You NEVER get hot air? I'd look somewhere other than the stat. I was always
toasy warm this year through our Upstate NY winter. The stat may be stuck open,
or possibly a blockage in the lines to the heater core.
-andy
Shelley Batty wrote:
> Hi, I'm new to the list, and new to Dakotas, but this thread on t-stat temps
> prompts me to write already. I just bought ( Saturday afternoon) a 93
> Dakota sport, 4x4, Club Cab. 3.9 magnum and 5 speed. As I am sure most of
> you know, the temp gauge has no numbers to give a real idea of how hot the
> engine is running. On mine, the needle only comes up about a third of the
> way on the gauge, and I never get anything resembling hot air from the
> heater. Does it sound like the PO may have swapped in a cooler than stock
> t-stat?
>
> Thom Batty
> 93 CC sport 4x4
>
> -----Original Message-----
> From: owner-dakota-truck@BUFFNET.NET
> [mailto:owner-dakota-truck@BUFFNET.NET]On Behalf Of Will Coughlin
> Sent: Sunday, April 08, 2001 9:08 PM
> To: dakota-truck@BUFFNET.NET
> Subject: Re: DML: RE: 180 t-stat mileage numbers
>
> Ryan, the magnum PCM's for the 3.9/318/360's actually have an ideal
> temperature of 182* or 183*. That is why everybody is able to run a 180*
> thermostat without tripping a code and setting a mil. That is also why most
> everybody experiences some sort of power increase.The power increase is
> minimal, most people that have done it have done it to help prevent the
> pinging/detonation common in the Magnum motors. Some people have run 160*
> thermo's and I think a few of them tripped a code for the engine being too
> cool for too long, but I've never heard of it with a 180*. The factory
> installs 195* thermostat for emmisions purposes. Remember that the factory
> tunes the motors to pass emissions, and a colder running engine will produce
> more emissions. The 180* thermo will not decrease power, but the power
> increase may not be enough to feel. I would definitely change it out, just
> because I like a cooler running engine, and it will help prevent the pinging
> problem.HTH,
>
> Will Coughlin willcoughlin@hotmail.com
> '00 reg.cab,2wd,4.7L/NV-3500HD5-spd/3.92sg(9.25")
> http://www.geocities.com/willcoughlin/index.html
>
> ----Original Message Follows----
> From: "Ryan Ingram" <fatblkdak4x4@hotmail.com>
>
> okay so you're saying you gained 1/100 or so mpg by switching to a 180 deg.
> thermostat?... hmmm. I've heard so much about this mod as a performance
> increaser but is that true? I was about to swap mine today just to see if it
> really works (plus it's cheap), and I ended up leaving the parts on the
> counter after "enrique" at Kragen talked me out of it. He didn't look like
> an expert auto mechanic, but he did seem to strongly believe that changing
> it would only result in a *decrease* in power because the newer engine is
> designed to run hotter (may work for older vehicles), and the computer is
> set for that temperature range out of the factory. I'm not sure but I don't
> want to waste my time changing it if it's not going to work. Does anyone
> have any real proof of this working? what does the manufacturer/Mopar
> reccomend? how much HP it it supposed to add?
>
> Ryan Ingram
> '99 Dak Sport CC 318 4x4, *195 Thermostat*
>
> _________________________________________________________________
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