Too many plies....
		
		
				
				
					
				
		
			
				
					They are all LT construction.  The only difference is the load rating (C or E most likely) which was originally linked to the number of plies (in the old days of bias-ply).  A bit like P-metric tyres being available in standard and extra load (XL or Reinforced).  The higher load rated ones have a heavier construction allowing them to be inflated to a higher maximum pressure and therefore carry more weight.  C rated tyres are typically 60psi rated, where E rated are 80psi.  Equally, as stated by others, the lower rated tyres ride better (less stiff) but us Aussies seem to be fixated on higher is better...  The higher-rated ones will have a slightly heavier sidewall so *might* be slightly more resistant to sidewall punctures.
				
			 
			
		 
			
				
			
			
				DiscoClax
'94 D1 3dr Aegean Blue - 300ci stroker RV8, 4HP24 & Compushift, usual bar-work, various APT gear, 235/85 M/Ts, 3deg arms, Detroit lockers, $$$$, etc.
'08 RRS TDV8 Rimini Red - 285/60R18 Falken AT3Ws, Rock slider-steps, APT full under-protection, Mitch Hitch, Tradesman rack, Traxide DBS, Gap IID 
			
			
		 
	
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