Page 1
UNIVERSAL FLOOR SHIFT
CONVERSION KIT
#7666 & #7667
These instructions apply to the following MR. GASKET products:
INSTALLATION INSTRUCTIONS
WORK SAFELY
Perform this installation on a good, clean, level surface for
maximum safety and with the engine turned “OFF”.
Installation of this shifter requires working underneath the
vehicle. Raise vehicle by lifting at points specified by the
vehicle manufacturer. Place blocks or wedges in front of and
behind both rear wheels to prevent movement in either
direction. Support the vehicle with approved automotive
support stands or wheel ramps.
DO NOT USE A BUMPER JACK FOR SUPPORTING VEHICLE.
USE EXTREME CARE AND CAUTION WHEN WORKING
UNDERNEATH VEHICLE.
Never get near or under vehicle until you are confident that
it is safely supported and will not move or fall from its
raised position.
The following parts are included in this package:
7666 7667
Qty. Part No. Part No. Description
1 97091037 9709137 Knob
1 501 0004 501 0025 Shifter Assembly
1 117 0001 117 0001 Bracket - Mounting
1 116 0001Z 116 0001Z Brace - Stiffener
1 247 0005Z 247 0005Z Support - Lower Mounting
1 247 0008Z 247 0008Z Support - Extension (Optional Use)
1 247 0007Z 247 0007Z Support - Upper (Optional Use)
1 247 0006Z 247 0006Z Support - Lower (Optional Use)
2 105 0005Z 105 0005Z Transmission Arm - For Milled Shafts
2 105 0004Z 105 0004Z Transmission Arm - For Round Shafts
1 213 0002Z 213 0190Z Linkage Rod
1 213 0003Z 213 0192Z Linkage Rod
1 179 8805 179 8805 Jam Nut
1 154 0002 154 0176 Bagged Hardware
2 119 8057PO 119 8057PO Rod Adjusting Button
1–425 0005PO Coupling-Rod Extension
1–213 0209Z Rod-Threaded
2 97X91028 97X91028 “U” Bolt
2 97090030 97090030 7/16-14 x 1 Hex Head Bolt
1 97090031 97090031 7/16-14 x 1-1/4 Hex Head Bolt
5 97000686 97000686 1/2" Flatwasher
3 97000404 97000404 7/16" Lockwasher
2 179 4343 179 4343 7/16-14 Hex Nut
3 97001805 97001805 5/16-24 x 1 Hex Head Bolt
3 96000559 96000559 5/16" Flatwasher
7 97000088 97000088 5/16-24 Hex Nut
7 97000089 97000089 5/16" Lockwasher
4 97000015 97000015 Spring Clip
4 97090079 97090079 #10-12 x 1 Pan Head Screw
1 114 8058 114 8058 Rubber Boot
1 195 2590 195 2590 Trim Plate
1 1540110 1540110 Hardware Kit
1 1010010 1010010 Ignition Block Adapter
1 1120007 1120007 Ignition Block
1 2280062 2280062 Spacer
2 2720008 2720008 Screw, 6-32 x 7/16
2 2720009 2720009 Screw, 6-32 x 5/8
SHIFTER INSTALLATION
1. Place factory shifter in NEUTRAL position. Disconnect and
remove stock linkage. Remove stock column shift lever by
driving pin out.
STEERING COLUMN LOCK-BACKDRIVE LINKAGE
MODIFICATION FOR 1969 & LATER VEHICLES.
Steering column lock activated by the shifting linkage must
be modified as follows: Secure the 1st/REVERSE lever
(located at the front of steering column, ahead of firewall in
engine compartment,) in its REVERSE position so it cannot
move. This will allow column to “LOCK” when the ignition
key is turned to the “OFF” position and withdraw freely out
of lock.
The SAFETY IGNITION BLOCK device supplied with this kit
MUST be installed as shown on page 4.
2. Remove Mr. Gasket shifter from mounting bracket. Be
careful when removing, as internal components of shifter
mechanism will become loose and may separate from
housing. Install bracket to transmission as shown.
NOTE: Three basic brackets (items 3, 4 & 5) are used in all
installations to mount the shifter. You may have to bend
or trim some of the brackets for clearance purposes and
to help ease assembly. Three optional pieces (items 6, 7 &
8) are used when it is necessary to clear obstructions on
trans-mission extension housing. Assemble using 5/16-24
X 1” hex head bolts, lockwashers and hex nuts supplied.
REFER TO FIG. 1.
