On the Inside – Inspecting and Repairing the Corroded Sill of the 1970 Bristol 411

Picture of By Craig Ranson
By Craig Ranson

Managing Director – Bridge Classic Cars

The restoration workshop at Bridge Classic Cars has been working on inspecting, preparing and repairing some corrosion to the inner sill of the 1970 Bristol 411.

Our technician Paul, who has been working on the project, discovered the areas after completing the inspecting and preparation of the (now) driver’s side sill and moving onto the (now) passenger side.

After carefully the outer skin of the sills to inspect what was behind, Paul noticed they have become quite heavily corroded in places. So, the team have decided to repair these areas with new hand-fabricated pieces for the classic Bristol. This process also involves cleaning out the sill area and preparing it for welding. Whilst doing that, the team discovered what appeared to be a large piece of mastic/sealant. This was completely removed and the area it was inspected.

The new pieces will be made specifically for that section of the car and welded in.

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