Thread: S/O or ?
View Single Post
  #13 (permalink)  
Old 10-29-2011, 07:11 PM
FFR428's Avatar
FFR428 FFR428 is offline
CC Member
Visit my Photo Gallery

 
Join Date: Oct 2002
Location: Fairfield, CT
Cobra Make, Engine: HM-2027 / 427 SO
Posts: 817
Not Ranked     
Default
Quote:
Originally Posted by FWB View Post
without knowing the bore size it could be a 390 someone added crossbolts to....
Not with the relief valve. The only 390 block that had that was the early 61 HP 390 and of course the 4.13 bore 406 that followed in 62.
Reply With Quote