<VV> Interesting Temp sensor question

[Sethracer@aol.com]

In a message dated 7/20/2004 9:59:49 AM Pacific Standard Time,  
FrankCB@aol.com writes:

Perhaps  they meant to say that there are 2 DIFFERENT temp snap 
switches used, the  "normal" one on "regular" Corvair engines and the "hi 
temp" one 
used only  on Spyder turbo engines.  I believe that the LMs did it this way 
for  
non-Corsas and Corsas, i.e. 95 and 110 hp engines had the "low temp" ones  
while 140 and 180 hp engines had the "hi temp" ones.
Frank "pupil telling teacher"  Burkhard




It is, I think a function of the thread in the head, but there could be a  
difference in the temp where the switch closes as well.. All 150's, 180's  and 
140's in Corsa's (Maybe in Monzas and 500, as well) used a 3/8-24 fine  thread 
in the heads, so that the thermister could thread in when used with the  head 
temp gauge. Both heads had the fine thread. In the non-140/150/180, proper  
engineering practice (for threads into aluminum) was continued from the  earlier 
 Vairs, a coarse thread was used. (Fine thread into aluminum was  not 
considered proper practice - as anyone who has tried to remove a stuck  thermister 
can testify. But that was the thermister they had!)  Anybody  remember where the 
other fine thread into aluminum was used?  - Seth  Emerson