Vehicles equipped with an Overdrive Transmission have
a cross-member support located underneath the floorboard, this may interfere with the shifter installation. Cut
a section of the cross-member support out of floorboard
or trim the shifter mounting bracket for clearance.
Overdrive Transmission installations may require using
optional support pieces (items 6, 7 & 8).
7666 7667
Qty. Part No. Part No. Description
7666 - Universal Floor Shift Conversion Kit, Fits Most
Rear-Wheel Drive Passenger Car Applications
With 3-Speed Manual Transmissions
7667 - Universal Floor Shift Conversion Kit, Fits Most
Pick-Up Truck Applications With 3-Speed Manual
Transmissions
Page 2
NOTE: 1/2” diameter flatwashers are supplied to be used as
spacers between the mounting brackets and transmission
flange. Longer length 7/16” diameter bolts are supplied if
needed.
Tighten all bolts and nuts after brackets have been
assembled. REFER TO FIG. 2.
3. Remove stick from shifter mechanism. Select one of the
holes in the side of mounting bracket, depending on location of seat and dashboard, to fasten shifter mechansim.
Punch a small hole up through the floor tunnel in line
with the selected hole in the mounting bracket. Drill a
series of holes through floor tunnel to create a 2-1/2”
diameter opening. Deburr opening using a file. Enlarge
opening if necessary for shifter installation. Attach stick
to shifter mechanism using two (2) 3/8-16 X 1” hex head
bolts and lockwashers supplied. Tighten bolts securely.
4. Fasten shifter to the selected holes in mounting bracket
and tighten securely. Shifter mechanism should be
centered between dash and seat.
TRANSMISSION ARM/LINKAGE ROD INSTALLATION
1. Be sure both transmission control shafts are in the
NEUTRAL position (REFER TO FIG. 3). Remove stock
transmission arms and select the correct arms for
transmission that is being used. REFER TO FIG. 4.
FLAT ARMS FOR MILLED TRANSMISSION CONTROL SHAFTS
Use the slots that locate arms in the most vertical position
in NEUTRAL. Refer to illustration (FIG. 3) that shows
positions and rotation of transmission control shafts.
Transmission arms should be in the most vertical position
when both control shafts are in NEUTRAL. Use factory
hardware to fasten arms to control shafts.
90 DEGREE ARMS FOR ROUND TRANSMISSION CONTROL SHAFTS
A groove must be filed in the round control shafts to accept
the “U” bolt that secures transmission arms. To locate
correctly, install transmission arms onto control shafts in
the most vertical position in NEUTRAL. Align and mark the
area that must be modified, create a groove using a 3/8”
diameter round coarse file. Make grooves in both control
shafts in similar manner. CAUTION: Do not file slots too
deep. REFER TO FIG. 5.
Use “U” bolts and hex nuts supplied to fasten arms to
control shafts. REFER TO FIG. 4.
2. Assemble threaded rod buttons onto linkage rods and
connect linkage rods to transmission arms and shifter
levers. Notice there are two (2) holes in the transmission
arms and two (2) holes in each lever of the shifter
mechanism. Use the combination of holes that allow
adequate clearance for linkage rods and desired travel
of the shifter stick. If a linkage rod needs to be longer, a
threaded rod 9-1/2” long is included with a coupling to
extend the linkage rod length. Grind off any part of
transmission arms that interfere with operation.
With both control shafts in NEUTRAL, adjust the rod
buttons on linkage rods to bring the levers of the shifter
assembly exactly parallel to each other. Check the
position of shifter stick to be sure that it is not located
too far forward or too far back. If necessary, adjust rod
buttons equally in required direction to relocate the
position of the stick. Cut off any excess length of rod
beyond rod buttons that may interfere with shifter
operation. REFER TO FIG. 6.
3. Fasten linkage securely using supplied spring clips.
Test shifter (DO NOT START ENGINE), stick should
move smoothly through entire gear pattern. If shifting is
difficult, shifter levers may not be parallel. Place shifter in
NEUTRAL position. Disconnect linkage and be sure both
arms are in NEUTRAL (rotate arms to NEUTRAL position).
Adjust rod buttons to bring both levers parallel.
Reassemble linkage and test shifter.
4. SHIFTER STICK ANGLE ADJUSTMENT - Observe stick
from driver’s seat, stick position should be centered
between dash and seat in NEUTRAL position. The stick
angle can be adjusted forward or rearward for clearance
purposes if necessary. Adjust shifter mechanism to obtain
desired stick angle. Tighten two (2) 5/16 bolts securely
that fasten shifter to mounting bracket.
