291 LS-5 bbc heads

 
Old 11-18-2011, 03:33 PM
  #1  
ejm
Senior Member
SENIOR BUILDER
Thread Starter
 
Join Date: Nov 2007
Location: indiana
Posts: 123
Default 291 LS-5 bbc heads
what are these heads and are they decent bbc heads
ejm is offline  
Reply
Old 11-19-2011, 07:18 AM
  #2  
oldandtired
Senior Member
RACING JUNKIE
 
oldandtired's Avatar
 
Join Date: Dec 2008
Location: Sugar Hill, GA
Posts: 1,365
Default Re: 291 LS-5 bbc heads
Originally Posted by ejm
what are these heads and are they decent bbc heads
3964291 are 69 to 70 109cc closed chamber rectangular heads.
396/402/427/454/with 13/16 or 5/8 spark plug (gasket or tapered).
Hard to get good flow around the valves with the "bathtub" chamber.
oldandtired is offline  
Reply
Old 11-27-2011, 03:05 PM
  #3  
ejm
Senior Member
SENIOR BUILDER
Thread Starter
 
Join Date: Nov 2007
Location: indiana
Posts: 123
Default
well got motor home and they are 3964292 bbc heads just wondering if they are any better and what they are
ejm is offline  
Reply
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

Thread Tools

Advanced Search
Reply Closed Thread Share
Forum Jump

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