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RROCA Web Site Administrator
Moderator
Username: admin

Post Number: 18
Registered: 10-2002
Posted on Monday, 05 July, 2004 - 21:48:   Edit PostDelete PostView Post/Check IP
Specific to late MD-series MK VI cars, this list was written as an A4 window poster for display days.

application/msword1951 MkVI Technical Specifications
1951 bentley mk vi technical specifications.doc (26.6 k)
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Nick Joubert
New User
Username: nickjag

Post Number: 5
Registered: 02-2020
Posted on Friday, 30 May, 2025 - 20:31:   Edit PostDelete PostView Post/Check IP
I am having dificulty finding conrod bearings for a 1947 Bentley 4.25 engine. I need 040" bearings. they are NLA at at all the suppliers. I can't get anyone to weld up the crank. Would anyone on the forum have any idea's where i could try?The chassiss number is B171BG.
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Martin Webster
Experienced User
Username: martin_webster

Post Number: 64
Registered: 09-2018
Posted on Saturday, 31 May, 2025 - 01:17:   Edit PostDelete PostView Post/Check IP
You could try Replacement Parts in the USA, they have that size in stock.

https://replacementpartsinc.com/
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Jeff Martin
Frequent User
Username: jeff_r_1

Post Number: 731
Registered: 07-2018
Posted on Saturday, 31 May, 2025 - 03:48:   Edit PostDelete PostView Post/Check IP
If your crank is in such bad shape that you need .040 thou over, you may want to find a better crank.
If the damper was so sludged up where it wasn't working, that can bend the crank, so it may have fractures in it. Over heating can ruin a ruin a crank beyond practical repair.
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ChristopherCarnley
Unregistered guest
Posted From: 213.120.25.81
Posted on Saturday, 31 May, 2025 - 02:35:   Edit PostDelete PostView Post/Check IP
Martin,

If you have look, they are the main bearings.

So listed by Introcar O/S.

Nick need a replacement crankshaft.

(Message approved by david_gore)
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Nick Joubert
New User
Username: nickjag

Post Number: 6
Registered: 02-2020
Posted on Sunday, 01 June, 2025 - 00:05:   Edit PostDelete PostView Post/Check IP
The main bearings are available ,but 040" bigends are hens teeth, unfortunatly.

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