That's when I tried finding TDC, in which I now have backfiring from the carb. I had it running a bit rough without most of the emission lines hooked up, but once I got everything plugged in (as shown in the attached diagram) it seemed to only run for a few seconds before dying. I ended up seeing quite a few posts that suggested upgrading to the Weber 32/36, so after cleaning up the BBD and failing emissions I decided to just grab the Weber. Weber 32 tlf diagram upgrade#The previous owner had done an HEI upgrade and I believe a nutter bypass, but it was idling very rough with the Carter BBD. I was hoping someone would be able to recognize and point out the errors of my ways.Īs some background, it is an 86 CJ7 that I bought a few months ago as a project jeep to work on with my 13 yr old son (something we can both learn and then he can take it over at 16). I have tried following the below post (along with a few other similar ones), as well as the below diagram links, but I can't figure out a few lines (particularly the ones in green on the attached diagram). As a resident of CA, I really need these vacuum lines working properly for my registration. I have found so much great info on this site, but one common thread is how quick everyone seems to be to dump their emission vacuum lines. The DGV and DFV can't even use the same air filters.First time post and first time Jeep owner. Instead, they used an entirely different top plate. Weber could have simply moved the fuel inlet fitting, accelerator pump, and linkage to the other side. * Even better, the DGV body and top plate castings are symmetrical. The E has largely been dropped but the trapezoid remains.ģ-throat downdraft specifically for Porsche flat-6 (why call out the same throttle size twice?)Ĥ0 DCOE, 45 DCOE, 48 DCO, 50 DCO, 55 DCOEĭual-throat sidedraft. (standard for Formula Ford 1600, Formula Ford 2000, and Sports 2000)Īutomatic choke (A = Aqua water-operated)Īutomatic choke (E = Electrically-operated) Suffixes in parentheses are not critical and only indicate minor tweaks. Here are a few of the Weber carburetor models we deal with most frequently. 46 IDA is a 2-barrel downdraft carburetor, but add a "3" suffix (46 IDA 3) and you're looking at a 3-barrel downdraft carburetor which not only has an entirely different body, it even uses different jets! One notable exception to the suffix rule is the IDA family. The difference in this case is in the factory jetting.) (The Alfa Romeo Sprint Veloce came with a pair of "40 DCOE 2" model carburetors, but the Spider Veloce had two "40 DCOE 32" model carbs. The factory jetting may be different, or a linkage might be swapped from one side to the other. This usually indicates a "variant", generally a carburetor that was set up for a specific application. Optional suffixes take the form of numbers or numbers and letters. The good news is that it doesn't really matter what the letters mean because the unique combination of numbers and letters will positively identify what the carburetor is. And just to be quaint, they never published a decoder table. Worse, Weber sometimes used the same one-letter abbreviation for two different words. Each letter is a one-letter abbreviation for a word, but the words are all Italian. Weber 32 tlf diagram code#The main part of the model number is a 3 or 4 letter code that indicates the carburetor design. (If the prefix is a pair of 2-digit numbers separated by a slash, the first number refers to the primary throttle and the second number to the secondary.) This number alone will not tell us which carburetor you have. The model number prefix is a 2-digit number that refers to the diameter of the throttle plate(s) in millimeters.
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