Thanks for the welcome guys! 72 demon 318/904 soon to be 360/727 73 duster 340/727 and 73 duster..318 904... questions on my demon..318 to 360 swap ,what changes do I need to make to the mounts, currently sandwich style... second 904 to 727 swap will my trans crosssmember change,and lastly drive shaft how long should it be ...to 904/ 7.25 to 727 /8.75 swap....would do the measuring but can't afford any down time..it's my daily driver. Thanks a bunch..