Re: Running Warm

[Jimmy Peavy <peaver63@xxxxxxxxxxxxxx>]

When you get moving, more air is forced through the core.
The proof the additional thickness is restricting airflow.
The fan can't pull ample amounts of air without movement of the vehicle  
to help push it through.
That's why they don't make five and six core radiators.


On 8/8/2011 8:29 PM, Bill M wrote:
> My thought was more cores, more water capacity, more cooling capacity.
>
> When I get moving again, the temp will come right down, but it's still
> reading a little high compared to the 3-core.
>
> I'm wondering if I'm going to have to spend the $ for a shroud, and a
> Flowkooler water pump.
>
> Bill M
> 65 Coronet 500 'vert http://1962to1965mopar.ornocar.com/mmo62008.html
> 73 Dart Sport, 00 Cherokee Sport, 05 Ram 2500 CTD, 4WD, QC, LB, Laramie
> 21 Model T Depot Hack, 92 Accord, 06 Mazda 3
>
> On Mon, Aug 8, 2011 at 9:04 PM, Jimmy Peavy<peaver63@xxxxxxxxxxxxxx>  wrote:
> > Why did you go from a three row to a four?
> > Sometimes a thicker core will run hotter because airflow is restricted more
> > with the added thickness.
> >
> >   Jimmy
> >
> > On 8/8/2011 7:44 PM, Bill M wrote:
> > > I installed a new and now my Coronet is definitely running warmer than
> > > it should.
> > >
> > > Here's the list...
> > > 318 Poly, Mild cam, 4-bbl
> > > New 4-core copper radiator (US Radiator)
> > > New 180 deg thermostat
> > > New 16LB cap
> > >
> > > No known issue with the water pump.
> > > 7-blade fan w/ clutch (seems to be working) ~1 inch from the rad.
> > > No fan shroud
> > >
> > > I swapped the previous 3-core radiator out because it was leaking.
> > > With the 3-core setup (no shroud) it never got as hot as fast as it
> > > does now. In fact after sitting just a few minutes at a light, this
> > > 4-core gets as hot as the 3-core rad did on only the hottest days in
> > > July/August.
> > >
> > > I know the lack of a shroud is 1 problem, but I just can't shell out
> > > $250 +$50 for mounting hardware for it right now.
> > >
> > > Considering I basically swapped only the rad, it should be acting
> > > better than this.
> > >
> > > Any thoughts?
> > >
> > > Bill M
> > > 65 Coronet 500 'vert http://1962to1965mopar.ornocar.com/mmo62008.html
> > > 73 Dart Sport, 00 Cherokee Sport, 05 Ram 2500 CTD, 4WD, QC, LB, Laramie
> > > 21 Model T Depot Hack, 92 Accord, 06 Mazda 3

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