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Topics - wrkrbeee

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Mild Modifications / Temp gauge w/electric fans
« on: May 27, 2017, 02:16:29 PM »
Hi everyone, bottom line here is the factory temp gauge pegs within about 60 secs of startup.  Why?  Well, I installed an Entropy radiator with dual electric fans on my big block 1969 Camaro SS.  Intake manifold/fuel line/heater hose fitting/temp gauge all created their own limitations for installing the Entropy temp sensor for the fans.  Settled with the following positioning: 1) removed heater hose fitting from intake manifold and replaced with factory temp sending unit (lower profile fits neatly under the fuel line); and 2) installed a t-fitting in place of the factory temp sending unit, which now houses the Entropy temp sensor and the heater hose fitting.  I'm not an engineer, but I'm pretty sure that the temp sensors measure resistance using an electrical charge introduced into the coolant.  And, my guess is that when you have two such temp sensors introducing their individual electrical charges, the factory temp gauge sorta freaks out (i.e., pegs the gauge).  Anyone have any insight for the temp sensor function?  And, anyone have any suggested remedies for the problem?  I am grateful for any comments.  Thanks!

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