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  1. #1
    Junior Member
    Join Date
    Jul 2011
    Posts
    1

    Diesel Conversion?

    Well now that I got a little lift on my Yj and some 32 11.50s I've notcied my gas milage went down which i sno surprise. However my YJ has a 165,xxx miles , I don't imagine it having much more life " I Drive it like it's Stolen" so I was looking at some of the diesel conversions and I think I may wan't to go this route. How much do the diffrent swaps cost like the 4bt or the mercedes diesel. Also what kinda of power do you guys have compared to the jeeps stock engine.

  2. #2
    Junior Member
    Join Date
    Jul 2011
    Posts
    3
    While it is not Jeep specific, www.4btswaps.com has some awesome info on the cummins swap into multiple applications, I am slowly gathering my parts and information, and have learned alot from this site.

  3. #3
    Junior Member
    Join Date
    Jul 2011
    Posts
    4
    Try cheaking your tire pressures, doing a full tune up ect.

    A lifted vehical gets bad gas milage off the bat, throw in over sized tires and you said your self you beat on it. Try driving at a steady speed using as little pettle as you can, utilize netural as much as possible. Before jumping into a project like trowing in a diesel you have to think about the big picture. Sure you will have an *** load of tourqe, but you will have to go with better axles, tranny and figure out how to run a stack(s) out of it. To me its just not functional but non the less badass.

    If I were you, do a full tune up, cheak tires and dont drive like a idiot. Think about a possible re-gear of the axles, stuff like that. Your driving a brick, your not going to get great gas milage.

  4. #4
    Junior Member
    Join Date
    Jul 2011
    Posts
    3
    Diesels are cool but the 4bt swap probably costs around 10 grand. 1st you gotta buy the engine (eBay has them around 3 grand I believe), then the engine mounts, upgrading your axles, drive train, fuel lines, and you probably will have to do a lot of testing with turbos to get the right setup, tuning the fuel pump, all that work costs a lot of money and time.


 

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