Their thickness is needed for insulating the carb base from the heat of the exhaust manifold. The metal "V" helps with atomization of the fuel mixture in cold weather. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
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