'70 Cutlass Supreme Gas Tank
February 10th, 2018, 10:13 PM
#2
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Join Date: May 2008
Location: Austin, Texas
Posts: 3,133
The tanks were installed "as is".....no paint, etc. The tanks have a plating or coating that adds some protection to the bare surface. Typically referred to as "Terne Plate".....made of a lead/tin mix.
If the car got DEALER-APPLIED undercoating then whoever shot the stuff under the car seemed to also spray the tank underside with the undercoat. I've seen that alot on dealer-undercoated Olds (and other Abody's) from our era.
Some people clean the new tanks and spray them with clear or you could use something like Boeshield T-9 (spray can applied wax/oil sealant) which can be reapplied periodically.
If the car got DEALER-APPLIED undercoating then whoever shot the stuff under the car seemed to also spray the tank underside with the undercoat. I've seen that alot on dealer-undercoated Olds (and other Abody's) from our era.
Some people clean the new tanks and spray them with clear or you could use something like Boeshield T-9 (spray can applied wax/oil sealant) which can be reapplied periodically.
Last edited by 70Post; February 10th, 2018 at 10:17 PM.
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