I can't tell you whether yours is switchable or not. Mine is not. It
depends on whether or not your VIN and odometer are contained within the PCM
or not.
Pinging, on the other hand, is sometimes noticeable and sometimes not,
especially since you have modified your exhaust. You may not hear light
pinging over the exhaust noises. By the time you hear your pinging it's
hammering those pistons pretty good. Besides, what if you decide to haul
something and you have a tankful of 87. Are you going to drain it and put
the 91 in?
It's your truck and you take care of it the best you see fit. I just would
hate to see you writing the DML later and asking what the cheapest way to
replace an engine is. All for a couple bucks now. Don't forget, one must
pay to play and paying now is a lot cheaper than paying later...even with
inflated dollars.
My $.02
Ron
00 SLT QC 4X2 5.9 46RE 3.92 LSD
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net]On Behalf Of John Neff
Sent: Monday, August 28, 2000 9:22 AM
To: Dakota Mailing List
Subject: DML: Re: MP Computer installed
There were no instructions that came with the computer.
If I can control the ping without 91 octane gas, then is it wrong? I don't
think so. If I can tow without ping, does that still mean I'm doing
something wrong? Again, I don't think so. But then again, this is why I'm
keeping my stock computer and why I asked if there would be problems
switching back and forth on a 98 truck.
John
98 Dak 4X4 CC Sport, 5.2L, Auto, Mopar headers and computer, F&B TB, Gibson
>ok now look at the directions for the computer right
>there it says and i quote " use 91 octiane or higher "
>the reason for this is with the timing advanced (the
>computer does this ) it will ping on anything under 91
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