318 combo
according to the internets.
Your cam should be a Heatseeker "Challenger" HS30J with the following specs:
*Idle-Fair
*Rev Range-2000 to 5800
*Trans-Any
*Gross Valve Lift- IN 442 -EX 450
*Cam Lift--IN 295- EX 300
*Adv Duration--IN 288 - EX 288
*@.050 Duration- IN 222 - EX 222
*Valve events -IN 37-71--EX 70-38
(108 LSA)
To be honest, If that is correct then there's no reason whatsoever why your cam should be a pig.