GM Service Manual Online
For 1990-2009 cars only

RPM

Hertz (Hz)

RPM

Hertz (Hz)

RPM

Hertz (Hz)

High Resolution Signal

700

2987

1600

6827

2500

10667

800

3413

1700

7253

2600

11093

900

3840

1800

7680

2700

11520

1000

4267

1900

8170

2800

11947

1100

4693

2000

8533

2900

12373

1200

5120

2100

8960

3000

12800

1300

5547

2200

9387

3100

13227

1400

5973

2300

9813

3200

13653

1500

6400

2400

10240

3300

14080

Cam and Crank Signal

700

47

1600

106

2500

166

800

53

1700

113

2600

173

900

60

1800

120

2700

180

1000

67

1900

126

2800

186

1100

73

2000

133

2900

193

1200

80

2100

140

3000

200

1300

89

2200

147

3100

207

1400

93

2300

153

3200

213

1500

100

2400

160

3300

220