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| 6 cyl Bristol cars Type 400 to 406 - restoration, repair, maintenance etc |
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12-11-21, 12:58 AM
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Hesketh. If I might just add to what Geoff has said about cracked blocks. You might find someone who thinks their engine is good only for spares but I have had impressive results with cast iron stitching. I went to Stitchweld in Burton On Trent with a 1926 Dodge Brothers side valve block. They not only stitched up the water jacket (easy) but also managed to stitch across a cracked valve seat and machined it back to as good as new.
The cost was very reasonable and the repair was a long term success. If you are pushed for cash you could always repair a simple frost crack with Belzona. It's amazing stuff! Don't forget, however, that where ever you can see a crack in cast iron there WILL be another crack or two probably hidden and running above and below (parallel) to it . 
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15-11-21, 09:29 PM
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Geoff,
you mean any 2L Bristol engine ? or any 2L of similar age in other British cars ? i would be interested in one of your engines if i haven't found one by the time you have sold your Bristols, could i put an auto gear box on these type engines ? Only reason I ask is that I want my father to drive this Bristol and he finds auto gboxs a hell of alot easier ! Raymond, Thanks so much for the company i have added them to my favourites as they may come extremely useful ! Your so right, there will always be one or 2 more hiding around the corner ! Best H
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15-11-21, 10:10 PM
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BMW 6 cylinder engine from the 1970s Twin carb. 2.8 litres
One on Ebay that may be recoverable for about £500. Item 265406626599 These were canted over in the BMW but should work upright with a re-worked sump and oil pump pickup. I imagine there was an auto 'box for them.
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15-11-21, 11:25 PM
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Hesketh,
I do mean any 2 Litre Bristol engine and the 2.2 litre 406 unit, the changes in mountings on the engines and gearbox ( both Bristol ) came about when the overdrive units were introduce so if you want to fit a 406 engine and overdrive gearbox into say a 401 then the crossmember behind the gearbox has to be modified. If you want to fit a later overdrive conversion using a smaller overdrive it does not. To date no one that I am aware of has succeeded in fitting an automatic gearbox to a Bristol 2 litre engine and indeed after Toby Silverton lost control of Bristol Cars the new owners found themselves at the wrong end of a very expensive legal action when they said they could but failed to deliver such a beast. I don't recall any discussions on this but I wonder if any BMW 328's have ever been fitted with pre selector gearboxes if they have and you can find a gearbox it may be possible to fit such a unit to a Bristol plus assisted operation of the clutch, you could well be entering uncharted territory but it may be fun! Geoff.
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16-11-21, 08:18 PM
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David C,
I wouldn't mind that BMW E9 engine in the 405 ! Sounds very interesting fitting that in the 405, but i'm just worried about fitment in the engine bay ? It may be a little to large i am thinking ? Geoff Kingston, Okay ill scrap the auto box on this one ! He can drive the others lol ! The thing is finding the 2L Bristol engine is quite hard and if i do see one they are very expensive ! Ive seen this 405 with a 2.5L Triumph TR6 TC engine and O/ drive gearbox And it looks like it's a good fitment for the engine bay. https://www.carandclassic.co.uk/car/C1373039 I may look for one of these and stick it in the 405 for now until I find a 2L engine thats in my price range. Best, H
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19-11-21, 08:18 PM
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evening all,
how hard would it be to install a 2.5L Triumph TR6 TC engine and O/ drive gearbox for now until i get a Bristol engine ? like this 405 ? https://www.carandclassic.co.uk/car/C1373039 thanks H
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19-11-21, 08:48 PM
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It all depends on what you consider to be "difficult". It has been done before (as you know) so could be done again. I would expect there will be a certain amount of "fettling". Whether this involves welding in new engine mountings or not I don't know but you would probably need a different length prop shaft.
All I can say is that - unlike with the XK engine - there shouldn't need to be that much in the way of surgery. One thing...stick with the TC option. The last thing you want is a 2.5pi with it's associated problems.
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| Tags |
| 1956, 405 |
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