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Brsitol 406: Advance spring LUCAS DX6A distributor

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

Brsitol 406: Advance spring LUCAS DX6A distributor

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#6 (permalink)

02-01-25, 12:35 PM

JoeF

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Join Date: Jun 2021

Posts: 31

I can also recommend https://www.distributordoctor.com/

A pair of springs is £ 21.60 including UK postage.

They use the distributor part number, so 40489A should be enough info.
(The actual Lucas spring set part number is 423347. ECM curve number 617.)

Attached is an old picture showing examples of the advance curves.

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Advance curves 100A 100B etc.jpg (117.4 KB, 5 views)

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