Here is That TQ 30 Camshaft . Not sure if they still Grind it . Mid Lift Lot's of Lobe Center has a Built in 6deg Advance . Camshaft Spec's not to far off from the G.M L-82 Camshaft .

Fair idle and fuel efficiency. Strong mid-range performance. Works best with 4-barrel,
headers, 4-speed manual transmission and low gears.

2,750- E113221 310° IN 226° IN .462" IN 114° Lobe Center 6° Advance
5,750 TQ30H 310° EX 226° EX .462" EX