Hello, do you have the flex plate for the 5.3 or are using the same one out of the truck ? some are not compatable do to balance difference, so please check first . to save time and a redo!! like a 400 and a 350 eng are not compatable...
89 suburban
Here is my 89 chev suburban -350 ci ,6"lift,4.10s,lockers f/r ,35"tires,
8000lb warn winch,a snorkel off an 80serys land cruiser wagon ,home
built roof rack & rear bumper tire carer