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After months of work on the engine, we installed it again and finally could start it for the first time. HAppy as we were, all went well with no leaks and the engine seemed to run very smoothly. Valves were properly set, as well as the 123 Ignition.

Specs:
an original 602 engine block, a race ground cam shaft from Kent Cams, 9.0:1 pistons and barrels and original cilinder heads. Original flywheel with new flywheel bolts, brand new clutch.

We let the engine run approx. 2000-2500 rpm for about 20 minutes and it never gave any strange sounds and did not hold in.  We dropped it to stationary and it purred like a kitten. Then we turned it off and started again a few times (started immediately every time).
And now, the engine makes a knocking or rambling sound which requency increases with the revs.
I've checked the valve clearances again and re-set them with a barely warm engine. After this, the sound had not gotten less, i would even say it got louder.

I made some video's and i would very much appreciate if you guys could tell me what you think this is!

Video 1: Engine first start (mind that the exhaust is a leaky)
http://www.youtube.com/watch?v=Wv7nUfLmy6k

Video 2: Running in at 2000-2500 rpm and going stationary
http://www.youtube.com/watch?v=NaU7wKVMG8I

Video 3: Starting engine and knocking sound in the engine at stationary
http://www.youtube.com/watch?v=Tq7tw-eJxfY


Thanks!

As Trevor mentioned in another topic, there should be some people on this forum that experimented with installing a twin carb setup in a 2cv.
I am very eager to learn more about the installation and technical aspects of this setup. Can anyone provide some more info or perhaps a forum topic/website where such a setup is explained?

Thanks!

I am currently assembling my stock 602 engine with:

9.0:1 barrels and pistons (Perfect Circle)
a freshly ground cam shaft from Kent Cams (not exactly like the club cam, but a nice fast road profile)
cleaned up valves
thoroughly cleaned engine block
All new seals allround

Could you give me a few pointers for breaking in this new slightly modified engine? It will be driven on the road, not on the track. So i do need to keep it going for a longer period :)

Cheers!

Hi all,

first of all my apologies that my first post on this great site has to be one in the Wanted category. I do really intend to spend more time here once i get my project going (which is a road going 2cv with some engine beef-ups).

For my project, i am looking to get some nice 9.0:1 barrels and pistons. I believe these are Dyane parts? And secondly, i am looking for a racing cam shaft. Now i was informed that Kent Cams were the best ones to use. I am aware of the club membership that will give me the option to buy a club cam shaft, but i am not planning on going to the track anytime soon...

If you got anything i need, or know where i could best get it, please let me know. 

Thanks!