Kevin
The 260 heads C40E-A have the larger valves; 1.67 & 1.45. This
change was made in Feb 1964. The valve size is the same as the 289 in this
time frame. The 289 went to a 1.78 intake valve April 1964 in the C4OE-B
heads.
Ford never changed the HP rating on the 260 engine with the larger
valves.
The 289 heads all have larger intake and exhaust ports.
Ron Fraser
-----Original Message-----
From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
On Behalf Of kevin beck
Sent: Saturday, September 05, 2009 11:52 AM
To: Tigers@autox.team.net
Subject: [Tigers] 260 heads
I have been talking to a guy about my 260 heads my motor has 3 freeze plugs
per side I guess some had 2, my heads valves are 167-145 ,I believe the
same as the non 289hp. Is there a difference in the 260 head and a standard
289 head . My book shows they have the same size valves. Physical size of
valve area maybe. The guy I'm talking to (emailing) keeps telling me
everything about my 260 heads are smaller then the 289. He does make
reference at one point 178-145 valves, but they were only used in the 289hp
and the 302. Any help out there Kevin
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