Stu
Jan 1963, Ford changed the design of the 221 and 260 block to
conform with the 289's 7" mount pattern and the 3 freeze plugs on both
sides. The 260 casting # for this block is C3OE-6015-B. I believe this is
the early block used for the Tiger. Around July 1963 the 260 casting #
became C4OE-6015-B and then in May 1964 the casting # became C4OE-6015-E
which continued in production until the fall of 1965.
I believe the C4OE-6015-E block is the most common 260 Tiger engine
casting number. I know this is the casting # on my F21KA group engine.
The difference between the Tiger engine and the Ford vehicles,
besides all the Tiger specific parts, is that all the Tiger engines have the
PCV closed emission system. Some Ford vehicles still used a road draft
tube system. The PCV system is much better than the road draft tube system.
Ron Fraser
-----Original Message-----
From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
On Behalf Of Stu Brennan
Sent: Thursday, January 27, 2011 10:00 PM
To: tigers@autox.team.net
Subject: Re: [Tigers] more cubes
I thought I read somewhere that the 260's in Ford vehicles were a different
block from the Tiger 260s. A different design, with the number of freeze
plugs and the thin wall casting design being obvious differences. This
would make it unlikely that 260s left over from car production were shipped
to Rootes.
Stu
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