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Jetting for single weber 40DCOM on L20B |
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Not too shy to talk  
Joined:
2012/12/16 2:15
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Hi, can anyone tell me what jetting I need to run on a standard L20B with a side draught 40DCOM Weber. On initial setup it had a very bad dead spot and I changed the Idle Jet and float level and it appears to have fixed it but now it runs rough in midrange, on or just above idle runs smooth and as you go into midrange it runs rough until you get the revs up high and it runs smooth again. I tried adjusting timing and it made no difference, this rough patch is very noticeable whether it's under load or not. my setup at the moment is Throat size 30mm, Main Jet 120, Emulsion Tube F47, Air Jet 59F21 and Pump Jet 35. Don't know much about Webers so if someone can point me in the right direction that would be great.
cheers,
Shane
Posted on: 2013/8/17 3:00
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