GM Service Manual Online
For 1990-2009 cars only

Relative Humidity (%)

Ambient Air Temperature °F (°C)

Maximum Low Side Pressure PSIG (kPaG)

Engine Speed (RPM)

Maximum Right Center Air Outlet Temperature °F (°C)

Maximum High Side Pressure PSIG (kPaG)

20

71 (21)

80 (27)

90 (32)

100 (38)

21 (221)

32 (221)

32 (221)

33 (228)

2000

43 (6)

44 (7)

50 (10)

51 (11)

175 (1207)

225 (1551)

275 (1896)

275 (1896)

30

70 (21)

80 (27)

90 (32)

100 (38)

32 (221)

32 (221)

34 (234)

38 (262)

2000

45 (7)

47 (8)

54 (12)

57 (14)

190 (1310)

235 (1620)

290 (2000)

310 (2137)

40

70 (21)

80 (27)

90 (32)

100 (32)

32 (221)

32 (221)

37 (255)

44 (303)

2000

46 (8)

50 (10)

57 (14)

63 (17)

210 (1448)

255 (1758)

305 (2103)

345 (2379)

50

70 (21)

80 (27)

90 (32)

100 (38)

32 (221)

34 (234)

41 (283)

49 (338)

2000

48 (9)

53 (12)

60 (16)

69 (21)

225 (1551)

270 (1862)

325 (2241)

380 (2620)

60

70 (21)

80 (27)

90 (32)

100 (38)

32 (221)

37 (255)

44 (303)

55 (379)

2000

50 (10)

56 (13)

63 (17)

75 (24)

240 (1655)

290 (2000)

340 (2344)

395 (2724)

70

70 (21)

80 (27)

90 (32)

32 (221)

40 (276)

48 (331)

2000

52 (11)

59 (15)

67 (19)

255 (1758)

305 (2103)

355 (2448)

80

70 (21)

80 (27)

90 (32)

36 (248)

43 (296)

52 (356)

2000

53 (12)

62 (17)

70 (21)

270 (1862)

320 (2206)

370 (2551)

90

70 (21)

80 (27)

40 (276)

47 (324)

2000

55 (13)

65 (18)

285 (1965)

335 (2310)