Engine Compression

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1994 GMC Yukon, 1994 GMC Suburban, 1994 GMC Pickup, 1994 GMC Cab & Chassis, and 1994 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

COMPRESSION SPECIFICATIONS

Application

Compression Ratio

4.3L VIN Z

9.05:1

5.0L (VIN H)

9.1:1

5.7L (VIN K)

⁽¹⁾ 9.1:1

7.4L (VIN N)

7.9:1

⁽¹⁾	Compression ratio is 8.3:1 for vehicles with GVW greater than 8500 lbs.