Sure, here's an article discussing whether it is safe to use dry film lubricant on the interior of a radiator:

(can i put dry film lubricant on interior of radiator ?)

When it comes to automotive maintenance, there are many areas where lubricants can make a difference in keeping your vehicle running smoothly. One such area is the internal surfaces of a radiator, which are responsible for transferring heat from the engine to the cooling system. Dry film lubricants are a popular choice among enthusiasts who want to keep their engines running smoothly without the need for synthetic oils. These lubricants contain high levels of synthetic oils and additives that help protect the internal surfaces of a vehicle's engine from wear and tear. However, using dry film lubricants on the interior of a radiator can be dangerous if not done properly. Dry film lubricants contain a solvent that can cause damage to the paint or body of the vehicle over time. Additionally, if the lubricant gets into the intake manifold or other critical parts of the engine, it can block air flow, causing problems with the engine's performance. So, before applying any type of lubricant to the interior of a radiator, it's important to first check that the vehicle has been properly rinsed and dried to remove all dirt and debris. It's also a good idea to consult with an experienced mechanic or car enthusiast who can advise you on the appropriate type and amount of lubricant to use for your specific vehicle. In general, it's best to avoid using dry film lubricants on the interior of a radiator. Instead, consider using synthetic oil or silicone-based lubricants, which have fewer harmful chemicals and can last longer than traditional lubricants. Alternatively, if you're willing to do some extra work, you could try adding a small amount of coolant to the interior of the radiator to help distribute heat more evenly.

(can i put dry film lubricant on interior of radiator ?)

Overall, while dry film lubricants can be a useful tool for protecting the internal surfaces of a vehicle's engine, it's important to use them responsibly and follow proper safety guidelines. By taking these precautions, you can help ensure that your vehicle runs smoothly and stays healthy for years to come.
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