No 7 was right under the header, so fairly hard to get the fitting on, anyway i thought i'll do that cylinder again today and got 110 dry, 120 wet ?
I picked a fresh set of plugs up today.

69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36