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Engine Block Heater > < Main Bearing Torque Specifications
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Crankshaft: Specifications
Crankshaft Dimensions

Engine Liter/CID .............................................................................................................................................................................................  4.3L/V6-262

All specifications given in inches.

Crankshaft Journals

Main Bearing Journal Diameter  .............................................................................................................................................................................  [11]
Connecting Rod Journal Diameter
 ..........................................................................................................................................................  2.2487-2.2497
Maximum Out Of Round All .................................................................................................................................................................................  .0010
Runout Service Limit ................................................................................................................................................................................................  [02]

Bearing Clearance

Main Bearings ............................................................................................................................................................................................................  [07]
Connecting Rod Bearings
 .............................................................................................................................................................................  .0010-.0030

Connecting Rods

Pin Clearance .................................................................................................................................................................................................  0008-.0016
Side Clearance ...............................................................................................................................................................................................  .0060-.0170

[02] If main journals are misaligned, crankshaft is bent & must be replaced.
[07] Production: Front, .0008-.0020 inch; intermediate, .0011-.0023 inch; rear, .0017-.0032 inch. Service: Front, .0010-.0015 inch; intermediate,

.0010-.0025 inch; rear, .0025-.0035 inch.

[11] Front, 2.4488-2.4495 inches; intermediate, 2.4485-2.4494 inches; rear, 2.4480-2.4489 inches.

Engine Block Heater > < Main Bearing Torque Specifications