128
Approx. Valve Lash: .008"

36-38 Degrees BTDC

The 128 is recommended for a .563 stroke, 3 inch+ bore. It is for the guys who want a 500+ lift range in an Open, or Junior Dragster. This cam is hard on the valve train.

Recommended Class: Jr. Drag / Open
Target (Max) RPMs: 10000
Spring Pressure (In / Ex): 36-38 lbs / 36-38 lbs

Intake

Exhaust

 020 42.6  BTDC
 050 34.6  BTDC
 100 24.2  BTDC
 150 14.5  BTDC
 200 4.7  BTDC
 250 5.6  ATDC
 300 16.6  ATDC
 350 28.9  ATDC
 MAX LIFT .507  INCH
 350 7.3  ABDC
 300 19.6  ABDC
 250 30.6  ABDC
 200 40.9  ABDC
 150 50.7  ABDC
 100 60.4  ABDC
 050 70.8  ABDC
 020 78.8  ABDC
 IN OPEN 49  BTDC
 IN CLOSE 85  ABDC
 APR LASH .008  INCH
 IN C/L 108  ATDC
 020 78.8  BBDC
 050 70.7  BBDC
 100 60.3  BBDC
 150 50.6  BBDC
 200 40.8  BBDC
 250 30.5  BBDC
 300 19.2  BBDC
 350 7.2  BBDC
 MAX LIFT .507  INCH
 350 28.7  BTDC
 300 16.4  BTDC
 250 5.4  BTDC
 200 4.9  ATDC
 150 14.7  ATDC
 100 24.4  ATDC
 050 34.8  ATDC
 020 42.8  ATDC
 EX OPEN 85  BBDC
 EX CLOSE 49  ATDC
 APR LASH .008  INCH
 EX C/L 108  BTDC


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