2K3 - Profile/Spec Sheet

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INTAKE LOBE   EXHAUST LOBE
   
0.050 4.5 BTDC 0.050 36.5 BBDC
0.100 11 ATDC 0.100 20 BBDC
0.150 30 ATDC 0.150 1.5 BBDC
0.200 56 ATDC 0.200 22 ABDC
.2325 MAX LIFT .2325 MAX LIFT
0.200 34 BBDC 0.200 66 BTDC
0.150 8 BBDC 0.150 41 BTDC
0.100 11 ABDC 0.100 22 BTDC
0.050 29 ABDC 0.050 6 BTDC
 
IN OPEN 16.5 BTDC   EX OPEN 50 BBDC
IN CLOSE 75 BTDC EX CLOSE 16 ATDC
EZ START 52 ABDC EZ SPIN DUR. 36  
EZ STOP 88 ABDC EZ SPIN LIFT .015
IN CL 101   EX CL 111.5
APR LASH .006 APR LASH .005

Part #: PC 2K3
Grind #: 2141232D   210E2325
Engine Info: Briggs Stock 5HP
Rocker Arm Ratio: N/A

  OPENS @ CLOSES @ APP. LASH (COLD) CENTER LINE MAX LIFT ADVERTISED DURATION
INTAKE 16.5 75 .006 *101  .2325 301.50
EXHAUST 50 16 .006 *111.5  .2325 246.00

CLASS IGN. TIMING RECOMMENDED RPM RANGE
WITH MATCHING COMPONENTS
SPRING PRESSURE
INTAKE EXHAUST
IGN. TIMING
STOCK 30 6,400 - 7,200 20 20 .390
.575
RESTRICTED		 30 5,800 - 6,600 18 18 .380
.500
RESTRICTED		 31 5,200 - 6,400 17 17 .360
.425
RESTRICTED		 32 5,000 - 6,200 16 16 .370
SUPERSTOCK 31 7,200 - 8,000 21 21 .380

*FOR THIS CAM TO PROFILE CORRECTLY, THE CENTER
LINES MUST BE WITHIN ONE DEGREE

Use PC 1.410 springs with .425 & .500 restricted
Use PC 1.450 springs with .575 restricted
Use PC 1.485 springs with Stock & Superstock

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