Crane 2031 or the TFS Stage 1, both are extremely similar and very good cams - the TFS has more duration on the intake.
The 2031 was designed around the Cobra/Lightning GT40 Cylinder Head.
Crane Powermax 2031 (formerly the Compucam 2031)
GOOD MID-RANGE TORQUE AND HP, DESIGNED FOR USE WITH 1.7 RATIO ROCKERS AND MASS AIRFLOW STYLE F.I. ENGINES WITH AFTERMARKET INTAKE, HEADS, EXHAUST AND CENTRIFUGAL STYLE BLOWER BENEFITS BEST: 5-SPD OR AUTO W/MILD STALL CONVERTER. (50 STATE LEGAL 85-93, C.A.R.B. E.O. D-225-46) BASIC RPM 2000-5500
FIRING ORDER: 1-3-7-2-6-5-4-8 FOR USE WITH 1.7 ROCKER ARMS
214/220 @ .050 .513/.529 112 LSA
TFS Stage 1
221/225 @ .050 .499/.510 112 LSA (with 1.6 cam)