MALLORY 90SERIES

FORM 641 (REV. B) 9/99
INSTALLATION INSTRUCTIONS
®
COMP 9000™ 90 SERIES
POINT TYPE DISTRIBUTOR
OLD DISTRIBUTOR REMOVAL
1. Disconnect distributor point wire from negative (–) side of coil.
STARTING THE ENGINE
CAUTION: Before starting the engine, be sure all tools, wires
and miscellaneous objects are clear of moving engine parts.
2. Rotate engine until timing mark on crank balancer lines up with 1. Connect a timing light. Find the area with the best view of the
TDC mark on timing tab.
timing marks.
3. Remove cap from original distributor. Rotor blade should point to 2. Crank the engine. If it fails to start, rotate the distributor in small
number one spark plug wire terminal of cap. If not, rotate engine
increments left or right until engine starts. Do not exceed more
one full turn until timing marks line up again.
than ten degrees of rotation either way.
4. Note position of rotor blade, remove hold-down clamp at distribu- 3. Set timing as recommended by the engine manufacturer, then
tor base and remove distributor from engine.
tighten the distributor hold down clamp. Make sure timing is still
correct. If timing has moved, repeat this procedure.
COMP 9000™ DISTRIBUTOR INSTALLATION
NOTE: The Comp 9000™ adjustment is preset at the factory.
1. Prepare new Comp 9000™ distributor by removing the spark
plug wire retainer and distributor cap.
MALLORY COMP 9000™ SERVICE PARTS
QTY.
DESCRIPTION
PART NO.
1
WIRE RETAINER WITH SCREWS
29744
1
DISTRIBUTOR CAP ASSEMBLY
29745
1
ROTOR ASSEMBLY, RH ROTATION
29772
1
ROTOR ASSEMBLY, LH ROTATION
29773
1
CAP ADAPTER/SHIELD ASSEMBLY W/SCREWS
29748
2
CONTACT POINT SET WITH SCREWS
102 X
NOTE. It may be necessary to turn the oil pump drive with a
long screw driver to fully seat the distributor.
1
CONDENSOR WITH BRACKET AND SCREWS
400
1
POINT WIRE HARNESS
29775
4. Install distributor hold-down clamp. Leave clamp loose enough to
rotate distributor for timing purposes.
1
DISTRIBUTOR CAM GREASE (1/4 OZ TUBE)
26015
2. Place the Comp 9000™ distributor into the engine. Do not install
clamp at this time. Raise distributor housing enough to turn rotor,
point rotor blade in direction of original rotor.
3. Seat distributor fully into engine.
5. Install Comp 9000™ distributor cap as follows: move spark plug
wires from old cap to new cap one wire at a time, starting with the
number one cylinder, attach wires to matching terminals on new
cap. Do not attach coil lead at this time.
NOTE: It may be necessary to purchase and install spark plug
wire boots and terminal kit, Mallory part number 669.
6. Install the spark plug wire retainer, then attach coil lead.
7. Attach distributor point harness to negative (–) side of coil.
MALLORY COMP 9000™ DISTRIBUTOR
90 SERIES POINT TYPE
TUNE-UP AND MAINTENANCE INFORMATION
NOTE: Turning wrench
clockwise increases
dwell angle.
POINT NO. 1
Both the red point harness lead and the orange condensor lead
must connect to this point when distributor is in this point.
MALLORY COMP 9000™
POINT ADJUSTMENT PROCEDURE
IMPORTANT: Apply a light
film of Mallory distributor
cam grease (supplied) on
surface of cam to extend
point life.
NOTE: If dwell meter is not available, set each
point gap at .018 – .020
OR
With connector unplugged, using the 8-cyl scale
on your dwell meter, adjust the setting to read
26º – 28º dwell angle. Proceed to Step 2 to attain
total dwell setting.
POINT NO. 2
Connect black point harness lead only to
this point to ensure proper distributor adjustment and performance.
NOTE: Turning wrench
clockwise increases
dwell angle.
After reinserting plug connector, adjust the second set of points to the total dwell angle setting
of 34º – 36º, again using the 6-cyl scale on your
dwell meter.
Once these two steps have been completed, you
must reset your ignition timing.
MALLORY IS A DIVISION OF THE MR. GASKET PERFORMANCE GROUP
550 MALLORY WAY, CARSON CITY, NEVADA 89701
(775) 882-6600
FAX (775) 887-4326
www.mrgasket.com
FORM #641
(REV. B) 9/99
Made in U.S.A.
Printed in U.S.A.
®
NOTICE
FORM 664A
This distributor is equipped with an O-ring. If the original distributor has a steel
gasket, discard it and use only the O-ring supplied with the Mallory distributor.
®
NOTICE
FORM 664A
This distributor is equipped with an O-ring. If the original distributor has a steel
gasket, discard it and use only the O-ring supplied with the Mallory distributor.
®
NOTICE
FORM 664A
This distributor is equipped with an O-ring. If the original distributor has a steel
gasket, discard it and use only the O-ring supplied with the Mallory distributor.
®
NOTICE
FORM 664A
This distributor is equipped with an O-ring. If the original distributor has a steel
gasket, discard it and use only the O-ring supplied with the Mallory distributor.
®
NOTICE
FORM 664A
This distributor is equipped with an O-ring. If the original distributor has a steel
gasket, discard it and use only the O-ring supplied with the Mallory distributor.