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-   -   Small block chev numbers (https://www.yenko.net/forum/showthread.php?t=117467)

AlsV8vair 03-23-2012 01:33 AM

Small block chev numbers
 
I have a small block I pulled out of my Corvair . I have the numbers off the back of the block and the heads
Block 3970010
Heads 3890462

thanks

Al

x Baldwin Motion 03-25-2012 12:17 AM

Re: Small block chev numbers
 
3890462
302/327/350
62-68
1.94/1.50 2.02/1.60
64cc Double hump

3970010
68 - 79 350 & 327
145-375 2&4-Bolt mains/Truck/Hi Perf

AlsV8vair 04-14-2012 03:02 PM

Re: Small block chev numbers
 
There is a vin number stamped on the block . I will get it off and see what it is.

thank you

jbsides 04-15-2012 01:45 AM

Re: Small block chev numbers
 
I think there were some (late in the model year) '69 Z/28's that had the 4-bolt main version of the 3970010.

I'm gettin' old, so the memory may not be so hot though...

x77-69z28 04-15-2012 04:29 AM

Re: Small block chev numbers
 
my 05A 69 z has the 010 block. havent seen an earlier vin with one.

04-15-2012 06:39 AM

Re: Small block chev numbers
 
Early May was about the time they went to the 010 block.


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