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Engine Bay Detail
Engine - External
Engine - Internal
Gallery - Photos from For Sale Ads
Heater & A/C
Mustang Monthly Article Index
Registry 71 429 Cougar
Registry 71 429 Mustang
Special Topics 2
Tech Writeup Index
Underhood Component Coatings
Under Hood Non Engine Components
The 429 CJ used the Rochestor Quadrajet carburetor and the
429 SCJ used a Holley 780.
Additional details are described below.
(Note: Click thumbnails to enlarge pictures.)
The 429 4 speed choke cover is shown at left and the 429
C6 choke cover is shown at right.
Shown above is an original carburetor to intake
manifold gasket for the 429 SCJ with the Holley 780 (Part #C9AZ-9447-D).
It was approximately 1/8" thick. The CJ with Rochestor used a
Carburetor Attachment Nuts
Original Ford carburetors used the smaller nut (shown
at right in each photo) which requires a 7/16" socket on the studs
that attached the carb to the intake manifold. The larger nut (left in
each photo), which uses the 1/2" socket is the common
C6 Throttle Bracket above.
429 SCJ 4 speed Throttle Bracket above.
429 SCJ C6 Throttle Bracket shown below;
The 429 CJ with the C6 automatic used a spring
(attached to the back of the throttle bracket into a small eyelet) to stabilize the
transmission kickdown rod. The 4 speed and C6 SCJ throttle brackets
are shown at
right. Note they do not have the eyelet for the spring.
The 429 Mustang/Cougar version is very difficult to find now if
you need one. Before 4/1/71, it was part #D1ZZ-9A758-A . After 4/1/71, it
was part #D1ZZ-9A758-G (below). The cable was 23.75" long and had a
brown paint daub as shown. Installed view shown at bottom.
Bruce O'Connor's 429 CJ Mach 1