<VV> Engine cylinder head temperature guage?

[Mike Kost]

Only the Corsa 140s and turbos (only available in Corsas) had the 
threads for the thermistor. All others had threads for the switch. If 
I'm not mistaken the Corsa snap switch had the same threads as the 
thermistor.

Mike Kost
SMCC

BBRT wrote:
> Paul,
> Recent threads on this, so you might search the archives. Westech 
> (sp?) makes a gauge with sensor(s)- check aircraft suppliers like 
> Spruce.  You can either put a ring sending "unit"one under a spark 
> plug, or use the bosses on all Corvair heads. Difference between small 
> valve and 140 head bosses are the threads. Coarse for the standard 
> small valve engines (except turbo) and fine for the 140 heads. 140s 
> and turbos used a thermistor connected to the dash gauge generally 
> thought to not be very accurate, more of an indicator plus a "snap" or 
> switch sensor (Small valve heads used just the sw sensor going to the 
> Temp light on the dash. Some folks use the bosses on the bottom of the 
> head or add one to the center cyl, again on the bottom. You would not 
> connect it to or thru the block.  I am confused by your wanting a head 
> temperature gauge and then asking questions about the block.  I think 
> you mean the "head". The manuals will show you where as will the 
> Corvair books and I think there is an article in the Tech Guide.  All 
> of these are available thru the vendors and advertised in the CORSA 
> Communiqué.
>
> Good Luck
>
> Chuck S
> BBRT