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Old 10-31-2010, 07:22 PM
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Default Main and Rod Bearings instruction picture.

I'm in the process of replacing a crankshaft on a 99 blazer 4.3. I have the new crank and matching bearings. I have the torgue spec . Can't find a book with specific instruction as to position of bearings. Any help would be speediely appreciated.
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Old 10-31-2010, 08:11 PM
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Connecting Rod Nut First Pass 20 ft.lb Final Pass 70 deg. Connecting Rod Bearing Clearance (Production) 0.0015 - 0.0031 inConnecting Rod Bearing Clearance (Service) 0.0010 - 0.0030 inConnecting Rod Side Clearance 0.006 - 0.017 in
Crankshaft Bearing Cap Bolt (Preferred Method) First Pass 15 ft.lbFinal Pass 73 deg. Crankshaft Bearing Cap Bolt (Optional Strategy) 77 ft.lbCrankshaft Bearing Clearance (Journal #1 - Production) 0.0008 - 0.0020 inCrankshaft Bearing Clearance (Journal #2,#3, and #4 - Production) 0.0011 - 0.0023 inCrankshaft Bearing Clearance (Journal #1 - Service) 0.0010 - 0.0020 inCrankshaft Bearing Clearance (Journal #1, #2, #3, and #4 - Service) 0.0010 - 0.0250 inCrankshaft End Play 0.002 - 0.008 inCrankshaft Journal Diameter (Journal #1) 2.4488 - 2.4495 inCrankshaft Journal Diameter (Journal #2 and #3) 2.4485 - 2.4494 inCrankshaft Journal Diameter Journal #4 2.4480 - 2.4489 inCrankshaft Journal Out Of Round Production 0.0002 in
Note: MaximumService 0.0010 in
Note: MaximumCrankshaft Journal Taper Production 0.0003 in
Note: MaximumCrankshaft Runout 0.0010 in
Note: MaximumConnecting Rod Journal Diameter 2.2487 - 2.2497 inConnecting Rod Journal Taper Production 0.00030 in
Note: MaximumService 0.0010 in
Note: MaximumConnecting Rod Journal Out-of-Round Production 0.0002 in
Note: MaximumService 0.0010 in
Note: Maximum
Old 10-31-2010, 08:11 PM
 
 
 
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01, 43, 99, bearin, bearing, blazer, check, chevy, clearance, connecting, crankshaft, diameter, mains, rod, rods, sbc


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