Mechanical Water Temp Gauge

Dave Castle

Dave Castle

Senior Member
Can I run a single mechanical temp gauge & get a good reading ? If so should I put the probe in the drivers side or passenger side head on a 1947 59A installed in a 40 pickup ?
 
Keep in mind that the Ford V is actually two four cylinder engines on one crankshaft. The cooling systems are joined at the radiator. If you want to use only one gauge, put the sender in the top radiator tank.
 
Even though my radiator in my avatar is a Walker and not separated, I run two separate aftermarket mechanical gauges, one off of each head. Since I also run a heater and I use later 59ab heads with two outlets in each head, I join the heater hoses together off of the heads so the temp readings are pretty accurate and I figured it was better to draw from both sides of the engine when I run my heater. The pass side runs maybe 5 degrees cooler but I have a sticky thermo in the driver side head. A fix for this winter ....
 
Most comments I have seen indicate that the passenger side (USA) runs warmer. IF I were to run one gauge, I would start there. Curious as I am, I would document the reading on one side and switch it to the other side and repeat under similar circumstances.
 
I have a 40 sedan with 52 flattie with offy heads. On pass side, two ports with elec. fan sensor in one port and gauge sensor in other. Drivers has one heater gauge fitting only.
Trying to add heater hose valve.
How do I do that?
Rick
 
Your going to have to put a “T” in for the hose an put a temperature control valve in the hose operated by a cable. I think Ford pickups in the ‘70’s-‘80’s had them. The return hose goes to a fitting in the bottom radiator hose..... Mark
 
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