Hi Bob,
Plug gap is 45/1000 and the idle is about the same as before any mods.
Iwould say no more change in RPMs than 25-50 revs.
Bernd said I should check out the ignition system parts and maybe clean out
the TB.
Gotta ask him how...
Thanks, and any return comments appreciated.
Hugh
----- Original Message -----
From: "Bob Tom" <tigers@bserv.com>
To: <dakota-truck@buffnet.net>
Sent: Saturday, December 16, 2000 9:47 AM
Subject: Re: DML: Correct Idle rate?
> At 08:47 AM 12/16/00 -0500, you wrote:
> >I have a 98 DAK, 318, auto, CC with K&N filter, Dual 2/12 inch cat-back
> >exhaust, 180 tstat, 3923 plugs and a JET2 performance chip.
> >I'm idling at about 600 RPM and the engine is rough, like it has an
> >occasional miss. Acceleration is OK, and at slightly higher RPM , it
seems
> >to smooth out.
> >Should I raise my idle rate or is the engine just fooling me at 900 RPM?
> >Thanks, Hugh
>
> Idle rpm is controlled by the PCM.
>
> 600 rpm should be within the slightly low end of the range with your mods.
> Have you taken the idle rpm without the JET2?
> What is your plug gap?
>
> Bob. Burlington, Ont., Canada.
> '97 Dakota CC, 5.2L, 4x2, 3.92 SG, auto., 4265 lb.
> Dyno: 231.2 rwhp 340.0 lb-ft rw torque
> PB: 14.737 @ 91.75 9.364 @ 72.95
>
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