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Jefe's 700R4 swap

Discussion in 'Offroad Projects' started by Jefe, August 30, 2004.

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    1. chevman90

      chevman90 New Member

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    3. nak4af

      nak4af Elite Explorer

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      Go get a junkyard 5.3 GM motor ($400-500), the Advanced Adapters kit ($180) and put it in your Ex. 295 HP/330 TQ for under a grand.
       
    4. Maniak

      Maniak Moderator-Stock 91-94 Staff Member Moderator Elite Explorer

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      I'm assuming you mean 4.3 and what would you do about all the electronics. Most states say you need to keep what was on the motor to being with.. Soo, that means all sensors etc and you'll need to get the GM ecu to work on the ford.

      I doubt very much that taking a GM motor (efi) and getting it into a Ford (efi) is going to be that easy.

      ~Mark
       
    5. nak4af

      nak4af Elite Explorer

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      I mean a 90 degree 5.3 GM generation III/IV V8. Advance adapter kit will mount the newer V8's to the older 700R4/4L60 tranny's. Summit sells Carbed intake manifolds to mount to the newer GM engines that have controlers that are plug and play for Carbed applications. Other than buying it all, it should be an easy swap. Engine mounts should be the only guess work to be done.

      There have been a few LS to Mustang swaps done...what would make an Explorer any different?
       
    6. Maniak

      Maniak Moderator-Stock 91-94 Staff Member Moderator Elite Explorer

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      If I understood that correctly.. You are going to get an EFI engine, and put on a carb and install it into a vehicle that came with EFI originally?

      For areas without emissions I could see that working, but even with Arizona's somewhat liberal conversion/emission rules that would never pass.

      From what I've read though, in some areas (I'm "thinking" Kenutcky) there are no emission tests so you could get away with that conversion.

      But it is possibly another option, I just doubt it was be as easy as the 700r4 swap on the 4.0 since with the 4.0 there is almost no wiring "changes".

      ~Mark
       
    7. JTX

      JTX Well-Known Member

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      No emission here besides in one city, ;)
       
    8. nak4af

      nak4af Elite Explorer

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      No emissions in Nebraska and Florida. In Alaska, when you change anything without a C.A.R.B. sticker it's illegal. My KKM intake on my Ex had to be removed every time I went to register it again. Obviously, I would do this conversion with no regard for emmissions. However, the 5.3 probably runs much better than the 4.0. You can get the EFI stuff to work but the cheap way is the carbed setup. (The only reason I'd do this is to get a better tranny and more HP for the dollar. Not to mention the after market suport for these GM engines.) They have controllers that will "plug-and-play" with the GM EFI and will net awesome fuel mileage and power. You just have to pay the extra. I was speaking of the most budget build possible for his 90 degree 700R4.
       

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