heads question
03-24-2008, 12:38 AM
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heads question CNC ported heads... is that a brand...is that how they port the heads... what does that mean? and bout how much power can someone expect to gain out of working 5.3 truck heads???
03-24-2008, 12:48 AM
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From Wikipedia.org:
"The abbreviation CNC stands for computer numerical control, and refers specifically to a computer "controller" that reads G-code instructions and drives a machine tool, a powered mechanical device typically used to fabricate components by the selective removal of material. CNC does numerically directed interpolation of a cutting tool in the work envelope of a machine. The operating parameters of the CNC can be altered via a software load program."
Are these heads straight off a truck or have they been ported?
"The abbreviation CNC stands for computer numerical control, and refers specifically to a computer "controller" that reads G-code instructions and drives a machine tool, a powered mechanical device typically used to fabricate components by the selective removal of material. CNC does numerically directed interpolation of a cutting tool in the work envelope of a machine. The operating parameters of the CNC can be altered via a software load program."
Are these heads straight off a truck or have they been ported?
03-24-2008, 01:13 AM
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I would look into getting them ported if they are just stock 5.3's. What intake are you talking about? The truck intake? Do you have an LS1 or something else?
03-24-2008, 01:54 AM
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yeah i have a 1998 ls1 and i was going to get some head work done to the heads and use the intake from the 5.3 truck engine also. should i have the intake ported and polished also. or just use it as it is??