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 BMW 2cv engine conversion "2.0" 
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Firing on 1-2 Spark
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Joined: November 8th, 2009, 5:42 pm
Posts: 2847
Location: NL
Post Re: BMW 2cv engine conversion
Today I lined up the gearbox with the engine... I think it will work well..

Also made the definitive outerline of the adaptorplate...

Attachment:
gearbox6.jpg

Attachment:
gearbox7.jpg

Attachment:
gearbox8.jpg


Attachment:
gearbox10.jpg

Attachment:
gearbox12.jpg


Attachment:
gearbox9.jpg


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Russell wrote:
Hi Geo,
you've been one of the sites biggest attractions in recent years.
Russ


October 31st, 2014, 12:08 am
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Firing on two.

Joined: August 19th, 2013, 7:16 pm
Posts: 123
Post Re: BMW 2cv engine conversion
lpgo wrote:
db78 wrote:

Anyone have a loom wiring diagram for the motronic? I need to strip everything unneeded from my loom such as abs, lighting, stand switch and so on as its a full bike loom from an R1100RT ABS.


I can supply you a 1-2-spark (BMW loom diagram) ;) ;) ;) :D :D :D + 2 2cv carbs and your done...



I am half interested in that solution!


October 31st, 2014, 12:15 am
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Firing on two.
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Joined: January 5th, 2009, 5:48 am
Posts: 1687
Location: Haven't a clue
Post Re: BMW 2cv engine conversion
Dan, Haynes has all the wiring diagrams in, if you're really patient I may be able to scan/photograph it for you next week.

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October 31st, 2014, 12:23 am
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Firing on 1-2 Spark
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Joined: November 8th, 2009, 5:42 pm
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Post Re: BMW 2cv engine conversion
ok.... 1/2-spark it will be then :D :D :D

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Russell wrote:
Hi Geo,
you've been one of the sites biggest attractions in recent years.
Russ


October 31st, 2014, 12:25 am
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Firing on two.

Joined: August 19th, 2013, 7:16 pm
Posts: 123
Post Re: BMW 2cv engine conversion
Joolz wrote:
Dan, Haynes has all the wiring diagrams in, if you're really patient I may be able to scan/photograph it for you next week.


I can wait, I am away until Sunday night and got plenty of other jobs to do as want to get not done before the actually engine swap.


October 31st, 2014, 1:00 am
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Firing on 1-2 Spark
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Joined: November 8th, 2009, 5:42 pm
Posts: 2847
Location: NL
Post Re: BMW 2cv engine conversion
It is getting serious over here at the moment....
holes for Beamer engine in adaptorplate ...check
bolts for 2cv gearbox in adaptorplate..... check
beamer engine to adaptorplate.... check
2cv gearbox to adaptorplate.... check

Made some "pastilles" for bolts at beamer and 2cv side to give more flesh to the bone :D :D :D

ok pics of the day..
Attachment:
gearbox14.jpg

Attachment:
gearbox13.jpg

Attachment:
gearbox16.jpg

Attachment:
gearbox15.jpg


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Russell wrote:
Hi Geo,
you've been one of the sites biggest attractions in recent years.
Russ


November 2nd, 2014, 9:51 pm
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Firing on two.
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Joined: November 11th, 2010, 4:19 pm
Posts: 590
Post Re: BMW 2cv engine conversion
'Mazin' stuff Geo! 8-)

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Mike


November 3rd, 2014, 12:20 pm
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Firing on two.

Joined: January 16th, 2010, 5:15 pm
Posts: 212
Post Re: BMW 2cv engine conversion
Eh Geo i do admire your technology!

me i do it a bit differently!

vernier mill machine auto cad etc!!!!!!!!!!!!!
However today i did manage to start on exhaust thinking!
now i have 2 chassis lined up, one original 2cv engine and box and one with ami super box on BMW engine
so now the work starts!

wait 6 months and i let you know the results!

pony

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November 3rd, 2014, 10:54 pm
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Firing on 1-2 Spark
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Joined: November 8th, 2009, 5:42 pm
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Post Re: BMW 2cv engine conversion
Pony wrote:
Eh Geo i do admire your technology!

me i do it a bit differently!

vernier mill machine auto cad etc!!!!!!!!!!!!!
However today i did manage to start on exhaust thinking!
now i have 2 chassis lined up, one original 2cv engine and box and one with ami super box on BMW engine
so now the work starts!

wait 6 months and i let you know the results!

pony



Take a look at the first post I made in this topic, it is a Turbocad drawing (I don't like Autocad) well I'm sticking to that drawing up to now.. All other details I do on the fly....

As you know I do have a milling machine since a few months, but I don't know how to use it right and I don't see the need for it at this moment. I'm sure my gearbox is lined up properly to the engine and that's all which counts for me...

The only thing which is worring me is the steel adaptorplate is still skewing/warping?? (can you believe it 6mm) I guess a 12mm aloy plate would have been a better choise.... but I'm to far in the shit right now... So I make the best out of it....

I still can straiten things if neccecary when welding the seam along the outerline of the adaptorplate...


Another thing I noticed is the cooling down of the carbs by the vapourising petrol when the engine is running so I need to make a
connection from the exhausts to the inletmanifolds, otherwise I think the carb will freeze...
But I have some ideas for that too....

Let me tell you another secret... Take the backmounting of the gearbox. I don't attach it to the middle of the axle (standard 2cv mounting) No I make a beam (L-profile 50x50x3) from left to right and make the attachments near the axle mountings just like the front mounting of a rear-diff of a Mehari 4x4
That way there will be (almost) no stress at the frontaxle and there will be less reaction of torque in the engine/gearbox..

Hope you understand once again what Í/m trying to explain...


Thanks anyway for your interest, I think I will need 2 monts from now to drive away in my beamer 2cv..

As for now ít is going into my '51 2cv (need to check with dutch regulations) but should be possible..

So it will be 500kg/100hp, so to me these are very sporty numbers 8-) 8-) 8-) 8-) 8-) 8-)

cheers Geo..

p.s. please send some pics of your configuration....


p.s. If you want to try your new gearbox feel free, I can guarantee you 100hp on the crankshaft or more (with 'twin-turbo').....

Can't wait to do a dynorun with it.... ;) ;) I made a promise to myself to do that.. I never did with my turbo-2cv (because I don't bother for me it feels like 65hp+ and yes I know what I'm talking about) (I can also verify that because I had more then 1.5 bar of boost which means theoreticly about 75hp)

but this time I want to shut thoose mouths who don't believe....

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Russell wrote:
Hi Geo,
you've been one of the sites biggest attractions in recent years.
Russ


November 4th, 2014, 1:01 am
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Firing on two.

Joined: January 16th, 2010, 5:15 pm
Posts: 212
Post Re: BMW 2cv engine conversion
I like the explanation , all understood
PS when my product is available you can help test if you like!

hope the freezing carb gets sorted out!

pony

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November 4th, 2014, 9:46 pm
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