I just used Eastwood Rust Encapsulator in aerosol can as the top coat for my firewall. Looks great, and has a slightly less gloss than the inner fenders, etc. as they were from the factory. Plus, it can be touched up very easily in the future if ever needed.
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1966 Pontiac GTO (
restoration thread)
1998 BMW 328is (
track rat)
2023 Subaru Crosstrek Limited (
daily)
View my photos: Caught in the Wild