I recently acquired a 57 F100Paid way too much for it but that was another one of them ebay burn deals.
anyhow, it is supposed to be a farm find and totally stock, never tampered with and appears to be so but the distributor is 55-56 style and it has a 3 bolt carb instead of the 4. Was this combination carried over to 57 on trucks, later than on cars???
The heads appear to be ECZ-? I cannot make out the last number because the casting is upside down and backwards. The block is a dearborn casting but those letters are backwards also and the intake has a number that does not look familiar to me, I think it has a w in it but my mind could be going, I just wanted to get it loaded and get home so I will get more info when I can.
Has anybody ever came across blocks or heads with the numbers cast upside down and backwards???

55 Vicky & customline
58 Rack Dump, 55 F350 yard truck, 57 F100
59 & 61 P 400's, 58 F100 custom cab, 69 F100, 79 F150, 82 F600 ramp truck, 90 mustang conv 7 up, 94 Mustang, Should I continue?