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 Yet another red spesh... 
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Firing on two.
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Post Re: Yet another red spesh...
Russell wrote:
Anybody got any idea of things I can do to this car? I'm low on enthusiasm and very low on inspiration at the moment.


Turbo charge it


November 13th, 2010, 2:33 am
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Post Re: Yet another red spesh...
OK. Interesting. I know the basic principles of it, but on a practical level, what's involved for simplicity and ease of manufacture?

I can't do electrics, so making fuel injection is going to seem tricky for me, unless I can make if from scrapyard parts. I'm assuming the easiest and cheapest way to get a turnbo is from a small diesel hatchback thing in a scrappy?

If somebody can talk me through what needs making/modifying I'm game for that. I'd be keen to see how much power is possible for a budget of sod all ande scrapyard reclaimed bits where I can.

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November 13th, 2010, 2:53 am
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Post Re: Yet another red spesh...
Car did one years ago. That was a pretty simple setup running a 1.5" SU. It ought to be easier now, lots of little turbos around. There is a good description of the one the built in the 80s. I've always fancied the idea of something similar.

http://www.2cv-il.org/english/Article2cvTurbo.html


November 13th, 2010, 2:57 am
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Post Re: Yet another red spesh...
Now this is something that can't be covered in a single post, but here a brief over view.

The simplest type of turbo system is the 'suck through', I think that's what the 'Car' project used. The turbo goes between the carburetor and the engine, hence is 'sucking through' the carb. Very simple, make the manifolds, oil supply to and from the turbo, rejetted carb of your choice.
Downside is it won't make big power, problem is the turbo heats the mixture, both through compressing it and by conduction from the exhaust gas. And gas expands when it gets hot, which is a problem when you're trying to fit as much into the cylinder as possible. Using an intercooler isn't possible because the fuel would drop out of the mixture.

Slightly more complicated is the 'Blow through' set up, the turbo is mounted between the air filter and carb and blows through the carb. Benefit is that an intercooler can be fitted between the turbo and carb to cool the air. Down side is that the carb will be pressurised, some older systems put the entire carb in a pressurised box, newer systems used a sealed carb. Bearing in mind that anywhere the carb vents to atmosphere will need pressurising, some are more suitable than others. The fuel supply will also need pressurising, with a pressure regulator linked to manifold pressure. Not that difficult but more work.

Fuel injection could be added to the second option if you really want to look clever, see lpgo's topic viewtopic.php?f=7&t=1100&hilit=turbo

My personal preference at the moment would be for supercharging with a suck through set up, similar to the turbo system but with some benefits. The exhaust gas isn't heating the inlet mixture, the main flaw of suck through, and there's no need to modify the exhaust system. It would be necessary to fabricate a drive system from the crankshaft, but that's not so difficult.

The easiest secondhand supercharger to find in the UK is the Eaton M45 from the BMW Mini cooper s, it makes 170 odd bhp on the mini so I would expect it's too big for the 2cv, although Jonspeed do a kit to fit it to the old mini 1000 so I could be proved wrong.
The most suitable unit I've found so far would be an Aisin AMR 300, rare in britain, found on japanese domestic market subaru vivios 660cc. They crop up quite often on aussi ebay, isn't Harley doing something with a supercharger, is it one of these? Harley, confirm or deny?

To keep it simple I'd fabricate an adaptor to mount one directly on top of the standard manifold and mount a carb on top of it. Attach another pulley to the back of the fan and cut a hole in the top of the shroud for a drive belt, Play with the pulley sizes to get a sensible boost, retard the ignition 1 degree for every psi, and then rejet the carb.

Now I really must go to bed!

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November 13th, 2010, 4:36 am
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Post Re: Yet another red spesh...
Russell wrote:
Decided to do away with the rear roll cage. The drivers seat has collapsed and the passenger seat is shit so I need to sort out something to replace them with. I had a few plans to make it a bit less ordinary over the winter but money and enthusiasm are against me.

A few observations. The Yokohama tyres haven't worn out yet which suprised me. I've driven it like a nobhead since whenever it was I finished it. I really want to give it a bit more camber but I don't have any spare arms and the weather is rubbish so it's hard to get round to doing that too. One thing it needs is a good wash and polish...


Just a thought ... I have a good (but slightly scruffy) driver's seat and a pair of front arms in the shed. I could do with the space. Any good to you? The arms owe me £50 cos that's what I gave Spanners for them, but I don't want anything for the seat.
I've got a bonnet you can have for nowt too, but it's not red.

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November 13th, 2010, 9:06 am
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Post Re: Yet another red spesh...
Russell wrote:
Anybody got any idea of things I can do to this car? I'm low on enthusiasm and very low on inspiration at the moment.


Bike engine, aprilia or something so its rapid 8-)


November 13th, 2010, 9:58 am
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Post Re: Yet another red spesh...
Russell wrote:
Anybody got any idea of things I can do to this car? I'm low on enthusiasm and very low on inspiration at the moment.


Throw the windscreen and front doors in a skip and chop the wings about with an angle grinder. Always works for me. :)

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November 13th, 2010, 9:59 am
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Post Re: Yet another red spesh...
Rhythm Thief wrote:
Russell wrote:
Anybody got any idea of things I can do to this car? I'm low on enthusiasm and very low on inspiration at the moment.


Throw the windscreen and front doors in a skip and chop the wings about with an angle grinder. Always works for me. :)


dont forget ya driving goggles

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1988 2cv 652cc
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November 13th, 2010, 11:42 am
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Post Re: Yet another red spesh...
plenty you can do with a 602... I like the idea of supercharging,
Pete Sparrow has done both 2 and 4 cylinder SC work but I would expect he would tell you to fit a bike engine.

anyway.... plenty of pulleys, belts etc on EBAY

http://cgi.ebay.co.uk/CLASSIC-MINI-SUPE ... 230b9bdb47

http://cgi.ebay.co.uk/M45-Mini-Supercha ... 4cf31a27d8

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1299cc FTW


November 14th, 2010, 6:11 pm
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Post Re: Yet another red spesh...
I have another idea, take a dyane 4 engine (435cc) and turbo/compressor that,

the 435cc engine is a revver??!!@?? ( it can make really high revs) so it is
perfect for turbo-ing.

specs:

435cc engine
ami 8/dyane 6 long gearbox
smart turbo or even smaller (on ebay there are little turbo's)
megasquirt (it is not as hard as you think to make it running)
add a bigger oilcooler
deawoo/chevrolet Matiz throttlebody


I guess it would give you 50/55hp at 7500 rpm. (and lots of fun)

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Hi Geo,
you've been one of the sites biggest attractions in recent years.
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November 15th, 2010, 1:28 pm
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