Garrett, Carbs are: 57 front WCFB 2631S 57 rear WCFB 2632S 58 318 front WCFB 2631S or (AFB?) 2761S 58 318 rear WCFB 2632S or (AFB?) 2762S In 58, AFBs started to replace the WCFBs. The parts book doesn't say if the late 58s are AFB or not. I read someplace the single 4 bbl 56 WCFBs on Dodges were 320 cfm and were 340 cfm in 57. I would guess that this is about the same for each carb of a 2x4 set. A single 340 - 360 cfm should be adequate for an unmodified 318. But 2x4s look so much better! In 56, Mopar 2x4 linkages were synchronous. In 57, they were progressive. I have the 57 Fury carbs on my Dodge and they are so smooth, you do not feel the transition from one to two. Dave Homstad 56 Dodge D500 -----Original Message----- From: Forward Look Mopar Discussion List [mailto:L-FORWARDLOOK@xxxxxxxxxxxxx]On Behalf Of Garrett Sent: Saturday, April 24, 2004 10:15 PM To: L-FORWARDLOOK@xxxxxxxxxxxxx Subject: [FWDLK] 2x4 question.... Hello all, My question is, why are 2x4s actually more like 1.5x3.5s? Ok, that's not really my question...here's the real one: Unless I'm horribly mistaken, there was a Dual quad set-up for 57/58 318 Furys... Just curious if anyone can tell me which carbs were put on the 57/58 Fury 318 dual quad set-ups and more specifically, their flow rate (cfm)...either total or for each carb. Thanks, Garrett
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