Click on "Click here" to expand the drawing. The centerline is shown for the engine and the crossmember.
Your 51 crossmember (rear engine mounts) will be riveted to the frame. My thought is not to remove or cut the crossmember but it's your truck to do want you want.
I match the bell housing to the year frame so I can use stock mount parts. Picture top is 54-62, bottom 48-53. Find a junk yard or post in parts wanted.
Beginning 1963, the next generation (194, 230, 250 etc.) engines have bell housings that do not bolt up to the older engines.
"Adding CFM to a truck will only help at engine speeds you don't want to use." "I found there was nothing to gain beyond 400 CFM."
