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DEGREE KEY
INSTALLATION INSTRUCTIONS
FORM 1016M 09/03
www.mrgasket.com
MALLORY IS A DIVISION OF THE MR. GASKET PERFORMANCE GROUP
10601 MEMPHIS AVE. #12, CLEVELAND, OH 44144
216.688.8300 FAX 216.688.8306
FORM 1016M
09/03
Made in U.S.A.
Printed in U.S.A.
The enclosed degree key adjusts the total
advance in your Mallory®distributor with
“YL” style advance. Most Mallory®8 cylinder
distributors come preset from the factory with
24 total crankshaft degrees advance. If more or
less degrees of advance are desired, follow
instructions for adjustment.
1. Remove contact point plate or Unilite®plate from
distributor.
2. Remove E-clip and washer from distributor
(“A” in Fig. 1A).
3. Remove advance plate assembly “B”.
4. Loosen screws marked “D” so advance control
arms “C” can be moved.
5. Insert degree key into advance slot to desired
total advance (advance shown on degree key
is in crankshaft degrees of advance as shown in
Fig. 1B). Push arms “C” tight against advance key
and lock screws “D”. Set both advance control
arms “C” the same.
6. Re-assemble advance plate assembly to shaft.
The advance weights will have to be moved out
so advance pins fit into advance plate slots
properly. (NOTE: There is a small shim washer on
shaft which may come off shaft when advance
plate and cam are removed. Be sure this shim
washer is installed on the shaft before re-installing
advance plate and cam assembly.)
7. Re-install washer and E-clip “A” over advance
plate.
8. Re-install contact point plate or Unilite
®
plate.
POINTS MUST BE RESET. Refer to distributor
instructions for proper setting. Rev-Pol®and
Double Life Distributor®Points must be set on
a distributor test machine for proper setting
and synchronization.
9. Re-install rotor.
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