Town Car V8-4.6L VIN W (1997)
Connecting Rod: Specifications
Connecting Rod, Engine
General
Bearing Bore ............................................................................................................................................. 56.756-56.876 mm (2.234488-2.239212 inch)
Bend Limit [2].................................................................................................................................. 0.038 mm per 25 mm (0.001496 in per 0.9843 inch)
Length [1]..................................................................................................................................................................................... 150.7 mm (5.9331 inch)
Piston Pin Bore ......................................................................................................................................... 21.959-21.979 mm (0.864528-0.865315 inch)
Side Clearance
Standard .................................................................................................................................................... 0.015-0.45 mm (0.000591-0.017717 inch)
Limit (Maximum) ................................................................................................................................................................ 0.50 mm (0.019685 inch)
Twist Limit [2]................................................................................................................................. 0.050 mm per 25 mm (0.001969 in per 0.9843 inch)
Tightening Specifications
Tighten nuts evenly, in two steps.
Step 1 ... Alternately tighten new bolts in several passes to obtain 20-25 Nm (15-18 ft. lbs.)
Step 2 ... Alternately tighten new bolts in several passes to obtain 40-45 Nm (30-33 ft. lbs.)
Step 3 ... Rotate an additional 90-120°.
[1] Center to center.
[2] Pin bore and crank bearing bore must be parallel and in same vertical plane within the specified total difference when measured at the ends of a 203
mm (7.99211 inch) bar, 101.5 mm (3.9961 inch) on each side of rod centerline.
