No, the stock R/T's can use reg or 89 octane pump gas....
if a MP PCM is added at least premium pump gas is required.
Ron-
'01 Dakota Sport 3.9 Supercharged
website: http://www.scsilverdak.com
e-mail: scsilverdak@hotmail.com
----- Original Message -----
From: "andy levy" <andylevy@yahoo.com>
To: <dakota-truck-moderator@bent.twistedbits.net>
Sent: Sunday, December 08, 2002 10:24 PM
Subject: Re: DML: Re: severe detonation problem
>
> Don't all R/Ts require 92 octane or better?
>
> Jim Miller WB5OXQ wrote:
> > Plugs are new. Plugs that came out having 30k on them looked good. I
fear
> > a lean condition and I am running mid grade now.
> > ----- Original Message -----
> > From: "Terrible Tom" <SilverEightynine@earthlink.net>
> > To: <dakota-truck-moderator@bent.twistedbits.net>
> > Sent: Sunday, December 08, 2002 11:24 PM
> > Subject: Re: DML: Re: severe detonation problem
> >
> >
> >
> >>I would try burning premium grade and I would also replace the O2
> >>sensors. If they have
> >>gone bad - it very well could cause the rich conditions. How new are
> >>your plugs? Might want to pull them to see if the electrodes are worn.
> >>Running rich will cause a plug to wear out faster.
> >>
> >>
> >>
> >>
> >>
> >>>-----Original Message-----
> >>>From: Jim Miller WB5OXQ <wb5oxq@grandecom.net>
> >>>To: dakota-truck@dakota-truck.net <dakota-truck@dakota-truck.net>
> >>>Date: Sunday, December 08, 2002 3:56 PM
> >>>Subject: DML: severe detonation problem
> >>>
> >>>
> >>>
> >>>
> >>>>Just over the past 3 or 4 months my 99 R/T has developed a severe
> >>>
> >>>detonation
> >>>
> >>>
> >>>>problem especially at full throttle but noticable even on the cruise
> >>>
> >>>control
> >>>
> >>>
> >>>>pulling a slight incline. I have changed nothing that should cause
the
> >>>>problem over the past 4 years. the truck has 49k miles on it. I
> >
> > checked
> >
> >>>>inside the t'body to look into the manifold and it is very clean so I
> >
> > dont
> >
> >>>>suspect the belly pan gasket. I have tried techron fuel injector
> >
> > cleaner
> >
> >>>as
> >>>
> >>>
> >>>>recommended by a local garage owner that specializes in tune ups and I
> >
> > am
> >
> >>>>running 89 octane fuel but that has not helped. I hesitate to take it
> >
> > to a
> >
> >>>>dealer because I am afraid all they know to do is retard the timing
> >
> > enough
> >
> >>>>to stop the knocking and I suspect that will take a big retard as bad
as
> >>>
> >>>the
> >>>
> >>>
> >>>>knock is. I know that will hurt mileage and performance a lot and
since
> >>>>timing is ecm controlled it should not have gotten out of adjustment.
I
> >>>>wonder if low fuel injector pressure could be the problem? I have no
> >
> > way
> >
> >>>>to check this. I do not believe there are any vacuum leaks either. I
> >
> > am open
> >
> >>>>for suggestions because right now I have to drive very gently to avoid
> >>>>knocking. Any help would be greatly appreciated. I may have to make
a
> >
> > trip to Pflugerivlle.
> >
> >>
> >>
> >>--
> >>
>
>>--------------------------------------------------------------------------
> >
> > --------------
> >
> >>Terrible Tom
> >>
> >>"It's a living thing... It breathes, it eats, ...and it hates..."
> >>
> >>Silver '89 Reg Cab, V6, Auto, 8 footer, 4x2
> >>Silver '89 Reg Cab, V6, Auto, 8 footer, 4x4 w plow - (aka Granpa)
> >>
> >>AIM Screen name: SilverEightynine
> >>Yahoo Messenger: SilverEightynine
> >>
> >>DML Profile URL:
> >>http://www.twistedbits.net/WWWProfile/dakota/LkxxVw49jp7dU/
> >>
> >>
> >>
> >
> >
> >
>
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