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Old 11-22-2007, 09:08 PM   #1
1great68
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small block numbers

Can anyone tell me what the numbers stand for on the driver side back of the block 3970010.Any help would be great.
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Old 11-22-2007, 09:21 PM   #2
DREAMS OF A 67
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Re: small block numbers

according to my book,3970010 was a 327 if made in 1968 and a 350 from 69-79 . if you can get the date code we might find more info.
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Old 11-22-2007, 09:28 PM   #3
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Re: small block numbers

The date code should be in the same area you found that number and will start with a letter and be followed by two,three,or four digits.
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Old 11-22-2007, 10:52 PM   #4
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Re: small block numbers

The other number ia A227 on the ps back of block.
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Old 11-22-2007, 10:57 PM   #5
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Re: small block numbers

what are the last 3 digits on passenger side in front of head ?
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Old 11-22-2007, 11:23 PM   #6
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Re: small block numbers

Its hard to tell there is number on top of numbers i think its 25B or 625B

Last edited by 1great68; 11-22-2007 at 11:24 PM.
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Old 11-22-2007, 11:25 PM   #7
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Re: small block numbers

on the long list the last 3 are25 b? hmmm let me see if that tells me, scrape it lightly with sand paper. i thought they should be all letters but ill look. brb
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Old 11-22-2007, 11:26 PM   #8
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Re: small block numbers

nope that dont tell me anything
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