Quote:
Originally Posted by 1966-Suburban-V-8
Pull it and take it to a competent radiator shop. They can check to see if further damage was done. Perhaps you got "lucky" and the lower coupler acted as a sacrificial anode. Should be repairable if that's the case.
Definitely run the electrical grounds back to the battery or engine block. Make sure the engine has a HD ground to the battery as well.
Dan
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Thanks for the tip. The couple radiator shops I took it to could not weld it so one sent me to a motorcycle shop that knows how to weld aluminum (waiting on the material from Griffin). The core is epoxy fastened to the tanks do they couldn't inspect the core but what they could see they all said looked "fine". Looking into the tank from the 3 holes it does not look corroded from what is visible but you cannot see the entire core.
Once it is back up and running they said to check the coolant with a meter to see if there is any voltage, I will definitely follow your advice and run a new ground when I put it all back together!