1979 Ski-Doo Supplementary Shop Manual, Page 213Get this manual
SECTION 08 SUB-SECTION 04-05
1978 BLIZZARD 6500 VM 34-184 1979 BLIZZARD 7500SUPER SON IC 340 LIC VM 34-199
TEMPERATURE OC (OF) Altitude Meters (feet) Sea level 600 (2,000) 1,200 (4,000) 1,800 (6,000) 2,400 (8,000) 3,000 (10,(00) 270 260 240 230 220 210 260 250 230 220 210 195 250 240 230 210 200 190 240 230 220 200 190 180 230 220 210 195 180 170 220 210 200 185 175 160 210 200 190 180 165 150 200 195 180 170 155 140 -45C