396 to 427 ???

Old 06-17-2009, 08:41 AM
  #1  
jackbn
Junior Member
APPRENTICE
Thread Starter
 
Join Date: Mar 2005
Posts: 13
Default 396 to 427 ???

I've often heard that you can bore a pre 1972 396 to a 4.25 with no problems because the 396 and 427 in those early years came out of the same cast ?? Any truth to that ?
jackbn is offline  
Old 06-17-2009, 09:41 AM
  #2  
Tod74
Senior Member
RACING JUNKIE
 
Join Date: Sep 2007
Posts: 4,137
Default

Yes you can I know a guy that did it, but I'm not sure which blocks you can do it with. I'd have it sonic checked first to be safe.
Tod74 is offline  
Old 06-17-2009, 10:56 AM
  #3  
TS1955
Senior Member
DYNO OPERATOR
 
Join Date: Aug 2007
Location: Lost Creek, WV
Posts: 533
Default

If memory serves me right it was the blocks with an IE or IF stamping. But like Tod said, have it sonic checked first.

TS1955
TS1955 is offline  
Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information -