3923 is one range colder... was it Bernd? that says the 5224 is almost the
same, I think it had a longer electrode protuberance somethinoranotherthingy
=) easy way to tell is the last number, determines heat range. i.e. 3924
is normal, 3923 is 1 colder, 3922 is 2 colder, 3925 is 1 hotter....
______________________
Jon Smith----Raleigh, NC---
fast4x4@bellsouth.net
www4.ncsu.edu/~jdsmith4
ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
----- Original Message -----
From: "Clay Cooke" <cooke@ecn.purdue.edu>
To: <dakota-truck@buffnet.net>
Sent: Wednesday, January 05, 2000 1:53 PM
Subject: Re: DML: autolite plugs
>
> > Based on this news I tried the Autolite 3923 (one range colder) at the
track
> > in November (stock ignition) and have left them since. So far, I'm very
> > satisfied
> > with them ... no fouling with street driving as yet and idle is smooth.
The
> > Autolite 3924 are the stock heat range. The books actually have them
listed
> > to be used in the 5.9L engine and the Autolite 5224 (stock range) for
the
> > 5.2L engine.
> >
>
> If the 5224 is the stock plug for the 5.9L, what is the plug that is one
> range colder for the 5.9L?? (5223 maybe??)
>
> Thanks!!
>
> Clay
>
>
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