Hello. My original Camaro tank looks like a galvanized coating, I believe all new tanks are Ni-tern.
Ni-terne steel is a lead-tin alloy that is used to coat fuel tanks and other steel parts to prevent corrosion and rust:
Composition: Ni-terne steel is made up of about 92% lead and 8% tin.
Properties: Ni-terne steel is ductile, has a dull gray finish, and is lubricating. It's also the least expensive tinplate alloy.
Uses: Ni-terne steel is often used to coat fuel tanks because it performs well when in contact with petroleum fuels. For example, reproduction fuel tanks for 1970–1972 Chevrolet and GMC pickup trucks are made from stamped steel with a Ni-Terne coating.
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