At 10:20 AM 7/10/00 -0400, you wrote:
> <snip> My question is , why are we using 3924/3's when the book
>say to use 5224's?
The 522xs are projected tip, truck plugs for the 5.2L (and 3.9L).
The 392x family are listed for the 5.9L (360) but will also work
with the 5.2L and 3.9L.
I run quite often at the track with a modded engine so I use the 3923s
and I have found that any fouling in city-type driving is quite minimal.
>What is the difference between the 3923 and the 3924 plug?
The 3924 plug has the normal heat range for our trucks. The 3923
plug is one range colder. Generally, if you frequently run
a heavy load and/or run often at WOT, the colder plug gives
greater benefits.
Bob. Ont, Canada.
'97 Dakota CC, 5.2L, 4x2, 3.92 SG, auto., 4265 lb.
PB: 14.737 @ 91.75 9.364 @ 72.95
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