While looking at whether the 48-51 F-8 and Lincoln used the same basic engine (several places suggest it was the same base engine) I came across this "For Sale: 1949 Ford Big Job Truck Engine. 337 cu. in. Turns freely. Still in truck. 850 lbs. Current price for scrap iron is 6.5 cents/lb. Available at Capitol Scrap in Santa Fe. 575-471-0740." at
http://abqfordflatheadv8.com/for-sal...-october-2012/ Since it was only posted a couple of months ago it might still be available.