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Old 04-26-2011, 12:12 AM   #1
Join Date: Apr 2011
Posts: 46
Motor Swap Options/Opinions

Im about to purchase a 2005 TJ X that has been nicely built. It has a 14 bolt rear and dana 60 front, and 40's 5.13 gearing (alot more but i felt those were only important ones for this discussion). It also has the 6 speed. The stock 4.0L isnt going to cut it for me as this will be my daily driver and weekend toy.
So i want to do a motor swap to have that extra power compensate for the added weight so im not getting 8-10 mpg when driving. I have about 7-10K extra to use...i know 7 prob isnt alot or enough for a motor swap i was thinking 10 would be, seeing ive found slightly used LS1 Engine/tranny/ecm combos for 3000-4000. I prefer to do a direct injection motor but not dead set. Or i was thinking the Golen 4.6L stroker with 29lbs injectors, CAI, headers/exhaust/ and bigger throttle bottle to get 300HP.

What motor/direction do yall think i should use to get the best MPG out of my Jeep?


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Old 04-26-2011, 08:07 AM   #2
4x4builder1's Avatar
Join Date: Dec 2010
Location: Atco
Posts: 286
Have you thought about the coyote 5.0 been looking into this myself for my fiance. Going to be more of a daily then yours chances are. Got over 600 in my sbc with fast xfi fuel injection that's always a good way to go even stock crate at first because the computer will allow for any upgrades.

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Old 04-27-2011, 01:45 AM   #3
Join Date: Apr 2011
Posts: 46
thats a new motor that would be half my budget right there....then transmission and everything else id have....would be incredibly expensive and would it even fit into the engine bay?
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Old 04-28-2011, 06:52 AM   #4
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Join Date: Dec 2010
Location: Atco
Posts: 286
Fitment is not an issue were going forward with the coyote motor and a tko, 600 the tko 500 is $500-1000 used and more then capable. Your looking at around 10k-12k total depending on the fuel system we go with. I fab up everything for my builds which cuts down on cost. Definetly cheaper options out there I just like to do stuff you can't find in a 1000 forums. If your budget is around 6-10 save some coin look into Procharging what you already have, better mpg then a v8 and installed in 1 weekend. I've used 2 of there systems and will probably be putting one on my 03 for 800-900 hp.
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Old 10-13-2013, 11:04 AM   #5
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Join Date: Oct 2013
Posts: 4
Have you considered diesel? Toyota, VW, or a cummins. They offer a Factory Toyota diesel in Europe.
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