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  #1  
Old 09-20-2010, 06:46 PM
harley harley is offline
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Default 3.0 to 4.0 swap

what exactly is involed from a 3.0 to a 4.0 engine swap is it a bolt in or do i have to do some fabrications? i have 35 12.50 remington mud brute on it and im lookin for more power and ive done the cold air intake and many other power mods that ive heard of for the 3.0 which isnt much just need more power and not sure how else to get it any advice other then a full out engine swap?
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  #2  
Old 09-20-2010, 06:49 PM
dirttrackracer dirttrackracer is offline
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Default Re: 3.0 to 4.0 swap

yes, if you have a different tranny. or how about 5.0?
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sold-91' extra cab 4.0 auto went from 3in lowered to 11in of lift.
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  #3  
Old 09-20-2010, 06:54 PM
harley harley is offline
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Default Re: 3.0 to 4.0 swap

no i want the 4.0 i like the idea of a v-8 but i dont want to pay for the gas or the axel swaps haha would the 4.0 bolt in to the 3.0 motor mounts and everything?
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  #4  
Old 09-20-2010, 07:00 PM
dirttrackracer dirttrackracer is offline
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Default Re: 3.0 to 4.0 swap

it shuld, the most hassle will be to switch harnesses for the fj. and getting another tranny but i am pretty sure that you can get another bellhousing so you can use your stock 3.0 tranny.
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  #5  
Old 09-20-2010, 07:04 PM
dirttrackracer dirttrackracer is offline
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Default Re: 3.0 to 4.0 swap

your truck before allot.
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sold-91' extra cab 4.0 auto went from 3in lowered to 11in of lift.
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  #6  
Old 09-20-2010, 07:06 PM
harley harley is offline
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Default Re: 3.0 to 4.0 swap

id swap the tranys to the 3.0 tranny aint very strong in any ranger the 4.0 dont have to many problems with the trannys have u done a swap or no anyone who has?
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  #7  
Old 09-20-2010, 07:09 PM
dirttrackracer dirttrackracer is offline
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Default Re: 3.0 to 4.0 swap

are you gettin a 5 speed there is a truck that i know of that i think has a 4.0-5 speed in a field, ive done a 5.0 swap and 3/4 of a 4.0 swap until my neighbor said fuck it and then we put the 5.0 in
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sold-91' extra cab 4.0 auto went from 3in lowered to 11in of lift.
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  #8  
Old 09-20-2010, 07:10 PM
harley harley is offline
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Default Re: 3.0 to 4.0 swap

thats the only way to go wheres that at and how much is the body good
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  #9  
Old 09-20-2010, 07:12 PM
dirttrackracer dirttrackracer is offline
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Default Re: 3.0 to 4.0 swap

its in the weeds and its my bodystyle, i was goin to look to look at it sometime next week its in berwick
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sold-91' extra cab 4.0 auto went from 3in lowered to 11in of lift.
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  #10  
Old 09-20-2010, 07:15 PM
harley harley is offline
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Default Re: 3.0 to 4.0 swap

ok let me no about it then haha
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  #11  
Old 09-20-2010, 07:19 PM
dirttrackracer dirttrackracer is offline
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Default Re: 3.0 to 4.0 swap

ill txt ya when im goin to see if you want to come
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sold-91' extra cab 4.0 auto went from 3in lowered to 11in of lift.
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  #12  
Old 09-20-2010, 08:15 PM
TerrenceStuart TerrenceStuart is offline
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Default Re: 3.0 to 4.0 swap

welcome to FRF, Aknofear!
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some kind of vehicle.
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  #13  
Old 09-21-2010, 01:56 AM
STL STL is offline
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Default Re: 3.0 to 4.0 swap

I moved this to the correct section for you.
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  #14  
Old 09-21-2010, 03:35 AM
drppdyllwrngr drppdyllwrngr is offline
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Default Re: 3.0 to 4.0 swap

the 4.0 trans will be required. they don't interchange with any other motor, nor is the bell housing removable.

you need motor, trans, wiring, cooling, intake, mounts, computer, throttle cable, etc.
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  #15  
Old 10-17-2010, 04:42 AM
blkranger231 blkranger231 is offline
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Default Re: 3.0 to 4.0 swap

Sorry to dig up a old thread, now if you have the 3.0 Flex fuel can you interchange it with a regular 4.0 since you are changing the computer also, or do you have to have 4.0 with flex (did they make 4.0 flex?).

Thanks
Will
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