Hi Michael, carrier air group marking were in a state of flux during the month of April 1942 with changes to squadron designations seemingly coming thick and fast. I have built both a Dauntless and Wildcat from that time period - both from Carrier Air Group 6, the Enterprise. My research makes me pretty certain that CAG-6 aircraft were marked thusly:
Stars with red dot in the center
Tails with 13 red and white stripes
Fighters Marked in Sequence: F-1, F-2, etc
Dive Bombers Marked in Sequence: B-1, B-2 (Bombing Sqd) or S-1, S-2 (Scout Sqd)
Torpedo Squadron Marked in Sequence: T-1, T-2 ....
I know this is not CAG 8 of the Hornet, but there are photos of Enterprise aircraft while she was with the Hornet on the Tokyo Raid mission marked as above. It is a good assumption that the Hornet's aircraft, with the possible exception of Torpedo 8, which may well have retained the old markings 8-T-1, 8-T-2, etc. for some reason, were marked like the Big "E"'s.
Ernest