "why'd you say Dodge if it's for a
Jeep?" -
> because your computer doesn't have a listing for the Dodge and it's the
> same engine, you NAPA a-hole
> C) another they refused to even sell me non-factory-size tires
>
> kwreimer wrote:
>
> > Ok I visited my friends at the parts store today and compared the 3923
to
> > the 5224 autolites. the 3923 are for the V-6 not the 4.7. the list shows
> > 3924 actually for the V-6. so you men are running a colder plug. But the
> > important point i found comparing them is that the 3923 threaded portion
> > is slightly shorter in length than the 5224, Meaning if i was to install
> > the 3923 in my 4.7 the plug is actually up inside the plug hole, THUS
> > causing the electrode to not be further down where it should be. Would
> > this not
> > cause a problem in the way fuel air is ignited.? I dont want arguments
> > here, I just want to say I disagree in using a plug in a motor in which
it
> > is not engineered for. The correct plug for the 4.7 is the AP5224.
> > A=AUTOLITE, P=PLATINUM.
>
> --
> -andy
> andylevy@yahoo.com
> Maintainer, DML FAQ - http://www.dakota-truck.net/faq/
> http://home.twcny.rr.com/andylevy/dakota/
> '99 CC 4x4 318 auto
>



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