Head Casting #
09-27-2004, 11:51 PM
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Originally Posted by git_sum
Where do i have to go to get information about my heads by using my head casting #?
They have just about every number listed for blocks, heads, cranks, ect...
09-28-2004, 12:03 AM
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Originally Posted by NoseUpChromeDown
www.Mortec.com
They have just about every number listed for blocks, heads, cranks, ect...
They have just about every number listed for blocks, heads, cranks, ect...
09-28-2004, 12:20 AM
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Originally Posted by git_sum
What if the only casting number i've got is #862? All of the mortec numbers are 6-8 digits long
12556743...99......325..........Gen.III, 5.3L, aluminum, truck, van
12558806...97-98...350..........Gen.III, "LS1", aluminum, 68cc
12559853...99-up...350..........Gen.III, "LS1", aluminum, 68cc
12559895...00-up...325..........Gen.III, Vortec 5.3L
12564241...00-up...350..........Gen.III, "LS1", aluminum, 68cc
12564243...02......350..........Gen.III, "LS6", aluminum
I don't think I've ever come accross 862's
What are these from?
09-28-2004, 12:22 AM
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Originally Posted by NoseUpChromeDown
Those should be the the last three numbers. What they have listed for Gen.III:
12556743...99......325..........Gen.III, 5.3L, aluminum, truck, van
12558806...97-98...350..........Gen.III, "LS1", aluminum, 68cc
12559853...99-up...350..........Gen.III, "LS1", aluminum, 68cc
12559895...00-up...325..........Gen.III, Vortec 5.3L
12564241...00-up...350..........Gen.III, "LS1", aluminum, 68cc
12564243...02......350..........Gen.III, "LS6", aluminum
I don't think I've ever come accross 862's What are these from?
12556743...99......325..........Gen.III, 5.3L, aluminum, truck, van
12558806...97-98...350..........Gen.III, "LS1", aluminum, 68cc
12559853...99-up...350..........Gen.III, "LS1", aluminum, 68cc
12559895...00-up...325..........Gen.III, Vortec 5.3L
12564241...00-up...350..........Gen.III, "LS1", aluminum, 68cc
12564243...02......350..........Gen.III, "LS6", aluminum
I don't think I've ever come accross 862's
What are these from?
09-28-2004, 12:28 AM
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N/M. Sorry about that...862's are '99-00 4.8/5.3L. I guess they just don't have them listed there. These should be your specs:
Combustion Chamber Volume: 61.15cc
Intake Port Volume: 200cc
Exhaust Port Volume: 70cc
Intake Valve Diameter: 1.89 inches
Exhaust Valve Diameter: 1.55 inches
Combustion Chamber Volume: 61.15cc
Intake Port Volume: 200cc
Exhaust Port Volume: 70cc
Intake Valve Diameter: 1.89 inches
Exhaust Valve Diameter: 1.55 inches
09-28-2004, 12:33 AM
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Originally Posted by NoseUpChromeDown
N/M. Sorry about that...862's are '99-00 4.8/5.3L. I guess they just don't have them listed there. These should be your specs:
Combustion Chamber Volume: 61.15cc
Intake Port Volume: 200cc
Exhaust Port Volume: 70cc
Intake Valve Diameter: 1.89 inches
Exhaust Valve Diameter: 1.55 inches
Combustion Chamber Volume: 61.15cc
Intake Port Volume: 200cc
Exhaust Port Volume: 70cc
Intake Valve Diameter: 1.89 inches
Exhaust Valve Diameter: 1.55 inches