5. GEAR SHIFT STOP BOLT ADJUSTMENT - Place shifter
stick in 2nd gear, turn rear stop bolt in until it contacts
the 2nd/3rd lever of shifter mechanism, backout stop bolt
1/2 turn and tighten hex jam nut. Place shifter stick in 3rd
gear, turn front stop bolt in until it contacts the 2nd/3rd
lever of shifter mechanism, backout stop bolt 1/2 turn and
tighten hex jam nut.
6. Remove knob, slide boot and trim plate down to floor.
Use trim plate as template and drill holes through floor
tunnel. Fasten boot using four (4) #10 x 1” pan head
screws supplied.
7. IMPORTANT: Lubricate all moving shifter components
thoroughly using moly base grease on a regular basis
to ensure smooth shifting operation.
FIG. 1
OPTIONAL FASTENING
SLOTS USED WHEN THE
OPTIONAL PIECES ARE
USED. EXCESS LENGTH
CAN BE TRIMMED OFF.
OPTIONAL
PIECES
OPTIONAL
PIECE
FIG. 1:Three basic brackets (items 3, 4 & 5) are used in all installations.
The other three parts (items 6, 7 & 8) are used only when necessary
to clear obstructions on the transmission extension housing. Use the
stock transmission bolts to fasten brackets to transmission. Other
hardware is supplied with this kit to complete the installation.
FIG. 2
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TRUCK INSTALLATION
FIG. 4
FIG. 5
USE THE SLOTS THAT LOCATE ARMS IN
THE BEST POSITION.
ARMS FOR MILLED
CONTROL SHAFTS
ARMS FOR ROUND
CONTROL SHAFTS
FILED
SLOT
FILED
SLOT
NEUTRAL
IMPORTANT
DO NOT FILE SLOTS TOO DEEP.
SLOTS SHOULD BE JUST DEEP
ENOUGH TO MAKE FULL CONTACT.
90°
HOLD FILE PARALLEL
TO ROD AT RIGHT
ANGLE TO AXIS OF ARM.
ROTATE SHAFT
TO ALLOW
FILING OF SLOT
SHAFT
FIG. 6
BOTH ARMS
AT NEUTRAL
ADJUST ROD BUTTONS ON
LINKAGE TO MAKE SHIFTER
LEVERS LINE UP PARALLEL
CUT OFF EXCESS
LENGTH BEYOND
ROD BUTTONS
KNOB
JAM NUT
TRANS-
MISSION
ARMS
ROD
BUTTONS
LINKAGE RODS
LOWER
SUPPORT
SPRING
CLIPS
STIFFENER
BRACE
SHIFTER
ASSEMBLY
MOUNTING
BRACKET
Shifter Diagram Showing All Parts
CAR INSTALLATION
KNOB
JAM NUT
TRANSMISSION ARMS
ROD
BUTTONS
LINKAGE RODS
LOWER
SUPPORT
SPRING
CLIPS
STIFFENER
BRACE
SHIFTER
ASSEMBLY
MOUNTING
BRACKET
Shifter Diagram Showing All Parts
FIG. 3
NEUTRAL IS THE MID-POINT
BETWEEN FULL TRAVEL (ROTATION)
FRONT
2ND/3RD
CONTROL
SHAFT
SIDE OF
TRANSMISSION
1ST-REVERSE
CONTROL
SHAFT
Page 4
INSTALLATION & OPERATING INSTRUCTIONS
SAFETY IGNITION BLOCK
This is a positive device that assures that manipulation of
the ignition key switch to the “LOCK” position must be
intentional. It is provided for your safety and is to be
installed on the steering column housing as directed by
these instructions. Its purpose is to prevent accidental
locking of the steering column when vehicle is in motion.
Ignition key operation after installation of the Ignition Block
is different only at the “OFF” position of the key switch. Key
switch can be turned from LOCK to IGNITION simply by
turning the key switch. The angle of the blade causes it to
slide out of the way automatically. The blade of the Ignition
Block must be retracted before the key switch can be turned
back to “LOCK” position. The location of the installation
depends on the space allowed near switch. Mount the
Ignition Block above key switch if practical. Mount it below
key switch, if necessary. The drawings on this page show
the two mounting positions. The directions for mounting
follow on this page.
1. Rotate the ignition switch to OFF position to determine
location for mounting. The OFF position can be detected
by feeling when it is reached. Place the Ignition Block
in position where the straight edge of the blade will be
in position to obstruct rotation of key switch past OFF
position to return back to LOCK position. Switch will be
free to turn from OFF to ON, and to START positions. The
Ignition Block must be mounted so that the tip of the
blade is far enough beyond the ear of the ignition key
switch to cause positive obstruction.
