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  #1  
Old 02-15-2011, 03:23 AM
turbo saleen turbo saleen is offline
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Default 1998 2wd 2.5 to a 96 explorer 2wd 5.0 ?

I have a 98 Ranger 2.5 2wd and I also have a 96 explorer 2wd the explorer is junk as a truck, but a great donor for a new heart for the ranger. You see, I cracked a head on the 2.5 so I decided it was cheaper to go this rout, seeing as how I already owned both. (by the way if any one needs my 2.5 or a perfect 2wd auto trans hit me up I want this stuff gone Motor is good as a short block) So I pulled the cab and took both trucks apart. I then went to go together with the Ranger and found out the oil pan will not work. lucky thing I have tons of mustang stuff. I quickly swapped the oil pan and pump along with pick up with the 91 mustang set up. Problem solved. Then I went to put the motor in the truck and found out that I needed to change the motor mounts…. No real big deal I swapped them then I also noticed that the drivers side was a fixed mount . and the passenger side is about 2 inches off so what I did was align the motor using the drivers side mount ( I did this because it was perfect ) then I removed the passenger side plate and mapped out where the motor mounts bolt up then I cut the two holes in the plate I also noticed that I needed to remove a section of the edge on the plate due to new location of the mount. Now the motor is in the truck and the body slid right in to place with no hassles (thank god this is a 2wd) This is where im at right now. I know that there are a few mods that need to be made I have read a lot tonight, The only other question I have is about the speedo. What needs to be done on this particular set up? I’m sure I can figure it out but I would rather know what I need to do when I return to working on the truck Wednesday. Any help would be awesome. Thanks
Dan
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Old 02-15-2011, 06:02 PM
wyman00 wyman00 is offline
5.0 ranger!
 
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Default Re: 1998 2wd 2.5 to a 96 explorer 2wd 5.0 ?

I hate to say this because it might not work in every situation, but i did the exact same swap and did nothing to my speedo and it seems to be pretty close to right on.
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2000 2wd Ext cab with explorer 5.0

Mods so far:
Explorer ohc and lighted visors, Mustang dome light with LED's, In channel vent visors, Explorer sport trac guages, White faceplate for a/c controls, 8.8 ls rearend with 3:29 gears, 302 swap, coil spacers, 3" body lift, Westin step bars, A.R.E. topper with roof racks, 33x12.50x15 firestone destination a/t's, 8 hole american racing rims.

My build thread--> http://www.fordrangerforum.com/proje...ger-build.html
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Old 02-15-2011, 06:24 PM
rwenzing rwenzing is offline
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Default Re: 1998 2wd 2.5 to a 96 explorer 2wd 5.0 ?

Quote:
Originally Posted by turbo saleen View Post
The only other question I have is about the speedo. What needs to be done on this particular set up? I’m sure I can figure it out but I would rather know what I need to do when I return to working on the truck Wednesday. Any help would be awesome. Thanks
Dan
The 98~2000 Ranger speedometer is totally independent of the engine, transmission and PCM installed. It will continue to work as it does now.

However, if the axle is swapped between 7.5" and 8.8" or the tire diameter changes, the VSS frequency correction would need to be recalibrated to make the speedometer read as it did stock.
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2003 FX4 Level II, Supercharged 5.0L V8, Headers, Duals
BW4406 manual transfer case, Aussie Locker, Torsen L/S, 4.10's
Bilstein 7100 rezzies, Cadillac/Mustang rear discs, Duff traction bars
Keypad Entry, Lock LEDs, ABS switch, sway bar discos
Heated seats, Explorer EATC, Trip Computer and consoles

2003 XLT 2.3L M5OD-R1 reg cab, 2011 Taurus SEL, 2016 C-MAX Energi Plug-in Hybrid

Last edited by rwenzing; 02-15-2011 at 06:32 PM.
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Old 02-15-2011, 11:07 PM
turbo saleen turbo saleen is offline
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Default Re: 1998 2wd 2.5 to a 96 explorer 2wd 5.0 ?

awesome guy thank you so much that is one thing that i didnt want to deal with. so the 96 to a 98 is a plug and play minus a few small modifications
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  #5  
Old 02-16-2011, 11:04 AM
rwenzing rwenzing is offline
Some assembly required...
 
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Default Re: 1998 2wd 2.5 to a 96 explorer 2wd 5.0 ?

Quote:
Originally Posted by turbo saleen View Post
awesome guy thank you so much that is one thing that i didnt want to deal with. so the 96 to a 98 is a plug and play minus a few small modifications
You'll have to make some adjustments here:

The 96 fuel system is regulated at the fuel rail, runs at a vacuum regulated 30~40 PSI and uses a fuel supply line AND a return line to the tank.

