I would take the 70's every time.
Atmosphere, Characters (where are they now), Upright Engines (not the rocket bikes they have now), no Grand Prix (where is that going, I wonder?) Second Halves, where we saw a lot of the future young stars coming through (Gone).
Who is there today, British Riders, who can compare to Simmons, Collins, Jessop, Louis and Lee.
The Sport had twice the Entertainment/Excitement than it does nowadays.
I sincerely hope that Speedway in this Country can resurrect itself in to the Magnificent Sport that it used to be