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kinger

VW Enthusiast
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Posts: 2
Reply with quote  #1 

i have here a 74  new rebuild (so i was told ) by all evidence it has been ? solex carb 34pict-3 will not run unless choke is 3/4 way shut  have blown every orafice in the thing out twice now - no vacume leaks,new idle selenoid, i have checked with carb cleaner/brake cleaner/start fluid , checked intake valves / plugs/wires/ adjusted carb up & down , ign timing .points/dwell/gap  but still no help  am a lil stumped . any help would be great before i shell out $$ for new carb . i am a new owner of air cooled but am one hell of a mechanic otherwise from rebuilding harleys to john deere's

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bumblebee73

VW Whiz Kid
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Posts: 438
Reply with quote  #2 
are you sure the carb is adjusted rite, they can be picky,
 set the volume(small) control screw at 2 and 1/2 turns out, the bypass screw (large) at 1 and 1/2 turns out (to get close to a 850 RPM idle). try that let us know


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kinger

VW Enthusiast
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Posts: 2
Reply with quote  #3 

after taking a lil break i decided to get the acytelene side of the torch into play (old trick but dangeruos !! ) drained the carb  and tried to run it on acyt. - the same problem - filled the carb back up ran it at 3/4 choke - snooped around with the torch tip and found a vacume leak on the right side which turned out to be cause .   the manifold was binding under the rubber boot not fitting into the manifold correctly -- hense forth not making a good seal on the head --  i was suprised the carb cleaner trick did not show this . thanks for the help . 

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68autobug

VW Guru
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Posts: 1,907
Reply with quote  #4 
Quote:
Originally Posted by kinger

after taking a lil break i decided to get the acytelene side of the torch into play (old trick but dangeruos !! ) drained the carb  and tried to run it on acyt. - the same problem - filled the carb back up ran it at 3/4 choke - snooped around with the torch tip and found a vacume leak on the right side which turned out to be cause .   the manifold was binding under the rubber boot not fitting into the manifold correctly -- hense forth not making a good seal on the head --  i was suprised the carb cleaner trick did not show this . thanks for the help . 


Glad to see You have found the problem...

Lee



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