thanks for the reply, but 1 question, how would the age of my engine make
the compression rise and not fall do to more blow by from the rings? I try
and drive the wifes car when we go on long trips, it gets better gas millage
:)
TJ
----- Original Message -----
From: "Bob Tom" <tigers@bserv.com>
To: <dakota-truck@buffnet.net>
Sent: Wednesday, March 21, 2001 7:51 AM
Subject: Re: DML: I'll ask AGAIN
> At 08:08 AM 3/21/01 -0800, you wrote:
> >OK all, I made a deal with the wife, if I found out that I could run 89
oct
> >in my 92 V8 around town with no pinging, she'd let me spend the money
> >forvthe computer (we just spent 200 at the Gator Nationals this weekend)
> >SO what do you think, can you get by with 89 just around town and highway
> >staying off the throttle with the performance computer?? Granted I would
> >put 93 in it when I take it to the track!!! TJ
>
> It would depend on the internal condition of your engine. Being a '92, I
would
> imagine that the compression has risen a little over these years so using
> 89 would be questionable.
>
> I use 92 octane with the '96 MP PCM and have never tried 89 in it. My
engine
> is low mileage for a '97. I did have had one pinging experience (going up
> small
> inclines) with mine but narrowed the cause to a 'suspect' no brand tank
of
> gas.
> Putting in a bottle of octane booster got rid of the pinging.
>
> Bob Tom Burlington, Ont., Canada
> '97 CC Dakota, 5.2L, 4x2, auto., 3.92SG, 4,265 lb (racing weight)
> Dyno: 231.2 rwhp 340.0 lb-ft rwtorque
> PB: 14.737 @ 91.75 9.364 @ 72.95
>
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