RE: pinging:used to be MPG

From: Mok, Alan (AMok@spbank.com)
Date: Tue Oct 27 1998 - 11:11:09 EST


Just my observation:

Unocal or Chevron 87 - no knock except on hot days at WOT

Mobil 87 - knocked big time (corn popping in there?) on a 70 deg evening
at WOT

I am going to stick with Unocal or Chevron and put in some 89 on hot
days. I always use 92 when towing.

Alan

'98 Dakota R/T (Headers, FABM & waiting for Shift kit)
'89 Mustang GT (347, Griggs, S-trim...)
Ducati 916 (someday)

                -----Original Message-----
                From: Bridges, Bruce [mailto:bbridges@alarismed.com]
                Sent: Tuesday, October 27, 1998 7:30 AM
                To: 'dakota-truck@buffnet.net'
                Subject: RE: pinging:used to be DML: MPG

                Jack,
                I long to hear the ping, but at 87 CA octane gas its
quiet, even with the
                JETII... I got all the othe TSB issues covered
though!...
                BKB

                -----Original Message-----
                From: Jack Hilton III [mailto:HEMI@charter.net]
                Sent: Tuesday, October 27, 1998 5:04 AM
                To: dakota-truck@buffnet.net
                Subject: pinging:used to be DML: MPG

                Well , guess what ?

                I have noticed that with increasing regularity that when
my R/T is hot and
                I get on the throttle hard that I can hear it starting
to ping !

                Yes , I am running 87 octane , but I don't have my JET
chip on the truck
                right now and basically all I have is the 180 stat and
the FABM .

                I did notice a TSB on this listed ;

                Service Bulletin Number: 971231183497
                Bulletin Sequence Number: 488
                Date of Bulletin: 9805
                NHTSA Item Number: SB600487
                Make: DODGE TRUCK
                Model: DAKOTA
                Year: 1998
                Component: ENGINE
                Summary: CONDITION WITH ENGINE MAY SPARK KNOCK WHEN WARM
UNDER
                MODERATE TO HEAVY ACCELERATION. *YC

                This is exactly what mine is doing .

                Anyone else with or without an R/T having this problem ?

                Mine has almost 9k on it now .

                At 06:14 PM 10/26/1998 -0500, you wrote:
>I have noticed recently that alot of people are
complaining about
>pinging. Just to let everyone know if you use 87
octane fuel in a car
>with a bunch of mods you are probably HURTING your gas
milage. The
>higher the octane the better the fuel burns in the
combustion chamber
>and thus better performance. There are alot of people
that are
>complaining about pinging. If you have done some
performance mods and
>you are still using 87 octance fuel try 92 for a while
and see if it
>goes away. I know from personal exsperience that it
helps with pinging
>and performance. Well thats just my $.02.
>
>--
>Michael D.
>
>Wants a 99R/T RC
>Got a 84 Chrysler LaserXE
>
>
>
>

        
--------------------------------------------------------------------

                Jack Hilton III

                Black 1998 Dodge Dakota R/T Club Cab

                Charter Pipeline......the Next Wave.....

                HEMI@charter.net

                http://www.mindspring.com/~hemi/jbd1.html



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