This letter was obtained from an original owner who wrote Ford back in 1971 and asked them to provide him with any engine specifications / information on the BOSS 351.
Fords John Vermeersch, who was Product Specialist at the time responded with this letter and document dated July 22, 1971, highlighting specifications of the BOSS 351 engine.
Please click on each one to enlarge.
Letter 1 Letter 2 Letter 3
Rewrite of page 3 above
Note: Blueprinting specifications are a guide in preparing an engine for competition. These specs dont necessarily agree with service or original production specs.