DATA FOR ROD-STROKE RATIO AND INERTIAL LOADING FACTORS FOR PONTIAC ENGINES.

-DISPLACEMENT-  -ROD LEN.-  -STROKE-  -R/S-  -I.L.F.-  -OPT. CRANK ANGLE-

302 CHEVEROLET    5.700"      3.00"    1.90   1.263          75.3 deg.
331 CHEVEROLET    5.820"      3.25"    1.79   1.280          74.4 deg.
426 CHRYSLER      6.861"      3.75"    1.83   1.273          74.7 deg.
454 CHEVEROLET    6.125"      4.00"    1.53   1.327          71.9 deg.
317 PONTIAC       6.625"      3.25"    2.04   1.245          76.2 deg.
370 PONTIAC       6.625"      3.5625"  1.86   1.269          75.0 deg.
400 PONTIAC       6.625"      3.75"    1.77   1.283          74.2 deg.
428 PONTIAC       6.625"      4.00"    1.66   1.301          73.2 deg.
303 PONTIAC       7.080"      2.84"    2.49   1.200          78.3 deg.
366 PONTIAC       7.080"      3.375"   2.10   1.238          76.6 deg.
455 PONTIAC       6.625"      4.21"    1.58   1.316          72.3 deg.

THE LESS THE I.L.F.: THE HIGHER THE REDLINE.