View Single Post
  #20  
Old 08-31-2016, 02:15 AM
Verne_Frantz Verne_Frantz is offline
Senior Member
 
Join Date: Jul 2003
Location: Central New Jersey
Posts: 3,793
Thanks: 34
Thanked 240 Times in 123 Posts
Default Re: Machinist's advice sought

These heads were made about a month after the factory started pinning them so the pins were already there. I guess someone decided to replace them after adding the screw-in studs.

Verne
Reply With Quote