Shiny bit sits in a bearing bush,the further it is in the more bearing surface is used,and the diff no longer moves as in a live axle and that was the point of having that sliding joint. 
		
	
		
		
		
		
			
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				Cost : Little as possible. 
Thanks : To those who by their generosity my build has progressed. 
Its a handmade sports car not a flaming kit car !!! 
 
 
If at first you dont succeed,avoid skydiving... 
 
No parachute require to freefall,only if you want to do it twice.
			 
		
		
		
		
	
		
		
	
	
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