View single post by Esprit2
 Posted: 02-11-2020 05:56 am
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Esprit2

 

Joined: 05-01-2005
Location: Minneapolis, Minnesota USA
Posts: 497
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discogodfather wrote:
Powerspark, the UK company I contacted, has a version of the 43D (Snip)...
It seems to have the o-ring on the shaft.

They all have an O-ring around the shaft housing... on the outside, where it slips into the oil pump housing. It's the Lotus-only internal lip-seal that is missing. It should be inside the housing.

If you were to remove everything from inside the 'head' of the housing, you would see a small lip seal around the hole in the floor where the shaft would pass through. In all other Lucas distributors and clones, there would be no seal, just an open gap between the shaft OD and housing ID. That's a path for oil to flow from the engine into the distributor's head, and from there to leak out onto the side of the engine block.

Regards,
Tim Engel