Rust Doctor Temperature Limitations

Here is a great question from a Rust Doctor customer. It’s easy to get caught up in the outside beauty of a project car’s “look”. This includes the paint, wheels chrome etc.  But Steve’s question about the Rust Doctor’s rust removal abilities “under the hood” or undercarriage speaks to the quality care he is giving his car. Using our products for rust removal is wise insurance for the longevity of his car. Thanks for the question Steve. If you have a question about rust removal, please contact the Rust Doctor.

Hello,

Will a cured application of Rust Doctor rust remover withstand the operating temperatures of the exhaust manifolds (stock) on a SB Chevy 327(stock)?

Thanks,

Steve

Hi Steve,

Rust Doctor will convert the rust on the exhaust manifold to a non-rusting black iron oxide that can withstand temperatures much higher than those found on an exhaust manifold. In fact you can weld on the converted rust.

Rust Doctor also leaves a clear primer on the surface that will accept any kind of paint. However, the clear primer will burn off anywhere the temperature is above 300 degrees which is much of the manifold. After the primer burns off, you can paint the manifold with a high temp paint which does not need a primer and can be painted over the converted rust. By the way, exhaust pipes and mufflers do not reach 300 degrees so the black iron oxide will have a slight sheen from the primer left on the surface.

The Rust Doctor Team

This job required a lot of rust removal with Rust Doctor. This was behind the grill on the 1969 Bonneville Pontiac.

Here is an AFTER shot of the rust removal. We could hardly wait to get the grill back on the “Bonne”.

Here is a front shot of the finished grill after all the rust removal and new paint and polished up grill. This shot was taken at the Bonneville Salt Flats by Graham Lewis

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