I'm pretty sure all of your changes are DSP legal. The control arms and links just have to use rubber or poly bushings. 
 
Also, at the bottom of that post is a link (the top one) to the online rulebook. You can download it for free as a .pdf file.
		 
		
		
		
		
		
		
			
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				FWD is the new AWD
			 
		
		
		
		
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