Thread: Chevy S.B. Water Pump 6263701 cast number A-8 cast date?
View Single Post
  #5  
Old 04-01-2024, 11:41 PM
RALLY RALLY is offline
Yenko Contributing Member
  
Join Date: Feb 2008
Location: MI
Posts: 1,180
Thanks: 140
Thanked 222 Times in 142 Posts
Default
I do have another water pump i recently purchased that has a 12 after the date. Good to know that info too. I know some of the S.B. Chevy heads had an X on them which was a foundry ID. Got this info from the late GM engineer John Hinckley.
Reply With Quote