LA / Magnum blocks

Just a little info to add. Weights of stock blocks by year. Link at bottom.

Same scale (new) same day

8-28-72 340 4.070 158#
2-19-71 318 4.070 122# was a running dirt track motor
5-7-70 340 4.070 159#
10-17-96360 4.040 175#
6-17-70 360 4.030 165# smallest distance between farthest apart bores
4-26-78 360 4.030 165#
1-2-97 360 4.000 179#
7-19-91 360 4.000 174# Roller has the thick pan rail also
8-30-73 318 3.910 165# Same casting as 122# block
9-19-96 318 3.910 177# Has thick pan rails
1-16-67 273 3.625 166#




Stock SB block info
Just a little info to add. Weights of stock blocks by year. Link at bottom.

Same scale (new) same day

8-28-72 340 4.070 158#
2-19-71 318 4.070 122# was a running dirt track motor
5-7-70 340 4.070 159#
10-17-96360 4.040 175#
6-17-70 360 4.030 165# smallest distance between farthest apart bores
4-26-78 360 4.030 165#
1-2-97 360 4.000 179#
7-19-91 360 4.000 174# Roller has the thick pan rail also
8-30-73 318 3.910 165# Same casting as 122# block
9-19-96 318 3.910 177# Has thick pan rails
1-16-67 273 3.625 166#




Stock SB block info
Just a little info to add. Weights of stock blocks by year. Link at bottom.

Same scale (new) same day

8-28-72 340 4.070 158#
2-19-71 318 4.070 122# was a running dirt track motor
5-7-70 340 4.070 159#
10-17-96360 4.040 175#
6-17-70 360 4.030 165# smallest distance between farthest apart bores
4-26-78 360 4.030 165#
1-2-97 360 4.000 179#
7-19-91 360 4.000 174# Roller has the thick pan rail also
8-30-73 318 3.910 165# Same casting as 122# block
9-19-96 318 3.910 177# Has thick pan rails
1-16-67 273 3.625 166#




Stock SB block info
What scale did you use. A 122# for a complete running engine??