TJ,
Just my experience here with my '96. Running the Mopar PCM, I cannot use
anything less than 92. I tried 89 and it pinged bad. Tried mixing 1/2 tank
89 & 92, and it still pinged a little. Wasn't worth trying to mix. I won't
use less than 92. I don't want any pinging. Sorry to dampen your spirits.
I viewed it this way. It like what, 25 cents difference a gallon? (I
haven't tanked up in a while, the 318 has been apart since the 1st of
January.) :'B That's roughly $5 more a fill-up. Not a big deal really.
Say you gas up every two weeks, that's roughly another $130 annually. You
have to make the justification whether it is worth it or not. Hey, keep
your foot out of it most of the time and it isn't bad. I average 18-19mpg
running back and forth to work. This is a 13mi. trip (one way) with a 6-8
stop average. Good-luck with your dilemma.
Rich - Ashburn, VA
PS. Another way to look at it. Put a good flowing cat-back exhaust system
on your Dak. I gained 18% increase with mine. That offsets the cost of
running 92 octane.
-----Original Message-----
From: Ronald Wong [mailto:ron-wong@home.com]
Sent: Wednesday, March 21, 2001 11:12 AM
To: dakota-truck@buffnet.net
Subject: RE: DML: I'll ask AGAIN
The other thing is, just because you can't hear it pinging doesn't mean that
it isn't.
Ron
00 PB SLT QC 4X2 5.9 46RE 3.92 LSD
For modifications see my DML Profile (URL follows)
http://www.twistedbits.net/WWWProfile/dakota/Kw9pV1EkFeOYY
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net]On Behalf Of Bob Tom
Sent: Wednesday, March 21, 2001 7:51 AM
To: dakota-truck@buffnet.net
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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