Y-Block Dimensions and weights
ford-y-block.comBore & Stroke rod length R:S ratio pin diam pin wt piston wt. rod wt. comp. ht.
239 cu.in. 3.50X 3.10" EBU 6.324" 2.038:1 .9122" gr 24.06oz 680gr 1.858"
256 cu.in 3.62X 3.10" EBU 6.324" 2.038:1 .9122" gr 24.06oz 680gr 1.858"
272 cu.in. 3.62X 3.30" EBU 6.324" 1.915:1 .9122" 161gr 531gr 680gr 1.768"
292 cu.in 3.75X 3.30" EBU 6.324" 1.915:1 .9122" 143gr 555gr 680gr 1.768"
292 cu.in. 3.75X 3.30" C2AE 6.324" 1.915:1 .9122" 143gr 555gr 695gr 1.768"
292 HD trk 3.75X 3.30" C1TE 6.252" 1.894:1 .9122" gr 663gr 1.830"
312 cu.in 3.80X 3.44" ECZ 6.252" 1.816:1 .9122" 143gr 585gr 638gr 1.768"
239 & 256 used EBU 3.10" stroke crankshaft ford-y-block.com
272 & 292 used EC 3.30" crankshaft see CRANKSHAFT IDENTIFICATION
312 used ECZ 3.44" crankshaft
Rod journal diameter: all 2.1880-2.1888" standard
Main journal diameter 239-256-272-292: 2.4980-2.4988" standard
Main journal diameter 312: 2.6240-2.6248" standard
Block deck: 9.775"
APPROXIMATE WEIGHTS
BARE BLOCK 155 pounds
LONG BLOCK 535 pounds
COMPLETE ENGINE 610 pounds
CYLINDERHEAD BARE 49 pounds Aluminum 24.5#
CYLINDERHEAD COMPLETE 56 pounds Aluminum 28#
CRANKSHAFT 292 53 pounds
CRANKSAHFT 312 58 pounds
CRANKSHAFT 292 STEEL 60 pounds
TIMING COVER 16 pounds Mummert aluminum 9 pounds
FLYWHEEL 30 pounds Mummert aluminum 15 pounds
INTAKE MANIFOLD 31 pounds Mummert aluminum 14 pounds