Originally Posted by Micky

Pure rubbish,you can get a mechanical oil temp guage in any good raceparts shop.And it does'nt feed the oil up to the back of the guage to read the temperture!!!!You place the sender in the sump,the sender is filled with mercury.As the oil heats up the mercury expands,thus increasing in volume,this then moves the mechcanisim in the back of the guage,moving the needle.Regards,Micky