Thermostat vs. fan switch temps

FJ40Jim at FJ40Jim at
Fri Jun 1 15:42:57 EDT 2001

In a message dated 5/30/01, schott at writes:
> Do you know the stock temp ratings for the thermostat and fan switch?

On the '84-85 4KSQ, the fan switch is rated "on at 92, off at 87".
The stock thermostat is a 87C unit.
>  Are you keeping with the stock temps?

No, I am going w/ a "on at 82, off at 77" switch and a 80C t-stat.  This is 
in light of a pending turbo install onto the JT engine.  If the fan runs too 
much, a different switch or t-stat can be easily installed at a later date.

>  I've had some trouble with an over active fan and the guy at GPR suggested
>  an 80deg stat and an 85deg switch.

Sounds like a good plan to me.

Jim Chenoweth    '85 4KSQ 
Lancaster, Ohio, USA
Mailto: fj40jim at
Ph. 740.862.2604

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