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6 cyl Bristol cars Type 400 to 406 - restoration, repair, maintenance etc

Preparing my 403 Engine Bay.....Help Required

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Old 01-05-26, 09:10 PM
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Default Preparing my 403 Engine Bay.....Help Required

Hi
Whilst my engine is away been reassembled, I want to prepare the engine bay. What is the original colour of the engine panels, was it Matt, Gloss?
What others areas should I attend to while the area is empty? I would be interested in detailed pictures if anyone has any from restoration projects.
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Old 02-05-26, 01:31 PM
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The engine bay would originally have been light grey.
I understand from Google that it would have been Speedcote 2 French Grey (BS 3630).

Apparently following aircraft standards a quality enamel finish was the order of the day.!

I believe the engine block would have been the same colour and finish.

You ask what other areas need attention? I would take the opportunity to inject wax oil into any cavities. Rust is probably the biggest enemy of these cars; mechanical issues are generally easier to deal with but welding is often done quite badly because of limited access.

Last edited by Raymond; 02-05-26 at 02:34 PM.
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Old 03-05-26, 03:39 PM
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I think my 403 still has original engine bay paint that is matte black. The engine block would have been a light green.

While the engine is out it would be a bit easier to get at the steering column to replace the rubber bulkhead boot if it hasn't already been changed. I think I bought one from BODA.
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Old 03-05-26, 04:20 PM
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I agree with David, I have owned two 403's and five 401's in the past, still have two of the latter and in all the engine bay finish was matte black.
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Old 03-05-26, 09:18 PM
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Hi
Thanks for the replies, was the chassis painted black gloss / Matt, and the steering shaft was this also black.
Front suspension was this just unpainted and left as manufactured?
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Old 11-05-26, 07:30 AM
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My 403 engine compartment was a dull black. Someone told me that it was satin black rather than matte black, so that's what I used for my rebuild.
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Old 12-05-26, 11:23 AM
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Hi
It seems the general opinion regarding the colour of the engine bay panels is SATIN BLACK.
Although I have seen other personal options for example Gloss Black, and also the same colour of the outer panels. I think i will go with Satin Black.....👍
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