Erich,
TBON says on page 56, referring to the switch from the original Ford
C90Z-9424-D HiRise manifold "The results were so favorable that the
Edelbrock F4B instantly became the official LAT-1 manifold, with the
provision that the hole for the temperature sending unit be drilled and
tapped for the Smith sender used on the Tiger. The Tiger versions of the
Cobra/Benevides manifold, with their Shelby American part numbers, were
history before 100 had been cast." On page 57 is a picture of the Edelbrock
LAT-1 manifold. Although the resolution is poor, I don't see any hump or
hole on the driver's side rear runner. There does appear to be a tapped hole
on the passenger's side rear runner for the vacuum hose to the power brake
servo. It would seem that the only way to distinguish a Tiger OEM manifold
is by the threads for the temperature sending unit.
Bob Palmer
rpalmer@ucsd.edu
rpalmerbob@adelphia.net
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