2K5 - Profile/Spec Sheet

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INTAKE LOBE   EXHAUST LOBE
   
0.050 3 BTDC 0.050 37 BBDC
0.100 12 ATDC 0.100 21 BBDC
0.150 30 ATDC 0.150 2 BBDC
0.200 55.5 ATDC 0.200 22 ABDC
.2325 MAX LIFT .2325 MAX LIFT
0.200 35 BBDC 0.200 67 BTDC
0.150 9 BBDC 0.150 48 BTDC
0.100 11 ABDC 0.100 24 BTDC
0.050 29 ABDC 0.050 5 BTDC
 
IN OPEN 16 BTDC   EX OPEN 52 BBDC
IN CLOSE 72 BTDC EX CLOSE 17 ATDC
EZ START 52 ABDC EZ SPIN DUR. 33  
EZ STOP 85 ABDC EZ SPIN LIFT .016
IN CL 100.5   EX CL 111.5
APR LASH .005 APR LASH .004

Part #: PC 2K5
Grind #:2K523251 2K5E2329E
Engine Info: Briggs Stock 5HP
Rocker Arm Ratio: N/A

  OPENS @ CLOSES @ APP. LASH (COLD) CENTER LINE MAX LIFT ADVERTISED DURATION
INTAKE 16 72 .005 100.5 .2325  
EXHAUST 52 17 .004 *111.5  .2320 249.00
             

CLASS IGN. TIMING RECOMMENDED RPM RANGE
WITH MATCHING COMPONENTS
SPRING PRESSURE
INTAKE EXHAUST
 IGN. TIMING
STOCK 30-34 6,400 - 7,200 21 19 .400
.575
RESTRICTED		 30 5,800 - 6,600 20 19 .400
.500
RESTRICTED		 31 5,200 - 6,400 18 17 .385
.425
RESTRICTED		 32 5,000 - 6,200 18 17 .385
SUPERSTOCK 31 7,200 - 8,000 22 21 .385


Use PC 1.450 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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