Slant Six Forum :: Need help with timing

After a visual of where the motor VIN was, I found it. Now I need help deciphering it. The VIN is B 225 6 07. The motor has 3 freeze plugs too. There are cast in numbers on the drivers side too and they are, 04296:and under that another set of numbers that are 2463430-19. The tranny had some cast in numbers too and they 871-3 and under the 3 is a C. What do these numbers mean and more importantly, what year is the motor? 04296: 2463430-19

871-3
C

This is how they looked on the motor and tranny.

Author:	xjarhead [ Tue Jul 16, 2013 9:18 am ]
Post subject:
Quote: After a visual of where the motor VIN was, I found it. Now I need help deciphering it. The VIN is B 225 6 07. The motor has 3 freeze plugs too. There are cast in numbers on the drivers side too and they are, 04296:and under that another set of numbers that are 2463430-19. The tranny had some cast in numbers too and they 871-3 and under the 3 is a C. What do these numbers mean and more importantly, what year is the motor? 04296: 2463430-19 871-3 C This is how they looked on the motor and tranny. This info was taken from Doc's article on blocks The 2 most common RGFC blocks have the casting numbers 2463430 (60 â€“ 67 forged crank "early" with 3 freeze plugs & red paint) and 2806830 (68 â€“ 75 forged crank "late" with 5 freeze plugs & blue paint). These casting numbers are followed by a dash and a 1 or 2 digit number (-XX). The dash number is a "link" to the casting pattern equipment used to produce that casting. Dave

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