I don't believe so, but I will double check. Are you referring to the slack between the linkage from the front to rear carburetor, or in the throttle cable to carburetor?
1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip,
(JA5) Silver Frost Metallic
1973 Challenger Rallye 340
1985 W150 Power Ram prospector
1986 Camaro IROC-Z 305 tpi