63 dart valiant guys- help please

I have learned the engine mounts ( rubber isuloators) are the same 63-6. yes I have early pan, 65 ebgine. also learned the throttle rod for 63 is different part no than the 64-5. apppearantly the 63 slant will sit closer to firewall than 64-5 dart.
waiting on measurement of 63 throttle rod on parts car.
Oh the thrill of piecing these old cars together!!??? LOL