1 19stang67 Founding Member Jul 29, 2002 90 0 6 Tampa, FL Jun 23, 2008 #1 Jun 23, 2008 #1 How much would the compression ratio change going to a set of 1970 351W heads on a 5.0?
Fast63 New Member Sep 20, 2007 717 0 0 Jun 23, 2008 #2 Jun 23, 2008 #2 what is the casting number of the head you are talking about? Better yet, what is the cc of the combustion chamber if you know it?
what is the casting number of the head you are talking about? Better yet, what is the cc of the combustion chamber if you know it?
1 19stang67 Founding Member Jul 29, 2002 90 0 6 Tampa, FL Jun 25, 2008 #3 Jun 25, 2008 #3 The 351W head is listed as 60.4cc and the stock heads on a 5.0, I believe, are 64cc.
Fast63 New Member Sep 20, 2007 717 0 0 Jun 25, 2008 #4 Jun 25, 2008 #4 stock heads on an 87-93 5.0 are 61-62cc's. So you will virtually gain no compression.