My 351C 4V has a "square" block and the head is stamped "4 dot". What is the difference between the "4" stamp and "4 dot"? Also the "D" block vs. "square" block.
mike
351C 4V engine markings
Mar 11, 2008
3 Replies
The 4 dots indicate the more robust 4 bolt main shaft in the Cleveland engine, I do believe...From a conversation I heard in a shop once, so I may be mistaken.
Actually, I thought I was mistaken once, but I was in error...lol
All Clevelands were set up for four bolt mains although the majority were not drilled and tapped. Heard that somewhere. It really does not matter unless I do something crazy like put on a charger or blower :) Already talking about installing a ram air since the hood appears to be ready for it, just cut a hole.
Join the Discussion
Have something to add? Share your thoughts — no account required.
Didn't find your answer?
Ask the community — no account required