On mine there are a series of notches cut into the edge of the main pulley nearest to the engine block. The notches are not deep and can be filled by dirt and paint and so can be hard to see.
Cylinder Head Bolts: 65-70
65 h.p. Nope! 1957 312 cid thunderbird y block with three two barrel holley carbs
312 into a fraction = 312/1
312.
312 mm is equal to .312 meters.
312
312
1,2,3,4,6,8,12,13,24,26,39,52,78,104,156,and 312.
312% of 213= 312% * 213= 3.12 * 213= 664.56
312 12*26 = 312 13*24 = 312
It depends on what version you have, but the one I have has 312 pages.
312/2 = 156 so 156 x 2 = 312 Simple...