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Thread: Bigger and Better Engines

  1. #1
    Knows a Thing or Two JKU EXTREME's Avatar
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    Bigger and Better Engines

    I'm curious to know who out there has an aftermarket engine. What size and why you chose that particular engine over the other options out there.
    (I personally the stock engine, but am curious to see the variations people have)
    Thanks


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  2. #2
    Nothing but a Thing 2Cross's Avatar
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    I have the 5.7 hemi because it was the only option when I put it in other than stock.


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  3. #3
    Administrator wayoflife's Avatar
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    For the longest time, HEMI's were the only option other than stock available. Companies like AEV have a great kit that makes the install of one look and feel factory too. That being said, once the new 3.6L Pentastar came out, it became harder to justify doing a 5.7 but then, you can do it with much bigger options now as well. For me, I went with a 6.2 LS. After Motech came out with their kit, it made the most sense to me as it's almost the same size and weight as a 3.8L v6, doesn't require you hammer in the firewall to make it fit, doesn't have the over heating issues that I've personally seen HEMI's have, you can find used motors everywhere and for cheap, they get great MPG, you can find parts for them everywhere and for cheap and I could go on and on.

  4. #4
    Knows a Thing or Two JKU EXTREME's Avatar
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    Quote Originally Posted by wayoflife View Post
    For the longest time, HEMI's were the only option other than stock available. Companies like AEV have a great kit that makes the install of one look and feel factory too. That being said, once the new 3.6L Pentastar came out, it became harder to justify doing a 5.7 but then, you can do it with much bigger options now as well. For me, I went with a 6.2 LS. After Motech came out with their kit, it made the most sense to me as it's almost the same size and weight as a 3.8L v6, doesn't require you hammer in the firewall to make it fit, doesn't have the over heating issues that I've personally seen HEMI's have, you can find used motors everywhere and for cheap, they get great MPG, you can find parts for them everywhere and for cheap and I could go on and on.
    I loved watching Moby get that 6.2LS upgrade and that'll be the V8 I will eventually drop into my jku. There's just so many options out there with LSs the possibilities are endless and there is a plethora of aftermarket upgrades.


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  5. #5
    Nothing but a Thing JK_Dave's Avatar
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    Go check out Motech's YouTube channel where he reviews the 6.2 and new 8 speed trans. It's not overly aggressive, just smooth and refined. That, to me, is the reason you go V8 and skip the supercharger option.


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  6. #6
    Nothing but a Thing 2Cross's Avatar
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    Quote Originally Posted by wayoflife View Post
    For the longest time, HEMI's were the only option other than stock available. Companies like AEV have a great kit that makes the install of one look and feel factory too. That being said, once the new 3.6L Pentastar came out, it became harder to justify doing a 5.7 but then, you can do it with much bigger options now as well. For me, I went with a 6.2 LS. After Motech came out with their kit, it made the most sense to me as it's almost the same size and weight as a 3.8L v6, doesn't require you hammer in the firewall to make it fit, doesn't have the over heating issues that I've personally seen HEMI's have, you can find used motors everywhere and for cheap, they get great MPG, you can find parts for them everywhere and for cheap and I could go on and on.
    I totally agree ^^^
    Personally my hemi has been fine and no major issues


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  7. #7
    Knows a Thing or Two bruggymonster's Avatar
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    Anyone run a diesel engine?? Most likely a Cummins?


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  8. #8
    Knows a Thing or Two JKU EXTREME's Avatar
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    Quote Originally Posted by JK_Dave View Post
    Go check out Motech's YouTube channel where he reviews the 6.2 and new 8 speed trans. It's not overly aggressive, just smooth and refined. That, to me, is the reason you go V8 and skip the supercharger option.


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    Ooooo an eight speed. I like!


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  9. #9
    Nothing but a Thing 2nd.gunman's Avatar
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    Bigger and Better Engines

    Quote Originally Posted by bruggymonster View Post
    Anyone run a diesel engine?? Most likely a Cummins?


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    I've been looking at putting a 3.0L Isuzu 4JJ1 in a TJ later this year if I don't spend all my money on overseas trips. I was originally looking at doing it in a JK but decided on the TJ instead.

    They are relatively cheap, make good power, come with a good 5 speed auto or 6 speed manual and have the TC drop on the right side for a jeep.


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  10. #10
    Fresh Catch
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    I'm running a 6.0LS and 6l80 from Motech and love it.

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