[urq] Running temps in 100F weather

Rich Letsinger rletsinger at gmail.com
Mon Jul 25 16:49:49 EDT 2005


Brandon,

You probably have an 87C thermostat and a 95C fan relay, so I can't
see those temps improving at all.  Where the fancy radiator is going
to help you is charging around on boost.  You'll be putting a lot more
heat into the system and it'll reach it's limit at some point.

I think those radiators are only needed by us track junkies or you
guys that zoom around in the mountains where the air is thin.

Rich

On 7/25/05, Brandon Rogers <brogers at terrix.com> wrote:
> Just a data point here-
> with temps at 100F here in Denver these days - slightly higher on the roadways - I took the car out on the highway over the weekend to see what temp she would be running at in such hot weather.  Cruising at 80mph (w/ambient of ~100F) my temp gauge said about 87C (190F).  At one point I exited and stopped  - temps climbed to 95C - but dropped quickly once back on the highway.  On slow seconday streets temps hovered around 95C (203F).  This is with 3B motor and stock urq cooling system.  I was not driving the car hard on the slow streets and the highway was flat.
> 
> With these kind of water temps I wonder if a big alum rad would even be much of an improvement....
> 
> Brandon
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