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i am toying with the notion of swapping out my two-barrel 2.8 for a fuel injected 4.3in my 83 blazer 4x4. I saw ringmaster2011's question about this swap, but im wondering... how easy is it to adapt the wiring harness for the carb-EFI switch? i dont want to get in over my head
Also, what year 4.3's are best for performance? I would rather use the fuel injection than the throttle body, but costs might hinder that... any suggestions will help
 
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