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Old 06-06-2017, 01:45 PM   #1
1970ChevC10
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How can i tell exactly where my engine came from

I have a 1970 C10 built in Atlanta. Engine is blue not orange, stamp on block says '3970010'. I also used a book on how to rebuild carbs and have linked that serial number to a 1977 Corvette. Is this accurate or does anyone else have additional info or tips for me?
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Old 06-06-2017, 02:16 PM   #2
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Re: How can i tell exactly where my engine came from

Need to get numbers off the front of the block, pass side right where block/head surface.
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Old 06-07-2017, 11:22 AM   #3
1970ChevC10
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Re: How can i tell exactly where my engine came from

Thanks Found it: V0310CKH 170471576
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Old 06-07-2017, 11:46 AM   #4
geezer#99
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Re: How can i tell exactly where my engine came from

Look here for your suffix code CKH.
http://www.nastyz28.com/gm-chevy-cod...s-suffix-2.php

And if you look here you'll find your casting number which shows your block number.
http://www.mortec.com/castnum.htm

And no, you don't have a 302 or 327.
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Old 06-07-2017, 01:54 PM   #5
GASoline71
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Re: How can i tell exactly where my engine came from

3970010 was the most mass produced 4" bore block GM ever made. So the numbers and suffix code on the front of the passenger side head will tell you everything you want to know.

If it's "corporate blue" from the factory it was originally installed in a 1975ish or later vehicle.

If it has a long water pump and the alternator on the passenger side, then it didn't come in 1970. All 67-72 V8 trucks had short water pumps and alternator on drivers side.

Gary
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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

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I would never rebuild a 305.
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Old 08-11-2017, 01:12 PM   #6
1970ChevC10
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Re: How can i tell exactly where my engine came from

In the end it was a 350 SB built for a 77 Monte Carlo at the Doraville, Georgia Plant. Going to swap in a 67 396 big block that was built in Tonawanda for a 67 Chevelle that from what i can tell from the engine codes was assembled in Los Angeles.
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Old 08-16-2017, 07:57 PM   #7
70K10Hunter
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Re: How can i tell exactly where my engine came from

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Originally Posted by 1970ChevC10 View Post
In the end it was a 350 SB built for a 77 Monte Carlo at the Doraville, Georgia Plant. Going to swap in a 67 396 big block that was built in Tonawanda for a 67 Chevelle that from what i can tell from the engine codes was assembled in Los Angeles.

HHmmmm.... 67 396 Chevelle.... smells like an SS motor.
those came from the factory juiced. Good choice.
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Old 08-20-2017, 09:48 AM   #8
YoungPup1977
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Re: How can i tell exactly where my engine came from

Does your 67 396 casting number end in 406 ? or 323 ?
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