HURST #373 7637
COMPETITION/ PLUS
U.S PATENT NO. 3,216,274 & 3,306,126
INSTALLATION INSTRUCTIONS
FORM 159 0802 REV05 10/13
HURST PERFORMANCE
www.HURST-SHIFTERS.com
1
1.
Place a suitable jack under the transmission. Use a block of wood
beteen the top of the jack and the transmission housing. Remove
the two bolts that fasten the lower crossmember (which supports the
transmission extension housing). Remove the bolts that fasten the
crossmember to the transmission. REMOVE CROSSMEMBER.
2.
Remove the stock linkage from the transmission EXCEPT for
the REVERSE linkage. DISCONNECT THE LINKAGE AT THE
REVERSE ARM AT THE TRANSMISSION ONLY.
3.
Install the mounting place on the extension housing.
4.
Remove the stock back-up light switch assembly from the stock
shifter. Grasp plastic body of switch firmly and pull switch out of
shifter mounting. Remove the spring clamp from the hole in the
stock switch mounting hole.
5.
Install the spring clamp into the back-up light switch bracket
supplied with the HURST shifter (Pt. 6889).
Push the stock switch all the way into the bracket (as far as it can
go). NOTE: THIS SWITCH IS SELF-ADJUSTING, IT AUTO-
MATICALLY POSITIONS ITSELF THE FIRST TIME THAT
YOU SHIFT INTO “REVERSE.”
6.
Remove 3/8” bolt and jam nut from rear end of shifter. Install
back-up light switch bracket under jam nut and adjust to position
switch plunger squarely against the rear edges of the REVERSE
shifter lever. Tighten the jam nut.
7.
Install shifter on mounting bracket. Tighten mounting bolts.
13.
Remove neutral alignment rod. Test shifter. Stick should move
freely from side-to-side at neutral (between 1-2 and 3-4 shifting
paths). An increased pull toward the operator should engage the
reverse lever. If shifter functions properly. proceed to paragraph 14.
8.
Assemble rods to their respective arms using nylon bushings and
clips. Refer to exploded Assembly Drawing for proper parts
combinations. Spin buttons onto threaded ends of rods to the middle
of the thread length.
9.
Install arm/rod/button assemblies onto transmission. Fasten arms
to shafts using stock nuts, lockwashers and flatwashers.
If the stick CANNOT be moved freely between 1-2 to 3-4 or
reverse path, one or more of the rod button adjustments must be
corrected. Move stick forward to 3rd, then back to 4th, then into
neutral. Insert neutral alignment rod. If rod CANNOT be inserted
freely, the 3-4 rod button is incorrectly adjusted. Similar testing of
1-2 shifter will prove alignment of 1-2 rod adjustment.
To check reverse rod button adjustment, place stick on neutral.
Disconnect reverse rod adjustment button from reverse lever. Grasp
rod and push all the way toward front of car. Adjust rod button for
wasy slip-in fit in bushing. Re-assemble and fasten with spring clip.
14.
Adjust shifter stop bolts. Back both bolts out of shifter frame
until only a few threads remain engaged. Push stick firmly into 3rd
gear and hold. Screw 3rd gear stop bolt in until contact is made.
Back bolt out one turn and tighten jam nut. Pull stick firmly back
into 4th gear, screw 4th gear stop bolt in until contact is made, then
back stop bolt out one turn and tighten jam nut. Re-adjust the back-
up light switch bracket as directed in paragraph 6.
©2013, 2010 by Hurst Perfomance
10.
Insert nylon bushings into holes in levers - refer to Assembly
View. Align levers with shifter frame and insert neutral alignment rod
(Pt. 1725) through notches in frame and holes in levers.
11.
Rotate transmission arms backward and forward. The neutral
position for each arm can be felt at the mid-position of full travel.
Reverse arm must be moved to the end of its travel toward the front
of car (dis-engaged position).
12.
Adjust position of button on each rod to permit easy slip-in fit
of button into nylon bushing in proper lever. TRANSMISSION
ARMS MUST REMAIN IN NEUTRAL POSITIONS WHILE
ALIGNMENT IS ACCOMPLISHED. Fasten buttons in levers with
spring clips.
15.
Connect the stock linkage to the stud on the HURST REVERSE
arm (Pt. 7647). Use the stock nut and lockwasher to fasten this
linkage together. This linkage is the BACKDRIVE that actuates the
steering column locking feature. Adjust this linkage at the stud to
obtain proper operation of this mechanism in the steering column.
16.
Replace crossmember. Tighten all bolts and nuts