The 98 fuel system is regulated in the tank, runs at a constant ~65 PSI and is returnless (supply line but no return).
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2003 FX4 Level II, Supercharged 5.0L V8, Headers, Duals
BW4406 manual transfer case, Aussie Locker, Torsen L/S, 4.10's
Bilstein 7100 rezzies, Cadillac/Mustang rear discs, Duff traction bars
Keypad Entry, Lock LEDs, ABS switch, sway bar discos
Heated seats, Explorer EATC, Trip Computer and consoles

2003 XLT 2.3L M5OD-R1 reg cab, 2011 Taurus SEL, 2016 C-MAX Energi Plug-in Hybrid
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  #6  
Old 02-16-2011, 11:25 PM
turbo saleen turbo saleen is offline
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Default Re: 1998 2wd 2.5 to a 96 explorer 2wd 5.0 ?

Quote:
Originally Posted by rwenzing View Post
You'll have to make some adjustments here:

The 96 fuel system is regulated at the fuel rail, runs at a vacuum regulated 30~40 PSI and uses a fuel supply line AND a return line to the tank.

The 98 fuel system is regulated in the tank, runs at a constant ~65 PSI and is returnless (supply line but no return).
It has been my experience that the fuel pump PSI is irrelevant in a return system. Because the 96 explorer is a return system it will return all the un wanted fuel to the tank. The way a fuel pump is measured is called duty cycle. When you are running a return fuel system then you want your fuel pump duty cycle at 100% to insure that you are getting all the fuel you can to the front and let the fuel regulator do its job and sent the un wanted fuel back in the return line.

When you have a return less fuel system it uses what is called a variable fuel bump meaning that it will only run the fuel pump long enough to get the desired fuel pressure that the engine requires at that specific point and moment. The way it adjusts the fuel and monitors the fuel is by the Fuel pressure sensor. All return systems have this however it would appear that the pressure sensor is in the tank on these trucks. So with that being said, once I changed the PCM out to a 96 explorer computer the fuel system would now only be a return system because the computer would not have any way to control a variable voltage fuel pump because that function is controlled and monitored by the PCM and variable fuel control was not around in 1996

Thank you all for the advise you have saved me a lot of time on this little project Ill finish it up this next week when I work on it next

----------

I made it return already
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Old 02-17-2011, 05:52 PM
rwenzing rwenzing is offline
Some assembly required...
 
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Default Re: 1998 2wd 2.5 to a 96 explorer 2wd 5.0 ?

Quote:
Originally Posted by turbo saleen View Post
When you have a return less fuel system it uses what is called a variable fuel bump meaning that it will only run the fuel pump long enough to get the desired fuel pressure that the engine requires at that specific point and moment. The way it adjusts the fuel and monitors the fuel is by the Fuel pressure sensor. All return systems have this however it would appear that the pressure sensor is in the tank on these trucks. So with that being said, once I changed the PCM out to a 96 explorer computer the fuel system would now only be a return system because the computer would not have any way to control a variable voltage fuel pump because that function is controlled and monitored by the PCM and variable fuel control was not around in 1996
What you have described here is an Electronic Returnless Fuel system like the newer Mustangs have. The 99+ 5.0 Explorer and 98+ Ranger use a Mechanical Returnless Fuel system that is quite a bit different. MRF uses an in-tank regulator to divert excess fuel from the pump back into the tank to maintain ~65 PSI at the rail (~55 PSI for some Flex Fuel 3.0 Rangers). Fully mechanical with no FP sensor or PCM control involved.




Quote:
Originally Posted by turbo saleen View Post
I made it return already
I think this might work since the regulated pressure coming out of the tank is stepped down to a pressure higher than the pressure range of the regulator at the fuel rail. I coudn't say for sure because I have never tried running two FP regulators in series.
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2003 FX4 Level II, Supercharged 5.0L V8, Headers, Duals
BW4406 manual transfer case, Aussie Locker, Torsen L/S, 4.10's
Bilstein 7100 rezzies, Cadillac/Mustang rear discs, Duff traction bars
Keypad Entry, Lock LEDs, ABS switch, sway bar discos
Heated seats, Explorer EATC, Trip Computer and consoles

2003 XLT 2.3L M5OD-R1 reg cab, 2011 Taurus SEL, 2016 C-MAX Energi Plug-in Hybrid
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  #8  
Old 02-17-2011, 11:16 PM
turbo saleen turbo saleen is offline
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Default Re: 1998 2wd 2.5 to a 96 explorer 2wd 5.0 ?

ill let you know when i hit the dyno
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  #9  
Old 04-21-2011, 09:32 PM
narcolepsy923 narcolepsy923 is offline
99 331 Ranger
 
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Posts: 406
Default Re: 1998 2wd 2.5 to a 96 explorer 2wd 5.0 ?

in my ranger we took the whole body wiring harness out and switched dashes to get everything to work they make up for the with difference in the two vehicles in the door trim panel so dashes switch if i remember right i used the explorer pump in the ranger tank and the polarity on the pump was backwards but i switched over alot more that i needed too with manual locks the keyfob will still arm the alarm (fun to make it honk)
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1999 331 stroker EFI Ranger (daily) gt40 explorer complete swap
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