I have a chance to buy a big block, but can't determine it's origin. The casting # is 3963512. The stamping is T1130CPA. I know the
T= Tonawanda
11=November
30=30th day
CPA=? it may be a truck motor, as it is a 2 bolt block with oval port heads.
The vin # is 11K134640.
Thanks to the engine Guru's for the help ! graemlins/thumbsup.gif

Vin:
1=Chevy
1=1971 Model year
K=Kansas City assembly plant
134630=sequence number

CPA= A '71 Chevelle or M.Carlo with LS-5 454/365hp MT (code used 71 and 72).

Rene
66_Malibu

Thanks, I'ma dope ! November 70 build would be a 71 motor. I didn't look at the 71 codes or I would have found it! graemlins/clonk.gif

Let me know if you don't buy the motor. I would like to have more info on it...