Glad to hear that somebody else does not believe the old wives tale ("my
mechanic said")
about Platinum plugs being wrong for the 4.7L. I've got about 50K miles on
myne, they are
as clean as the day I put them in, and I have NEVER had any misfires, just
smoothe runnin'
(all the way up to 6500 rpm) . . .
> Maybe it's just me; but, I got 100K+ miles on a set of Bosch 4417 plugs
in
> my '00 4.7L club cab. I still get 22+ MPG highway cruising at 65 MPH
(if
> you can do that in the Philly to Richmond metro area, it's all one area
> now). My idle has been a little erratic since I installed a 70mm
throttle a
> few years ago ( between ~500 and ~900 rpm). I recently changed to Bosch
> 4418 plugs (125K miles) to see if there is any performance/mileage
change;
> too early to tell.
> - -----Original Message-----
> From: owner-dakota-truck@bent.twistedbits.net
> [mailto:owner-dakota-truck@bent.twistedbits.net]On Behalf Of Bill Pitz
> Sent: Tuesday, September 30, 2003 5:53 PM
> To: dakota-truck-moderator@bent.twistedbits.net
> Subject: Re: DML: Indexing Spark Plugs?
> On Tue, 30 Sep 2003 01:47:44 -0400, srm804@hotmail.com ("Steve Mills")
> wrote:
>
> I have put more than 100,000 miles on two 92 5.2's and never had
misfires
> due to Bosch plus4 plugs. It has always been due to bad wires.
> Maybe fine on your 5.2's, but everyone else was talking about 4.7's,
> in which you're specifically not supposed to use platinum plugs.
> - -Bill
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