2. Hold Ignition Block in the position determined in
paragraph 1, and use the mounting holes as guides for
drilling holes in steering column housing. Use a #32
drill (number drill - .116” diameter) to drill two holes to
a depth of 9/32”. Do not drill deeper than 9/32” deep.
3. Fasten Ignition Block to column housing. Two different
spacers are supplied with Ignition Block. Use the thin
foam spacer when Ignition Block is installed above the
ignition key switch - use the thicker plastic spacer when
installing below the ignition key switch. The shorter
screws supplied are used when Ignition Block is mounted
above the key switch with the thin foam spacer. The
longer screws are used with the thicker plastic spacer.
The screws are self-tapping. Use slight pressure to start
cutting thread with the first turn of screwdriver only.
Simply rotate screws through remaining depth of holes.
CAUTION
DO NOT TIGHTEN SCREWS EXCESSIVELY AS THE
STEERING COLUMN HOUSING IS SOFT.
LIMITED WARRANTY
Your Mr. Gasket product is warranted for 90 days from date
of purchase against defects in material and workmanship.
During this period such defects will be repaired, or the product will be exchanged at Mr. Gasket’s option without charge.
This warranty does not cover damage caused by misuse,
alteration or negligence. ALL IMPLIED WARRANTIES,
INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES
OF FITNESS AND MERCHANTABILITY ARE LIMITED IN
DURATION TO A PERIOD ENDING WITH THE PERIOD OF THE
CORRESPONDING EXPRESS LIMITED WARRANTY, AS SET
FORTH BELOW UNDER NO CIRCUMSTANCES WILL MR.
GASKET BE RESPONSIBLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING FROM OR IN CONNECTION
WITH THE INSTALLATION OR USE OF ANY MR. GASKET
PRODUCT.
PRODUCTS CATALOGED FOR “STREET” USE ARE NOT
COVERED BY THIS WARRANTY IF USED FOR RACING.
Some states do not allow limitations on how long an
implied warranty lasts or do not allow for the exclusion
or limitation of incidental or consequential damages, so
the above limitations may not apply to you. This Warranty
gives you specific legal rights, and you may also have other
rights which vary from state to state. Return of the Product
Registration Card is not a condition precedent to Warranty
coverage and performance.
PRODUCTS CATALOGED FOR “STREET” USE ARE NOT
COVERED BY THIS WARRANTY IF USED FOR RACING.
SEND PRODUCT (POSTAGE PREPAID) TO:
MR. GASKET CO.
10601 Memphis Ave., #12
CLEVELAND, OH 44144
Attention: Technical Service Department
Please write a letter explaining the nature of your difficulty.
In the event you have any questions concerning use and
care of the product, or concerning service, please write
Mr. Gasket at the above address.
HOW TO GET QUICK SERVICE
1. Pack your Mr. Gasket product carefully in a good carton
with plenty of newspapers or excelsior padding all around
it, and tie securely. Damage in transit is not covered by
the warranty.
2. Carefully print on the carton the name and address of
Mr. Gasket above. Don’t forget your return address.
3. Enclose a letter showing service desired in an envelope
addressed to Mr. Gasket as above. In your letter please
be sure to send a copy of the sales receipt, your full name
and address and the service or repairs desired.
4. PASTE ENVELOPE TO PACKAGE.
5. Put First Class stamp on envelope, and Parcel Post
stamps on package then mail. (The Post Office will tell
you the proper amount of postage and ensure you
against loss in the mail.)
PN 159 8521/8522 Visit us on the web at: www.mrgasket.com ©2001 by MR. GASKET CO.
LOWER
MOUNTING
MOUNT BLOCK TO
LOCATE STRAIGHT
EDGE OF BLADE IN
FRONT OF LOWER
EAR OF IGNITION
SWITCH IN “OFF”
POSITION
IGNITION
BLOCK
BLADE
KEY
IGNITION
SWITCH
USING THE HOLES IN
IGNITION BLOCK AS
GUIDES FOR DRILLING
– PARAGRAPH 2
CAUTION –
DO NOT DRILL
DEEPER THAN
9/32"
TOP MOUNTING
MOUNT BLOCK TO
LOCATE STRAIGHT
EDGE OF BLADE TO
REAR OF TOP EAR OF
IGNITION SWITCH IN
“OFF” POSITION
TOP
MOUNTING
KEY
IGNITION
SWITCH
IGNITION
BLOCK
BLADE
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