ZL-1 BLOCK NUMBERS>>>DATABASE

[iluv69s]

Does anyone know the significance of the small stamped number on the back of the block above the bellhousing and on the main caps of a ZL-1 block...I have been keeping track of the data from a bunch of blocks as I have come across the info...both in person and on the web....I have a small database...if anyone has a dated block...especially with the small stamped # in the rear of the block and main caps, I'd like to add the info. to the database....I have info. on both original blocks and also the extra vette and camaro motors that were made at the time...i suspect that the small rear numbering included all motors together which makes it a bit more difficult to figure out a sequence...Someone told me that the blocks are out of sequence because in the engine room, it was first in, last out...makes sense, also seems to make some sense with my findings...they seem to be generally stamped in order by bunches according to cast date and # and small stamped rear number...but individually out of order...

anyone know??

Or do they already have this all figured out??do they already know which block had which number?? I assume if anyone knows, it would be Ed Cuneen..

[William]

In those days cutting tools could not cut both steel and aluminum. I believe some of the initial processes were done with the caps in place but the final cap/block ops were performed apart so the caps had to be ID'd to the block they belonged to.

[427king]

I discussed this with Ed one time. I do believe whether some may certainly not follow the rule that the numbers did go in some sort of a a sequence to the date of the block.I had 5 blocks marked and they all followed this,Ill send what i have when i can locate them. I think my april 69 block was 264? but i could be wrong

[iluv69s]

hey king...i would really appreciate any info you have on your blocks...pics would be better of course...i am tracking the cast date and cast numerical sequence number(the small number below cast date...all are 052 blocks as far as I can tell)...the assembly stamped pad #'s (although I have only a few recorded as most have been apparently decked)...and of course the small stamped number that is on the back of the block and the main caps...all help is appreciated as we hope to someday have enough info to make reasonable assumptions as to how the production occurred... and possibly offer my findings if they seem relavant...

Doesn't anyone else out there have an original ZL-1 block...We would like your data for our database...where are all you original ZL-1 owners?? Im sure a few have the original motors still...or a replacement dated block...and I see enough clones on Ebay...

We are interested in All dated original ZL-1 BLOCKS..


To King and all others...thanks in advance!!!