WrenchSpecs.com
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Year Displacement Head Rod Main Crankshaft Flywheel Intake Exhaust
Bolts Bolts Bolts Bolt to Crank Manifold Manifold
1977-79 L4 121 65 cold 41 60 180 65 18 18
80 hot rear 47
1977-80 L6 232 110 33 80 70 100 25 25
L6 258
1981-84 L6 258 85 33 80 70-90 110 25 25
1977-79 V8 304 120 33 100 90 100 45 [1]
V8 360
1980-84 L4 151 90 33 65 160 70 35 40
note # 1 3/8 diameter bolt 25 ft. lbs.
5/16 diameter bolt 15 ft. lbs.