Small block CRANK I.D.???

[ShowAndGoResto]

Hi..

Can anyone tell me what these small block crank casting numbers are for/from??

2532457

and

3462387

Thx

 

[oldkimmer]

......................1st 1 is 68-72 340 forged...........2nd is 73 340 cast.........kim...

 

[ShowAndGoResto]

Cool..Thanks...where did you find the numbers?

 

[oldkimmer]

...............I found the #s in a book called How To Rebuild Your Small Block Mopar.....by Don Taylor and Larry Hofer from HP Books................kim.........

 

[1wild&crazyguy]

387=shot peen'd cast

other is 340 steel
both 3.31 stroke
I have a 387, it's way smoother than any other cast iron crank

I have 4 of the 340 cranks