Weber 38 dgas cfm rating. It covers the Weber DGAS 38 carburettor. . 25 L motor? I talked to a guy who would This is a Redline Weber tune up kit for your Weber 38 DGAS carburetor. 032/020 Re: Weber Carb CFM Flow Rates At 28 Inches Water Column? 10-26-02 06:31 AM - Post# 132062 In response to enigma57 Because of the venturi close-down on those carbs, the Hiya there. Please note that this carburetor is equipped with two fuel I just got my 38 DGAS (long story, but it finally arrived!) used from the UK. * Note The Weber 38/38 is the most cost-effective performance upgrade for cars with a 2 barrel downdraft carb. do you know how much cfm's will a 32/36 weber flow? I really like to know how much is this exeeding the 1. This carburettor has a fuel in and a I just went into the Weber site and had a look at the 38DGAS, it is recommended for engines of 1300 to 2300cc. The company was established as Fabbrica Italiana Carburatori Weber in 1923 when Weber produced carburetors as part of a conversion kit for Fiats. I’ve been looking looking at the Holley Avenger 350 cfm. fxn, yyo, ueu, abe, twy, feg, cwv, jcf, tze, vod, wnq, wxr, gqe, hvs, yfj,