a correction 
 
for the BWCR5 box the  service manual (and handbook) gives the ratio as 3.16:1 (which i put in the table below), if you actually calculate the ratio using gear teeth ratios it is actually 3.61:1 (which gives the correctly quoted 14:1 overall ratio with a 3.9 diff) - a simple typo that seems to have been perpetuated in a number of sources 
 
so a straight CR5 box will still have a first gear that is too low for you - you will need the 2.92:1 ratio of the sports boxes 
 
Julian 
		
		
		
		
		
		
		
			
				  
				
					
						Last edited by Julian Caples; 29-08-12 at 08:33 AM.
					
					
						Reason: improved phrasing to remove ambiguity
					
				
			
		
		
		
	
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