Funny...and here I heard from a few R/T'ers that is was the rear suspension.
(Things that make ya go HMMMMMMM....)
Engine Calibration?!? Yeah....and all those people running with Mopar
Performance Computers and towing "stuff" aren't having these problems.
(Well...some are pinging a little bit)
- Bernd
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net]On Behalf Of Rob Parenti
Sent: Thursday, July 27, 2000 7:26 PM
To: dakota-truck@buffnet.net
Subject: DML: Jack's Black Dak BuyBack
I thought the story of Jack's Black Dak BuyBack was interesting:
http://webpages.charter.net/hemi/rtgone.html, so I sent it to my brother,
and here is his response. I think he was confused about Jack's mentioning
the distinction between 5.2's and 5.9's (I know I am), but the rest is food
for thought. It kind of makes you wish DC was more forthright in the first
place: they took a reliability issue, kept it secret, and it becomes a
safety/liability urban legend!
>>
Nice try Mr. R/T but here's the real story: First of all, I'm assuming
most know this but R/T's are 5.9L, not 5.2. Secondly, the suspension has
stiffer springs (not de-arched) and also uses higher pressure in the
struts. Thirdly, towing capacity has absolutely nothing to do with rear
axle travel, which is merely a function of trailer tongue weight (typically
100-200 lbs or so). The real reason for the reduction in GCW (Gross
Combination Weight) has to do with the engine calibration. Because the R/T
package has a premium fuel calibration, combustion chamber pressures tend
to be significantly higher than a normal 5.9L cal due to the advanced spark
timing. This resulted in increased occurrence of blown out head gaskets,
especially under extended high MAP/high temp conditions (such as towing a
heavy load). Hence the change to the GCW rating.
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