Hola All
The Imperial Division High Performance 440 had the following: An Dual
Snorkle Air Cleaner Housing ( There were no bright orange colours on the lid or
else where. The Imperial Division engine colour was as the non Hi-Perf
versions. ), The Hi-Per Exhaust manifolds per design of the package
of the "C" body series with dual exhaust, The Carter AVS 4429S
Carburator, The Power Steering unit with the Larger Diam Pulley ( as per
all Hi-Perf 440's in any division ), an smaller 18" diam Cooling Fan and
the cam assembly now known as P4529270.
As per 66-67 and now 1968 if the car had the dual exhaust 440 or was
ordered with the "Tow Package" the 3.23:1 ratio was part of the Sure-Grip.
( If the car was with out any of the above, the Imperial Division Sure-Grip
could be had with 2.94:1 gears. )
Due to the Imperials weight and the fact the HP cam had no "bottom end" an
Torque Convertor with an stall speed of 2400-2600 rpm's was used instead of the
usual 1600-1800 rpm Torque Convertor.
If any member is planning on cloning this package in any 413 or 440 powered
Imperial, the MoPar P4286675 cam assembly is an better choice.
Also the 1967 and newer exhaust manifolds will not fit the driver's side
space on the 1959-1966 "D" bodied Imperials.
Rodger & Gabby
COS
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