EFI 5.8 Swap to 65 Tbird - Speed Vs Mass - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 06-13-2007, 03:20 PM
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Thumbs up EFI 5.8 Swap to 65 Tbird - Speed Vs Mass

Newbie in the house - - - I need some help!! I am going to swap in my 1965 Tbird a 5.8 EFI engine in place of the old 390 FE. I have done some recent reading and understand that the the early 5.8's had a "speed density" style of EFI vs. Mass air EFI. My donor is a 1989 F150 5.8. I also have a 1988 F150 5.0 EFI donor. What is the best way to get where I need to be. I do not want speed density, I would like the better and more efficient Mass Air style. Did the 88 5.0 truck engine have Mass Air style and if so can I use all the components from the 5.0 (ie. Maf, ECU, ect, ect) and bolt them all on the 5.8 and just use the larger 5.8 injectors? Am on the right track here?? I am planning on using a AOD so I do not need electric transmission control. Any help with this is really appreciated or direct me somewhere where I can get good info. Thanks
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post #2 of (permalink) Old 06-15-2007, 11:50 PM
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i mainly work on carbed big blocks myself, but try, mustangforums.com i`m sure you could get all the answers you need

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