Classic cars forum & vehicle restoration.
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Ray White
Joined: 02 Dec 2014
Posts: 7077
Location: Derby
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alastairq
Joined: 14 Oct 2016
Posts: 2117
Location: East Yorkshire
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 Posted: Fri Mar 28, 2025 7:35 pm Post subject: |
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Sounds to me as if some of the splashy noise is down to the microphone, perhaps?
Also, it has twin tailpipes, so there may be splashiness in the exhaust, due to running on enrichment [cold start?}
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Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
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Ford Pop chassis, Ashley 1172 bodyshell, in pieces. |
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Ray White
Joined: 02 Dec 2014
Posts: 7077
Location: Derby
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| Posted: Fri Mar 28, 2025 8:41 pm Post subject: |
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| alastairq wrote: | Sounds to me as if some of the splashy noise is down to the microphone, perhaps?
Also, it has twin tailpipes, so there may be splashiness in the exhaust, due to running on enrichment [cold start?} |
Hello Alastair. I think you may be on to something re the exhausts. Despite being quite a big car, the route for the exhaust pipes is tortuous to say the least and they could well be leaking. They may be rotten; who knows.?
A rich mixture, combined with a misfire could make a noise I would have thought.
On the plus side, the engine appears to have good oil pressure. Then again, oil pressure on a cold engine at tick over is not much of an indicator, is it?
One thing that I have discovered about these engines is that sludge build up can be a problem. If the upper oil galleries are blocked, there would be a lot of valve gear clatter.
One owner wrote how he resolved the noise issue by regularly flushing the oil.
Another thought I have had since posting this is that there may not have had any coolant in the engine. In an under bonnet photo a ruptured heater hose can clearly be seen. Without any water the engine would be noisier, wouldn't it?
I suppose the one thing that would put off potential buyers is broken top piston rings. These engines are notorious for this. Some say it is caused by the chromed cuff liners wearing at a different rate to the rest of the bores; resulting is a slight ridge where they meet. The theory is that the top piston ring catches and breaks. My question is why only the top ring; surely all the rings are at equal risk?
Whatever the theory, I would have thought this would make a noise.?
Then again, there didn't seem to be any smoke coming from the exhausts, did there?
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alastairq
Joined: 14 Oct 2016
Posts: 2117
Location: East Yorkshire
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| Posted: Sat Mar 29, 2025 9:52 am Post subject: |
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I still think a lot of it is down to the quality of the microphone used. Coupled with the building its being flimmed in?
Whilst I do like the 'concept' of the MkVI Bentley as a 'user', the observations around engine issues[and the expense involved in sorting them]....makes me think a half decent scruffy Alvis might be a more useable option?
_________________
Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
----------------------------------------------
Ford Pop chassis, Ashley 1172 bodyshell, in pieces. |
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Ray White
Joined: 02 Dec 2014
Posts: 7077
Location: Derby
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| Posted: Sat Mar 29, 2025 10:04 am Post subject: |
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| alastairq wrote: | I still think a lot of it is down to the quality of the microphone used. Coupled with the building its being flimmed in?
Whilst I do like the 'concept' of the MkVI Bentley as a 'user', the observations around engine issues[and the expense involved in sorting them]....makes me think a half decent scruffy Alvis might be a more useable option? |
You hit the nail on the head. I really need to remember all the good advise that I have been given by MkV1 owners who would have done things differently (and seem to have some regrets.)
Buy one that someone else has spent their pension on. They are out there but good examples are few and far between. Nearly all the ones I have seen advertised have been "got at"... and not very well either. 
The Mathewson's car may well be a low mileage example; the body looks excellent which is important as they tend to rust quite badly.
The downside is that while the interior is reasonable (I would put it at no more than that) mechanically it looks to have been neglected for many years....and that is a worry. |
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Ray White
Joined: 02 Dec 2014
Posts: 7077
Location: Derby
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| Posted: Fri Apr 18, 2025 5:49 pm Post subject: |
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Derek's Mark V1 Bentley was auctioned today...but - with an estimate of ?14 - 18K - it didn't sell.
I am genuinely surprised at how many of these fine (but not oversized) cars come to the market needing work. Some are full of filler (under a hasty paint job); others have reasonable paint and chrome but are let down by the interior. Many have been poorly re upholstered and the wood veneers are often shabby.
Very occasionally, a car will appear that has been cherished by someone with deep pockets. The expenditure likely exceeds the asking price; let alone the eventual sale figure.
These are the ones to which I am attracted.
The reality is that dealers also get involved and that changes the dynamic. |
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Ray White
Joined: 02 Dec 2014
Posts: 7077
Location: Derby
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| Posted: Sat Apr 26, 2025 11:04 pm Post subject: |
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The Mathewson Mk 6 Bentley again failed to attract a buyer. The reserve was 12K. GBP. with and estimate of 14 -18K. (No, I didn't think so either !)
Personally, based on what I think it would need to be made really "nice" again, it would cost so much that they would be lucky to get 10K. |
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Ray White
Joined: 02 Dec 2014
Posts: 7077
Location: Derby
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| Posted: Mon Apr 28, 2025 11:28 pm Post subject: |
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I see Mathewson's have now sold their Mk6 for 12,000 GBP. Someone will have a nice low milage project ...but it won't come cheap.!
Some people have paid upwards of 100,000 GBP to bring their Mk6 Bentley up to concours condition. One in particular Freestone and Webb bodied car I know of (sold by a well known Dealer) had some 250,000 GBP spent on it's restoration over a period of 10 years. Even so, the engine had a clatter that you couldn't ignore.
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