Any one versed in decoding block #'s

[ProdigyCustoms]

Originally Posted by promax/vennom#16

would there be a web site out there with this information? I have a similiar situation also. I have a 396 (T1201IV Front Side) ( 3902406 Rear Side )that I would like to know what it came out of, And I also have a buddy that has a 67SS and he would like to see if his #s match. Year one says you can find the info on it's web site, but i have had no luck locating it?
Dave

It is common many 396 cars had the stamped numbers by the oil filter. It is difficult to explain where it is, but if laying on the ground, looking from the left side up at the motor, in front of the oil filter is a pad going veritcal abouth 4" long and 3/4" wide. It is rough casting, laquer thinner on a rag will help make the numbers show up as the paint stay in the numbers. I have had many big block cars this way, and rarely small blocks.

[promax/vennom#16]

Originally Posted by ProdigyCustoms

It is common many 396 cars had the stamped numbers by the oil filter. It is difficult to explain where it is, but if laying on the ground, looking from the left side up at the motor, in front of the oil filter is a pad going veritcal abouth 4" long and 3/4" wide. It is rough casting, laquer thinner on a rag will help make the numbers show up as the paint stay in the numbers. I have had many big block cars this way, and rarely small blocks.

Thanks for the help. Unfortunately I had deburred the block and heads , the only #s that still are visable are the #s on the front of the block and the back of the block. After some research today it looks like it came out of a 67-69 Chevy Impala 325hp.Thanks.
Dave