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C6 Suspension 'Pitching' |
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drummond
 
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   Member No: #238
Location: Aldeburgh |
No, the GS engine was a new design, but the original 2cv engine had some affinity with the flat 6. It was water, rather than air, cooled although they had some which were air. Apparently, the air cooling was too loud...The original cahier des charges for the DS had a genuine 3 abreast in the front, on a bench seat. The traction motor then went in, and hence the ""cutout". Tim |
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Gobxoy
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  Member No: #786
Location: Essex |
Dispite being  Wonder if some bright spark knowing the history ever put a 911 better still 930 flat six and autobox.  Better still RX8 engine and Porsche auto box. small smooth and auto. Day dreaming. 
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drummond
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Member No: #238
Location: Aldeburgh |
There have been 2cv's cut and shut with 1015 GS engines. I've seen them around, but not driven one. The Ami Super, I have driven, in France- quite a car, back in the days. Citroen had the Wankel patent- remember the Birotor? so I think that an RX8 and Porsche box would be a great idea. However, wanted, one DS..... |
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Tjensen
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  Member No: #954
Location: Bergen |
I think the GS engine is inspired by the elegant Panhard constructions (bought by Citroen in early 1960s) with no connection to the flawed DS 6-flat (that also had serious ouput power problems. Anyone with information on the Panhard/GS story ? | ||
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rogerandoutman
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 Member No: #466
Location: London |
Wankel and autobox? NSU had mated a three speed manual via a torque convertor and vacume operated clutch, one of the reasons for the high rate of engine failures i.e the seals wearing on the housing and causing a ripple effect and thereby ruining the commpression, was that owners drove off in third expecting the torque convertor to supply the torque mulitplication to pull awway, but it was the low revs that execerbated the engine wear. The vacume clutch was fine unless when powering through a roundabout and you knee touched the gear lever and you lost drive especially in the wet, the car slid sideways a couple of yards, having done it once, you kept your left knee well away from the gear stick |
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Dapprman
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Member No: #710
Location: Watford |
The RX8 (and other Mazda RX cars) use a Mazda Rotary engine. It is a different design from the Wankel rotary engine, and while it may have been influenced by Wankel's early work, they were also researched separately. The key weakness on the Wankel engines was the bearings as the rotary component moved round a fixed central shaft. Seal failure as a comparatively minor cause of failure - unlike on the Mazda rotary engine where the rotors are fixed to the central shaft, but you get tip failure and seal wear. |
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pclark
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Member No: #3
Location: North Yorkshire |
The prototype flat 6 engines for the DS were made in both air cooled and water cooled forms but the later GS flat 4 was a completely different engine. The flat 6's are in the Conservatoire in Paris. | ||
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drummond
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Member No: #238
Location: Aldeburgh |
Oh, yes, they are, but I could not get them to fire it up when I was there! Madame said that it was too difficult, etc etc. Pity... | ||
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rogerandoutman
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Member No: #466
Location: London |
Sorry to be pedantic, but all rotary engines were based on Felix Wankels concept. From a single totor to triple rotors, as in the MB C111. Mazda cured the tip sealing problem and used ceramics, but still had some problems with the side seals. The rotors orbited within the figure of 8 housing, driving a toothed eccentric shaft which transmitted the power to the flywheel. The rotors were not fixed to this shaft. A vidio from u tube can be found here: - Click Here - | ||
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smihaialex
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  Member No: #1031
Location: Bucharest |
But are there any downsides to updating the engine, gearbox & suspension software?!? Can anything go wrong?!? | ||
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cruiserphil
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  Member No: #38
Location: Celbridge |
Sammy, As previously posted I got the suspension update and never looked back. So I don't think you've anything to worry about. Regards, Phil C. |
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smihaialex
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Member No: #1031
Location: Bucharest |
Thank you @cruiserphil!  I have set an appointment for next Tuesday at my local Citroën Service, will do the updates and never look back Cheerios, Sam |
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smihaialex
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Member No: #1031
Location: Bucharest |
@michaelb: Both the Merak & the Khamsin are on my CarPorn list - I even saw an UK produced Discovery Networks classic car TV show episode dedicated to the Merak where the presenter would argue that it's an immensely overlooked and under-appreciated classic sports car, the upside of this being that it is possible to find a good one at a very decent price (as low as GBP 10K, if I remember correctly)... Yours, Sam |
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smihaialex
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Member No: #1031
Location: Bucharest |
Got the update! Will keep you posted in regards to the ride quality improvements (if any)... Thanks, Sam |
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Pappnase
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Member No: #1044
Location: Bonn |
Sam, if you have any means to detect the version number of your suspension software you might help people (including me) to find out whether they got it already or not. My dealer is no help at all. Not that I'd complain. Since my new spheres were fitted I am reasonably happy as far as ride quality is concerned. The pitching is quite reduced. |
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