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Username Post: Water temp gage prob        (Topic#373875)
Posts: 6

Reg: 11-30-11
10-09-23 05:06 PM - Post#2863225    

On my 57 bel aire with a 350 crate engine, when I run the car from cold, the dash water temp gage gradually rises to full hot and stays there. Installed separate water temp gage using a different port and it reads normal


Super Senior Member
Posts: 6467

Loc: paradise
Reg: 09-05-03
10-12-23 07:05 AM - Post#2863279    
    In response to 37ryan

electric gauge?

70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails.

Posts: 189

Loc: San Francisco Area
Reg: 12-22-07
10-14-23 03:53 AM - Post#2863308    
    In response to 37ryan

Assuming you have the stock electric gauge that came with a 56 the Delco sending unit should read about 555 ohms at 80 degrees and 95 ohms at 200 degrees. You can put an ohm meter on the sending unit with the gauge disconnected from it,run the car from cold to operating temperature and check for about 95 ohms when at operating temperature. If it goes much lower then 95 ohms it is either a bad sender or the wrong one. Keep us posted Good luck.

Posts: 6

Reg: 11-30-11
10-29-23 10:02 AM - Post#2863702    
    In response to apix17

Thanks for the reply. Unfortunately I've put the car away for the winter, and will have to suspenfully wait till next spring


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