macd0g Posted April 13, 2012 Share Posted April 13, 2012 so, i have just bought a 32/36 dgav carb, to bolt onto my car, i found a very useful website (3tcgarage.com) where i was able to get the information on the correct jets for the engine. however, the carb i bought turns out to be a double pumper, (which is a good thing as far as i know, as it stops it leaning out when you stomp on the gas). but the jets and emulsion tubes and stuff are all different from the ordinary dgav. is there a mathematic/scientific way of workiung out what the jets on the double pumper should be, if i have the info for a single pump?, or is it trial and error? yes, you would think that it would be just as easy to ask this in the 3tcgarage forum, and you'd be right, except i cant sign up as a member for some reason Quote Link to comment Share on other sites More sharing options...
fulloc Posted April 14, 2012 Share Posted April 14, 2012 if you are in auck look up murray at weber specs in silverdale. the undisputed god of carbs and a GC as well, usually happy to give advise Quote Link to comment Share on other sites More sharing options...
keltik Posted April 15, 2012 Share Posted April 15, 2012 As above. All of the DGAV carbs i had were the same, maybe yours is an earlier design or a DGV or DFV? Quote Link to comment Share on other sites More sharing options...
Taistorm Posted April 15, 2012 Share Posted April 15, 2012 +1 for Murray. He even worked for Weber in Bologna for a while. Quote Link to comment Share on other sites More sharing options...
dominic Posted April 16, 2012 Share Posted April 16, 2012 Are you sure its a second pump, would have thought it was more likely to be an antistall diaphram, as used on some cars with autos Quote Link to comment Share on other sites More sharing options...
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