Steve and all
I made a typo with my response. "Sorry about that ....."
F21KA = 12/21/64 according to the decode I have.
I'm not sure the Rootes engine numbers has much to do with the Ford numbers
and the Rootes numbers are definitely not in the same format as the Ford
numbers.
My 260 was cast 4F27 = June 27,1964; build date 5A16B = Jan 16, 1965; Rootes
engine code F21KA = 12/21/64
F21KA shows up in TBON in March 1965 build date and mostly ends Oct 1965
with a few into Dec 1965.
It would seem to me that the Rootes engine number code has something to do
with the Rootes Purchase order for, or the Ship load, of the engines
received, but I can only venture a best guess. :)
Ron Fraser
-----Original Message-----
From: Steve Laifman [mailto:SLaifman@SoCal.rr.com]
Sent: Tuesday, September 07, 2004 12:25 PM
To: Ron Fraser
Cc: Tiger List
Subject: Re: Engine Date Code
Ron,
I believe you will find "Casting Numbers" relate to the casting mold
design, and Date Codes are the date run at the Ford Plant.
Ref: How-to ..... Small Block Ford
Steve
Ron Fraser wrote:
>Bob
> Somewhere in my readings I found a decode for the Rootes engine
>numbers. I need to look to verify the source, so I'm not sure if this
>is absolutely correct.
>
>They are just date codes according to what I read.
>
>F21KA = 6/21/64
>
>B19KC = 2/19/65
>
> After looking at the engine numbers in TBON I would guess the Rootes
>engine numbers correspond to the purchase order dates more than anything
>else. This needs more investigation by inquiring minds. :)
>
>Ron Fraser
>
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