I tried the heater as a coolant helper in my kid's Mini a few years 
back, we just lived with 212* all the time, nothing seemed to work on 
that engine.
My Sprite had similar problems with the hopped up engine and the way 
smaller air intake of the Speedwell nose. Nothing worked.
T/stat blanked off, heater valve open, shifter boot removed to let the 
air out. 212* would have been livable, but it was more like 230*
Then I found the Geo Metro radiator. I set the electric fan stat for 
170* and it stays there.
All I can say is it solved my hot hot hot problem.
It has to be from an auto tranny Metro 3 banger, the standard trans 
radiator is a tad too tall.
-- 
Frank Clarici
Toms River, NJ
Back up to too many sprites again.
http://www.exit109.com/~spritenut/
 
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