121
Approx. Valve Lash: .009"

36-38 Degrees BTDC

This large duration cam was designed for the large opens having 16 plus cubic inches or more. Primary usage is for dragsters with torque converters.
Recommended Class: Jr. Drag / Open
Target (Max) RPMs: 9600
Spring Pressure (In / Ex): 36-38 lbs / 36-38 lbs

Intake

Exhaust
 020 44  BTDC
 050 33.5  BTDC
 100 20.5  BTDC
 150 8.5  BTDC
 200 2.5  ATDC
 250 14.5  ATDC
 300 28  ATDC
 350 44  ATDC
 MAX LIFT .438  INCH
 350 11.5  BBDC
 300 4.5  ABDC
 250 18  ABDC
 200 30  ABDC
 150 41  ABDC
 100 52.5  ABDC
 050 65.5  ABDC
 020 75.5  ABDC
 IN OPEN 50  BTDC
 IN CLOSE 81  ABDC
 APR LASH .009  INCH
 IN C/L 106  ATDC
 DUR AT 050 278.5  DEG
 020 78  BBDC
 050 68.5  BBDC
 100 55.5  BBDC
 150 44  BBDC
 200 33  BBDC
 250 21  BBDC
 300 7  BBDC
 350 9.5  ABDC
 MAX LIFT .433  INCH
 350 47  BTDC
 300 30.5  BTDC
 250 16.5  BTDC
 200 4.5  BTDC
 150 7  ATDC
 100 18.5  ATDC
 050 31.5  ATDC
 020 41.5  ATDC
 EX OPEN 83  BBDC
 EX CLOSE 47  ATDC
 APR LASH .009  INCH
 EX C/L 108.5  BTDC
 DUR AT 050 279.5  DEG


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