Paul Bickle's "Polars Of Eight" test got these results from a Cirrus:

best L/D 37:1

6.5 lb/square ft. loading at 878lb.
knots - fpm.
40 -138
50 -136
60 -173
70 -230
80 -319
90 -430
100 -577
110 -766

8.06 lb/square ft. loading at 1093lb.
knots - fpm.
40 -N/A
50 -141
60 -168
70 -213
80 -278
90 -362
100 -472
110 -624