66 T5 Conversion
 

Making a T5 conversion..I have the trany, conversion kit, shifter and new 9" rearend...need to know what the electrical connections on the new trany are for....How do i make the changes for the speedo cable gears for new trany, rear end and 18" tires.??/please give me as much help as possible...Thanks

Re: 66 T5 Conversion
 

Check this out: Ford Mustang Overdrive Transmission Swap - Mustang & Fords Magazine

From what I remember its a pretty good article and should cover your questions.