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 2cv6 single carb 
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Firing on two.
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Joined: October 22nd, 2014, 10:59 pm
Posts: 1994
Location: South-Limburg
Post 2cv6 single carb
I have a single carb 34 PICS 6 on my 83 since a few years. It runs very well onl there is a little "gap" between idle and full throttle. By coincidence i found a history about someone mixing a 2cv4 engine with 2cv 6 cylinders and heads. He had put a bigger pick-up jet in. As i couldn't find one i did buy a set of jet drills and got to make one my self. I did a very short testdrive there was still a slight gap but the car accellerates like hell.... :shock:
See how it turns out. Maybe i have to adjust the injection pump a little.


June 20th, 2021, 10:18 pm
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Firing on two.
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Joined: February 22nd, 2012, 10:34 am
Posts: 412
Location: Greece
Post Re: 2cv6 single carb
The "gap" between idle and full throttle coinsides with the working travel of the pedal. :roll:

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June 21st, 2021, 7:58 pm
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Firing on two.
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Joined: October 22nd, 2014, 10:59 pm
Posts: 1994
Location: South-Limburg
Post Re: 2cv6 single carb
Yes but this carb has 2 jets one is to bridge that gap. But the petrol has changed with the E10 mix so it needs a bit more. I had a longer drive today, after warming it ran very well. Uphill it keeps pulling.


June 21st, 2021, 9:19 pm
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Joined: March 21st, 2013, 12:04 am
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Location: Exeter, Devon
Post Re: 2cv6 single carb
Are you saying you have a flat spot, like, a hesitation?

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If you can't fix it with a hammer, it's probably electrical (or, an electric fuel pump!) ....


June 21st, 2021, 9:44 pm
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Firing on two.
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Joined: October 22nd, 2014, 10:59 pm
Posts: 1994
Location: South-Limburg
Post Re: 2cv6 single carb
Yes like that, i still have to adjust the accellration pump. I read somewere they put a drill bit between the throttle flap to find the exact point were the pump should start injecting fuel.


June 22nd, 2021, 4:20 pm
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Firing on two.
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Joined: March 21st, 2013, 12:04 am
Posts: 1577
Location: Exeter, Devon
Post Re: 2cv6 single carb
If you look down the carb bore, and pump the throttle, does it squirt fuel? does the pump actually work is the first test. :)

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If you can't fix it with a hammer, it's probably electrical (or, an electric fuel pump!) ....


June 22nd, 2021, 7:50 pm
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Firing on two.
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Joined: October 22nd, 2014, 10:59 pm
Posts: 1994
Location: South-Limburg
Post Re: 2cv6 single carb
I adjusted the pump lever a bit. It is now almost ok but i think the 0.65 jet is a but to much i will test a 0.55 one.


July 18th, 2021, 3:49 pm
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