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40 Dcoe Tuning Bits

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We discussed above that my documentation on my Webers is out of date.  Today I opened one to document and have this info so far.  I thought I had 36mm chokes but turns out they're only 33's.  Guess I'll open that up before I go to 45's...


Aux venturi    4.5

Choke            33

idle jet            50F8

Air Corrector  180

Emulsion Tube   F16

Main Jet            140

Pump jet 40

Pump return closed

Medium pump spring


Be very interested to hear how that compares to other big cam engines...

Edited by GT6Steve
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