-----Original Message----- From: jlsavard@xxxx [mailto:jlsavard@xxxx] Sent: Tuesday, January 28, 2003 9:25 PM Subject: Re: [Chrysler300] Carter WCFB In the mid 1970s I got a 383 carb from a boneyard and put it on my 440 engine. It looked identical, but the engine ran real rough until I switched the metering rods and seats. Then it ran perfect for as long as I had the car. Simple little variations like that can create a different model number. Different transmissions, auto v. standard shift, usually result in different carb numbers. Again, minor internal differences or differences in adjustments of the choke, pull-offs, etc. Jim In a message dated 1/28/03 1:34:59 PM Eastern Standard Time, hpgraham@xxxx writes: > Carter lists hundreds of numbers for the WCFB and I find > it hard to believe that they are all different. Any information would be