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				Originally posted by RU_Teg  
so the more psi u have the more of a boost you have? 
 
how much psi would be good on a ls motor with 121,000 miles? or does mileage not matter with turbo? If I were to get turbo on my stock ls motor, what would I need to change b4 getting turbo so I dont mess up my motor? 
			
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To get into the tech aspects of it, you should post this in the Turbo forum.  It would get more exposure.
http://auto.howstuffworks.com/turbo.htm
^^^^Good explanation of turbos^^^^