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Piston and Ring Specifications
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1989 - 1991Gasoline Engines
VIN Engine
L		 Piston
Clearance		 Ring Gap

Ring Side Clearance

Top
Comp

Bottom
Comp		 Oil
Control 		Top
Comp		 Bottom
Comp		 Oil
Control
K 2.5 0.0005-
0.0015 		0.010-0.021 0.011-0.021 0.015-
0.035		 0.0015-
0.0031		 0.0002-
0.0080 		NA
X 3.9 0.0005-
0.0015 		0.010-0.020 0.010-0.020 0.015-
0.055		 0.0015-
0.0030 		0.0015-
0.0030 		0.0002-
0.0050
Y 5.2 0.0005-
0.0015 		0.010-0.020 0.010-0.020 0.015-
0.055		 0.0015-
0.0030		 0.0015-
0.0030		 0.0002-
0.0050
5, W,
Z		 5.9 0.0005-
0.0015 		0.010-0.020 0.010-0.020 0.015-
0.055		 0.0015-
0.0030		 0.0015-
0.0030		 0.0002-
0.0050
1992 Gasoline Engines
VIN Engine
L		 Piston
Clearance		 Ring Gap

Ring Side Clearance

Top
Comp

Bottom
Comp		 Oil
Control 		Top
Comp		 Bottom
Comp		 Oil
Control
K 2.5 0.0005-
0.0015 		0.010-0.021 0.011-0.021 0.015-
0.035		 0.0015-
0.0031		 0.0002-
0.0080 		NA
X 3.9 0.0005-
0.0015 		0.010-0.020 0.010-0.020 0.015-
0.055		 0.0015-
0.0030 		0.0015-
0.0030 		0.002-
0.005
Y 5.2 0.0005-
0.0015 		0.010-0.020 0.010-0.020 0.015-
0.055		 0.0015-
0.0030		 0.0015-
0.0030		 0.002-
0.005
5, Z 5.9 0.0005-
0.0015 		0.010-0.020 0.010-0.020 0.015-
0.055		 0.0015-
0.0030		 0.0015-
0.0030		 0.002-
0.005
1993 Gasoline Engines
VIN Engine
L		 Piston
Clearance		 Ring Gap

Ring Side Clearance

Top
Comp

Bottom
Comp		 Oil
Control 		Top
Comp		 Bottom
Comp		 Oil
Control
K 2.5 0.0005-
0.0015 		0.010-0.021 0.011-0.021 0.015-
0.035		 0.0015-
0.0031		 0.0002-
0.0080 		NA
X 3.9 0.0005-
0.0015 		0.010-0.020 0.010-0.020 0.015-
0.055		 0.0015-
0.0030 		0.0015-
0.0030 		0.002-
0.008
Y 5.2 0.0005-
0.0015 		0.010-0.020 0.010-0.020 0.015-
0.055		 0.0015-
0.0030		 0.0015-
0.0030		 0.002-
0.008
5, Z 5.9 0.0005-
0.0015 		0.010-0.020 0.010-0.020 0.015-
0.055		 0.0015-
0.0030		 0.0015-
0.0030		 0.002-
0.008

This page would not have been possible without the help of Hank LaViers,
who graciously loaned me his extensive Mopar engine library

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Last Update: April 12, 2000