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Engine casting numbers

17K views 5 replies 4 participants last post by  67funcar 
#1 ·
Hey all you smart folks!!

I have an engine that I want to know more about. Its a BBC Casting number 3999290 with the following numbers stamped on it: Conv GM9T, 621 72, HI Per Pass, F9. Also have the heads to it, #6272292.

I picked it up from a guy in Dallas when I bought a 327 for some one else. Thanks for the help!!!

GeeMan
 
#4 ·
Thanks, but I was looking for more than what Mortec could give me. I was told it is a 402 1972 out of a Chevelle, but don't know how to read the rest of the numbers. Thanks for those quick responses.

GeeMan
 
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