Liquid copper block seal
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Liquid copper block seal
Truck had what I thought were some leaky freeze plugs. Put a bottle of liquid copper in. It's still leaking a little bit but not anywhere near as bad as it was. Is it safe to add more to see if I can stop it completely? Truck is a 1979 f150 and has a 400 in it.
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Enough stop leak should stop it if its not a big hole... and may plug the heater core and radiator. If you have to keep her on the road may be worth a try but better to replace the leaking plugs. How hard are they to get at?
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From what I've read a real bitch (engine removal). When I was under the truck I could only see one of them and there are multiple. I'd love to fix it the right way but it's just not possible right now due to my lack of equipment/automotive knowledge and the funds to have it professionally done.
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