Just a follow up on David's excellent post. I found a C4TZ-6766-A NOS cap
in an original Ford box on eBay. It has the 90 degree nipple pointing
straight up. This is interesting in that although this same part number is
used on our Tigers we know that on our cars the nipple has been rotated to
point back instead of up. Although the nipple in my cap was tightly secured
in the cap it was relatively easy to rotate to the backward pointing
direction using a pair of pliers.
One conclusion to all this is that Ford or Rootes modified the direction of
the nipple on the cap for the Tiger. Another is that Ford assembled the
Tiger version caps with the nipple rotated and didn't bother changing the
part number then there were no true Tiger replacement caps available and the
parts book simply listed a suitable alternative that could be easily
modified by the customer or dealership. And finally, my cap may have come
in the incorrect box and is not really a c4TA-6766-A despite the markings on
the FoMoCo box flap.
Frank
Bored in Cloverdale
-----Original Message-----
From: David or Gary [mailto:wwwdg@webtv.net]
Sent: Friday, December 31, 2004 9:49 AM
To: Frank Marrone
Cc: 'Tiger's Den'
Subject: RE: Ford Part Number Request
Frank, The MKII parts list shows the cap as C4TZ-6766-A (would be the
same for the MKI) "C4TZ" would be a truck part number. This is a black
painted 900 nipple cap.
I have original chrome caps (not for sale) in their box (one Autolight,
one FoMoCo) with the bent 900 smog nipple (they face up, but can be
turned horizontal) with part number C4DZ-6766-B which have ink written
superseded part number C5ZZ-6766-D (Mustang part number) written on them
(this is the straight short nipple).
It appears Ford only used the black and chrome caps with a long 900
nipple in 1964, you can find them used sometimes on 1964/65 Ford cars
and trucks. The nipple can be rotated to horizontal carefully with a
tight fitting wooden dowl inserted in the nipple hole and turning it.
Good Luck, David Franchi
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