[V8] V8] cooling system thermostat

Ed Kellock ekellock at gmail.com
Mon Jul 31 11:42:50 EDT 2006


No, my electric fan did not kick into high speed at those temps.  It does
run with the a/c on however.  I have both the old and the new thermostat
cooking in a pan right now and with 90c water, the old one is open much
further than the new.  I'm going to reinstall the old one and see what sort
of temps I get with it.

Ed

> -----Original Message-----
> From: v8-bounces at audifans.com 
> [mailto:v8-bounces at audifans.com] On Behalf Of 
> Michele_Deltergo at KeyBank.com
> Sent: Monday, July 31, 2006 9:36 AM
> To: ekellock at adelphia.net
> Cc: v8 at audifans.com
> Subject: [V8] V8] cooling system thermostat
> 
> 
> 
> 
> Ed,
> I have not had a V8 thermostat in my hands though sure looks 
> similar to the I5's.  Stats had a "stop" more or less as did 
> most others I have seen so you can more or less gauge full 
> open position.  The door only opens so far before hitting the 
> lower struts.  As per my post, does your electrical fan kick 
> in at 100-105C?  Even though I'm not sure of the status of my 
> rad, your temps are much higher than mine under the same 
> conditions. Mike
> 
> 
> How far should the thermostat open when it reaches its operating temp?
> 
> I have an 87C thermostat in 90C water and it doesn't look 
> like it's open that far, but I'm not sure how far it should open.
> 
> Thermostat is a new one from that I just removed from a 90 V8 
> that I just completed the timing belt water pump etc. job on.
> 
> I flushed it very thoroughly with using 8 gallons of 
> distilled water then refilled with the appropriate amount of 
> Pentosin antifreeze and distilled water.
> 
> Yesterday it was in the low 90's and the temp gauge was at 
> 100 or just above at steady state 45 mph and would climb to 
> 105 at a signal or climbing even a moderate hill.  This car 
> never ran that high before and neither does my other V8.
> 
> 
> 
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