You might want to make sure that you have the correct sender, With a gauge the sender is a variable resistor, the resistance changes with the temp...
for what it is worth guys, 230 ci and 292 ci engines use different mounts on the right side and neither is the same as the V8. Don
It has been my experience that popping thru the carb under acceleration is a camshaft problem, worn lobes etc. Don
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