The head sender would register a little hotter than the t-stat housing mounted sender. The head area was used on later trucks/cars for Transmission Controlled Spark. Brian


My \'64\'s in the Gallery
Pictures in my Photobucket
1964 C10 Custom Cab 350/700R4
1964 Suburban 350/700R4
1979 Ford F350 4x4 400/c6