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602 Water Bypass Lines

Questions or Problems contact us at: Ph.: 330-540-7223 or email brad@race-1.com

(all information below is a recommendation from Race-1 not necessarily from GM)

 

 

We have commonly seen hot water lines connected to the ports below the carburetor on 602 engines. For racing applications this connection is completely WRONG.


The cavity in the 602 manifold below the carb is not attached to the cooling passages and should NOT be plumbed into the cooling system.


The intended use of this cavity is to heat the carburetor for winter time driving in a street application.


For racing application, we strongly recommend removing the pipe plugs to allow air to pass through this cavity.


NOTE: There are appropriate water bypass systems for 602 engines, however for this tech tip segment we wanted to emphasize what is NOT correct.

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