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 Help!!! 
		
		
		Got all of the parts needed for the Windsor swap.  Do I NEED to upgrade the EEC-IV?  Is this done for performance enhancements or is it done because the car will not run?  Please help!! 
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 Fill us in on what you're doing.  What kind of car do you have?  What kind of induction are you using? 
	If you're going EFI and have a MAF based computer, you should be fine. ------------------ 351W 89 Mustang GT Convertible  | 
		
 It's a 90, GT-40 Upper and lower and Pro-M(24#) 
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