View Single Post
  #8 (permalink)  
Old 04-11-2007, 10:11 PM
flwolfman's Avatar
flwolfman flwolfman is offline
CC Member
Visit my Photo Gallery

 
Join Date: Jul 2005
Location: Hudson,, FL
Cobra Make, Engine: None at moment
Posts: 147
Not Ranked     
Default

Some 390's can be bored to a 428, but you would need to have the machine shop do a sonic test to be sure. Some 390's also have the 66 427 numbers cast on them as well as 427's. Hope this helps. Jim
Reply With Quote