Seeking Advice on pulling engine

[Sik5chevy]

It could be a 327 truck but more than likely a 350 you got to look at the suffix letter on the front passenger side on a pad. If it's got a 3 letter suffix like Cmj or Ckk it would 70's or later and don't think they made a 327 with a two digit suffix past 69, so that should be easy.
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[Sik5chevy]

The pad we are talking about is right front passenger side below the head facing up and there may be an alternator mounted in front of it and it probably has a thick layer of paint over it
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[Northwest Outlaw]

aaaannd, found it.
CEA139905
3970010

Now I remember seein a thread that had all the numbers for blocks, let's see if I can find that

[cv65]

Originally Posted by Northwest Outlaw

aaaannd, found it.
CEA139905
3970010

Now I remember seein a thread that had all the numbers for blocks, let's see if I can find that

http://www.nastyz28.com/gm-chevy-cod...s-suffix-2.php

[Northwest Outlaw]

3970010 = 327 in 1969, 302 in 1969 or 350 from 1969-1980
CEA = 305 in 1980?

[Sik5chevy]

Is there another set of numbers next to that one or below it , it would should have the date code followed by 2 or three letters. Maybe I'm wrong but that's how I date them.
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[cv65]

Originally Posted by Northwest Outlaw

3970010 = 327 in 1969, 302 in 1969 or 350 from 1969-1980
CEA = 305 in 1980?

Yea somethin weird let me look somemore

[cv65]

Originally Posted by cv65

Yea somethin weird let me look somemore

read this http://www.hotrodders.com/forum/sbc-...ock-46624.html

[Sik5chevy]

I'm done I'm past what I know-sorry couldn't be of more help

[Northwest Outlaw]

Originally Posted by cv65

read this http://www.hotrodders.com/forum/sbc-...ock-46624.html

Yes, good read. Seems to agree with the year based size.

Originally Posted by Sik5chevy

I'm done I'm past what I know-sorry couldn't be of more help

Thanks man, it's a doozy

This is from that Z28 site: My point here I guess is... trying to decode "3970010" is almost pointless. It's a 350. If you're trying to buy a 350 and you see this thing laying on the ground, then there it is. But if you want to know EXACTLY what the thing is - you need more than the casting #. Once you identify something - like the above vette block, then you can conclude what other pieces and parts should have been on it, and check those casting #'s. And/or - you can check dates to make sure everything came together when original.
ONE NOTE: Casting #'s will trump the code on a descrepancy. Take the above CLJ example. In 1987 CLJ is a 305 L69 in a monte carlo, or in 1971 it's a 400 from a monte carlo. So when the arguement over 305, 350 or 400 comes up... now you look at the casting #. 3970010.... bang, it's a 350. That eliminates the 400 and 305 possibilities.

So it seems a safe bet based on PO information of a '71, 4 bolt, 350 is true. Thanks for the help guys

[cv65]

dont mean to leave you hangin but gota go,maybe somebody in the drivetrain board could help ya