Have you got the calvert shocks, i've just bought a pair and on extension, they are very easy to pull out by hand compared to the ce shocks i've just took off.
If they improve the car i will let you know.
Mine only 60 ft's between 1.48-50 best 1.46.
Mick

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