GM Service Manual Online
For 1990-2009 cars only

Shift Speed 5.7L LT1

Shift Speed Chart 5.7L (LT1)

 

1-2 Shift @ +/- 250 RPM Output Shaft Speed

2-3 Shift @ +/- 200 RPM Output Shaft Speed

3-4 Shift @ +/- 150 RPM Output Shaft Speed

3-1 @ +/- 100 RPM Output Shaft Speed

3-2 @ +/- 100 RPM Output Shaft Speed

3-1 Wide Open Throttle Shift

3-2 Wide Open Throttle Shift

% of TPS

10

25

50

10

25

50

10

25

50

 

 

 

 

Trans Cal

Axle Ratio

 

 

 

A

2.59

421

456

1088

772

842

2000

1123

1228

2387

N/A

632

1404

N/A

B

3.07

498

540

1079

913

954

2377

1411

1535

3901

N/A

747

1328

N/A

C

2.59

421

456

1088

772

842

2000

1123

1228

2387

N/A

632

1404

N/A