bad68coupe New Member Jul 18, 2006 220 0 0 Richardson, TX Aug 16, 2006 #1 Aug 16, 2006 #1 what is the difference, performance wise, in the shape of the combustion chambers for these heads? Attachments 12345.webp 10.9 KB · Views: 98 123456.webp 19.7 KB · Views: 92
C C0V3R Member Feb 14, 2003 524 0 16 Australia Aug 17, 2006 #2 Aug 17, 2006 #2 Cant really tell with those photos.
jes72mustang New Member Mar 31, 2005 224 1 0 S. Central PA Aug 17, 2006 #3 Aug 17, 2006 #3 For one thing the ones with the smaller combustion chamber are going to have a higer compression ratio.
For one thing the ones with the smaller combustion chamber are going to have a higer compression ratio.
D danny clemens Member May 4, 2005 728 0 16 Aug 17, 2006 #4 Aug 17, 2006 #4 Post what the heads are (combustion chamber size, valve size and what they came off of) and somebody should be able to help you.
Post what the heads are (combustion chamber size, valve size and what they came off of) and somebody should be able to help you.
5 57fairlane New Member Apr 2, 2005 560 0 0 Oakwood, GA Aug 17, 2006 #5 Aug 17, 2006 #5 just from the picture, the aluminum heads look like they have some shrouding around the valve. 5 minutes with a carbide bit should pick up at least 5 cfm depending on how bad it is.
just from the picture, the aluminum heads look like they have some shrouding around the valve. 5 minutes with a carbide bit should pick up at least 5 cfm depending on how bad it is.