The 4 speed was not available with the Ram option or with A/C. Rear axle ratios may have been an issue. The late Lynn Dunsworth modified his J with a '64 4 speed stick (it fit) and with the 3.23 rear it was nearly impossible to get a smooth clutch engagement with the short rams. I rode with him in the car at our 2015 Macungie meet. The J stick option (a 3 speed) used a 3.91 rear. Maybe it was because of no torque converter with a stick, higher rear end ratio needed for torque multiplication with rams??Carl B.------ Original Message ------From "Nick Taylor" <nicksgaragesd@xxxxxxxxx>To "John Nowosacki" <jsnowosacki@xxxxxxxxx>Cc dplotkin@xxxxxxxxxxxxxxxxxxxxxxxxx; "Chrysler 300 Club International" <chrysler-300-club-international@xxxxxxxxxxxxxxxx>Date 7/1/2025 10:38:37 AMSubject Re: {Chrysler 300} 300K.I thought the 4-speed wasn't available with the ram engine because the clutch linkage didn't fit with the cast iron headers.On Tue, Jul 1, 2025, 7:02 AM John Nowosacki <jsnowosacki@xxxxxxxxx> wrote:While never a big fan of the styling compared to Forward Look years, I think 64 was the only year where it was possible to have a letter car with A/C, short crossrams, and a 4 speed with a convertible top? ( I can't remember if the convertible F Special 4 speed was A/C or not, but it was certainly not readily available like the 300K)