Posted by William Grosz on 2021/5/16 21:00:56
The radiator is dropping heat evenly across it, so I I don’t think anything is clogged up. It is a newer core - I’m starting to wonder if the core doesn’t have the right capacity? Has anyone done a flow check with the radiator in the car? I’m thinking I could dump 5 gallons in the top of the radiator and time how long it takes to come out the bottom, starting the stopwatch when water first came out? Would that work?
It would be best to fill the radiator to the level you normally keep it at when running then let it flow. Even though it is not a lot with the height of the radiator it still will have a higher pressure when full as opposed to partially filled. This article I found explains it.radiator flow article
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