Motor swap q:
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Posting Guru
Joined: Aug 2007
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From: Portland, Oregon
Motor swap q:
Are the engines from other years of aero's swapable from one to another.
example: our latest addition to our collection, our 93 xlt de-lux awd has 197,xxx on it. I'd like to go to the j/y, pull a diff. 4.0l out of either another star or and explorer, and rebuild it. but what i'm concerned about is will the wiring harnesess be plug and play? or will i have to remove the wiring harness(s) from the doner car and maff and ecu and what not? and what about things like the fuel rails, exhaust mani's, intake, etc.?
also, is this the same for the 3l's?
thanks soooooooooo much in advance.
p.s. i hope this thread helps others. my idea is that i'd like to have a donor motor already in storage, just needing to be sealed up and put into the car as sort of... insurance if you will.
p.s.s. edit: i got the ebrake light/ rabs light to go out, the reservour was almost bone dry.... oh well. thanks for the tips!
example: our latest addition to our collection, our 93 xlt de-lux awd has 197,xxx on it. I'd like to go to the j/y, pull a diff. 4.0l out of either another star or and explorer, and rebuild it. but what i'm concerned about is will the wiring harnesess be plug and play? or will i have to remove the wiring harness(s) from the doner car and maff and ecu and what not? and what about things like the fuel rails, exhaust mani's, intake, etc.?
also, is this the same for the 3l's?
thanks soooooooooo much in advance.
p.s. i hope this thread helps others. my idea is that i'd like to have a donor motor already in storage, just needing to be sealed up and put into the car as sort of... insurance if you will.
p.s.s. edit: i got the ebrake light/ rabs light to go out, the reservour was almost bone dry.... oh well. thanks for the tips!
Former ******
Joined: Nov 2004
Posts: 4,901
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From: Salt Lake City, Utah
Yes, you can use the engines from other models and years. I do know there are subtle differences. Make sure the oil filter is in the same location on your old and new engine (I point this out because the headers made for Explorers and rangers hit the oil filter bracket, which leads me to believe that it is oriented differently on the Ranger/Explorer. I am aware that many explorers and rangers also have an EGR system, whilst Aerostars rarely do. I'm not sure if that would pose any problems, though I'm sure you could swap the related parts to make it work either way. So long as you stick with the 4.0L OHV pushrod engine, you should be fine. The SOHC or DOHC would likely require modification of the engine compartment to work properly, so just make sure that your donor is the older OHV and not the SOHC.
Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
DCRB, do you want to swap engine? all cologne engines (2.6, 2.8, 2.9 and 4.0 OHV and 4.0 SOHC) have the same mounts, same bolt pattens but different ECUs and wiering. People say with some modifications 4.0 SOHC fits aero too.
Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
Senior User
Joined: Nov 2004
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Pablo-UA is right DCRB concerning these engines. Most times your top half of your engine will be recycled/reused for the most part if everything survives not being damaged while removing the hardware so then you would be able to "swap' the items over. This is called a "short block" when just the block is used and all of the top half of the engine like, the intake, heads and the like are reused. It is called a "long block" when evrything including the kitchen sink is retained from the donor vehicle and placed into yoru ride.
Posting Guru
Joined: Jul 2004
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From: Mitchell, SD
Actually your are mostly correct Bozz, a Long block has everything except the intake and accessories.
A 'Drop in' will have everything including the oil filter (aka kitchen sink)
A 'Drop in' will have everything including the oil filter (aka kitchen sink)
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Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
somewhere in internet I used to find engine compatibility tables, what parts to change. But ifyou get donor and you have your stock engine you will see what toinstall from your stock engine. Difference ofheag gaskets is not so important. I used to change engine mounts, air intake, intake manifold and exaust manyforlds, PS pump, alternator, A/C compressor (all with stock mounts and brakets).
Yeah, it is 4-6 hour work, with beer - one weekend.
Yeah, it is 4-6 hour work, with beer - one weekend.
Senior User
Joined: Sep 2004
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From: earth
Hello fellow Aeros,
At 248k miles, my '96 AWD engine is showing less power. It has the lifter noise. I still don't use any oil but the kick at take off is somehow weaker by quite a bit. I also have a 1997 AWD which is at 147k miles but has a cracked oil pan. Furthermore, the '96 body is in better shape. So I am just wondering if I can take '97 motor to replace the '96 motor? Can I do the long block swap or just do the short block only? Thanks in advance. Mario
At 248k miles, my '96 AWD engine is showing less power. It has the lifter noise. I still don't use any oil but the kick at take off is somehow weaker by quite a bit. I also have a 1997 AWD which is at 147k miles but has a cracked oil pan. Furthermore, the '96 body is in better shape. So I am just wondering if I can take '97 motor to replace the '96 motor? Can I do the long block swap or just do the short block only? Thanks in advance. Mario
Tuned
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