gm hecho en mexico block

rich2083

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hi trying to find info on this block says gm hecho en mexico with 8970010 and on the front has
stamping of CD8011061 any help would be appeciated
 

63Half-ton461

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3970010....302.....69....4...Z-28 Camaro
3970010....327.....69....2...Trucks and industrial
3970010....350...69-80...2 or 4

8 could be a 3 ?
 

rich2083

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yes I found that info deffinetly looks like an 8 and did they make those in mexico back then
 

63Half-ton461

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I don't think they did back then but im pretty sure they do now under that same casting number, 3970010 is available today as a low, low buck crate motor, it even comes with thous total garbage 883 head castings. LOL !
 

rich2083

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you tell me sure looks like a8 to me the casting doesn't have any openings
 

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63Half-ton461

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Yeah that's an 8 ... i would say GM decided for the made in mexico block they would make the 3 an 8 .
Also with the original 3970010 blocks the numbers were bigger too so they didnt just swap a 3 for an 8 when they added in the made in mexico
As far as i know the stuff that comes off the Mexican assemble lines is every bit as good if not better than plants in america
Wish i could help you with the CD8011061 number as that would tell you if it came from a 3/4 ton or not (maybe its just a crate motor number) and is a 4 bolt, theres an admin here who has brokin down numbers for a few people maybe he can help you
 
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