458
Approx. Valve Lash: .009"

34-36 Degrees BTDC

This cam is designed for the Limited Modified racer who wants power up to the 9800+ RPM range. Works well for Open Modified too.
Recommended Class: Limited / Open
Target (Max) RPMs: 10000
Spring Pressure (In / Ex): 36 lbs / 38 lbs

Intake

Exhaust
 020 38.5  BTDC
 050 29.2  BTDC
 100 17.5  BTDC
 150 6.8  BTDC
 200 3.8  ATDC
 250 15  ATDC
 300 27.4  ATDC
 350 41.6  ATDC
 MAX LIFT .457  INCH
 350 5.5  BBDC
 300 8.7  ABDC
 250 21.1  ABDC
 200 32.3  ABDC
 150 43  ABDC
 100 53.6  ABDC
 050 65.3  ABDC
 020 74.8  ABDC
 IN OPEN 43.5  BTDC
 IN CLOSE 82  ABDC
 APR LASH .007  INCH
 IN C/L 108  ATDC
 DUR AT 050 274.5  DEG
 020 77.3  BBDC
 050 68.2  BBDC
 100 56.5  BBDC
 150 45.9  BBDC
 200 35.2  BBDC
 250 23.9  BBDC
 300 11.6  BBDC
 350 2.7  ABDC
 MAX LIFT .457  INCH
 350 44.6  BTDC
 300 30.3  BTDC
 250 17.9  BTDC
 200 6.7  BTDC
 150 4.0  BTDC
 100 14.6  ATDC
 050 26.3  ATDC
 020 36.0  ATDC
 EX OPEN 82.5  BBDC
 EX CLOSE 43.5  ATDC
 APR LASH .009  INCH
 EX C/L 111  BTDC
 DUR AT 050 274.5  DEG


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