Re: Re: Spark Plugs (5.9)

From: Bob Tom (tigers@bserv.com)
Date: Wed Jul 19 2000 - 06:29:39 EDT


At 11:18 PM 7/18/00 EDT, you wrote:
>The guy at the parts store brought our a set of 5224, but I didnt buy them
>because he only had 6. Whats the diff between the 3923 and the 5224 and why
>should I use the 3923. Thanks Aaron

The 522x family have projected tips, are listed for the 5.2L and made for
heavy truck use. The 392x family have regular tips, are listed for the 5.9L
(although can be used in the 5.2L) and, according to Jon Smith's dyno
results, show a significant rwhp gain (for plugs).

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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