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Forged internals?

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Old 01-30-2008, 10:02 PM
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Default Forged internals?

Ive never really understood what this ment? I know its good if you decide to do nitrous and superchargers and **** like that. Is it just like the metal that can withstand alot of heat? I know its a dumb question but if someone could help me out with an answer that would be awsome. Thanks
Old 01-30-2008, 10:09 PM
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I would like to know also
Old 01-30-2008, 10:14 PM
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Correct me if I'm wrong, tech guys. My understanding is that forged internals includes the pistons, rods, H-beams, and the crank. Apparently an LS1 crank is good for quite a bit of power, so people upgrade the first 3 more often.

Forged metals are more resistent to heat, and are stronger material - properties that are needed to withstand higher boost levels and nitrous shots.
Old 01-30-2008, 10:20 PM
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Cool man. Thanks. I thought it was something along those lines. I just thought of it today for some reason and i was like hmm never really understood what that ment. Soo i thought i would just ask.
Old 01-30-2008, 10:20 PM
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"Forged"-Refers to the process in which the metal is "shaped" in stead of Cast by pouring molten material into a mold, forged parts are shaped by using extreme amounts of force to shape the piece. I may not be 100% on this but it seems right in my memory.
Old 01-30-2008, 10:25 PM
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^^Yes, this is what I've read, too. The stock LS1 internals are cast.
Old 01-30-2008, 10:38 PM
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yeah thats right on the forged part... just learned it in my materials class for MET! lol
Old 01-30-2008, 10:42 PM
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That is good to know.
Old 01-30-2008, 10:52 PM
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the advantage being that theyre stronger aka more resistant to detonation. it does refer to how the metal is formed as well as its actual metal "makeup." also a hypereutectic pison is a cast piston w/ a silicon content higher than a certain percentage(cant remember it off the top of my head). they are useful in that they have less thermal expansion, making it easier to pass cold start emissions(also said to reduce cylinder wall scuffing).
Old 01-31-2008, 02:13 PM
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Thanks guys..Also i had one more question i forgot to ask. Whats the diffrenece between dry and wet shot?
Old 01-31-2008, 03:23 PM
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Originally Posted by redrider4
Thanks guys..Also i had one more question i forgot to ask. Whats the diffrenece between dry and wet shot?
dry just sprays nitrous through the nozzle and adds fuel using the injectors. wet has a fuel solenoid and sprays both fuel and nitrous.
Old 01-31-2008, 03:26 PM
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Dry shot is a fogger before the MAF. Wet is after the MAF and usually involves a double nozzle for a fuel/N2O mixture.
Old 01-31-2008, 03:54 PM
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Forging is the process by which metal is heated and is shaped by deformation -usually using compressive force. Usually the compressive force is in the form of a large hammer or a big-*** press.

Forging refines and improves the grain structure and thus improves physical properties of the metal. Physical properties (strength, ductility and toughness) are typically much better in a forging than in the base metal.

The forged pieces are also free of voids or defects that can sometimes appear in casted metals. After the forging, the steel generally gets a stress-relief heat treatment and then is machined to the final product.




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