Another question for you guys,
I am now convinced on the autolite coppers but was wondering if the 3924's
would be a better application for my truck as it is basically stock and I
don't "rat around" very much? I was thinking about the 5224's but some on
the list said," what's the difference between a 318 truck engine and a car
engine?", which the 39's are for (car engine).
Thanks
Jay
-----Original Message-----
From: jdurling@mindspring.com <jdurling@mindspring.com>
To: dakota-truck@buffnet.net <dakota-truck@buffnet.net>
Date: Tuesday, October 17, 2000 7:31 PM
Subject: DML: spark plugs
>I waited a few weeks to try this out before I brought up an
>observation/question about the autolite 3923 plugs. When I changed my
>plugs I also changed my cap and rotor. From this I have noticed that the
>truck runs smoother and has more power on tap. I have changed my cap and
>rotor a couple of times before and have never seen the increase that I
>have in power and the smoothness of the engine. I pulled out a set of
>10k old truck plugs and they were burning perfectly fine from their
>color. I pulled out one of the 3923's a couple of days ago and they
>looked just as good. I know a set of new plugs can help out alot but not
>ever like this. To top all of this off I have seen a definate
>improvement in mileage (14mpg to 16mpg in town). Maybe this is from the
>new plugs but in the last couple of sets I have used (including
>replaceing the factory for factory) there has never been such a
>noticalbe improvement. Sure, it ran alot better at first but after a
>week or two at most it was back to it's usual self. This has just been
>surprising to me that's all. Wo knows maybe there was something wrong
>from the begining and a colder plug has always been whats needed what
>ever it is I sure am glad.
>
>Jeff Durling
>'96 RC Sport
>
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