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86 Ranger MAF conversion


DS86Ranger

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Vehicle Year
1986
Make / Model
Ford
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Manual
Hello Rangerstation! I am new to the forum, looking for any help or advice on a speed density to MAF conversion project for my 86 Ranger 2.9 4x4. It has been modified with a performance cam, aftermarket heads, headers and performance exhaust. The speed density system does not like the mods, prone to stalling and poor driveability around town. I got the idea for the conversion from an old posting in 2004 entitled Ford 2.9 MAF Conversion by Bob Marrs. The article states that you need a computer from a '90 Ranger with MAF and it is a California vehicle. My parts supplier is not able to find one for 4wd, only 2wd. I don't understand why the 2wd should be any different. I am going to try it as this seems to be my only option.
 


adsm08

adsm08

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Ford Technician
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Location
Dillsburg PA
Vehicle Year
1987
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Ford
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4.0 V6
Engine Size
4.0
Transmission
Manual
2WD / 4WD
4WD
Tire Size
31X10.50X15
I think the difference is that if you have push button 4x4 the computer has to relay some info to allow the 4-low shift.

If you have manual 4x4 it doesn't matter even a little bit.
 

DS86Ranger

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1986
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2.9 MAF Conversion

Thanks for the reply! Mine is a manual. So good to hear that as I already ordered other parts including a performance MAF. After I get it running with the new computer and MAF I want to upgrade to bigger injectors, Tom Morana intake manifold, K&N cold air intake. I will posting updates with pics
 
adsm08

adsm08

Senior Master Grease Monkey
Supporting Member
Article Contributor
Ford Technician
TRS 20th Anniversary
Joined
Sep 20, 2009
Messages
34,623
Reaction score
3,613
Points
113
Location
Dillsburg PA
Vehicle Year
1987
Make / Model
Ford
Engine Type
4.0 V6
Engine Size
4.0
Transmission
Manual
2WD / 4WD
4WD
Tire Size
31X10.50X15
Yeah, I know at least one of my 4x4s is running on a 2wd PCM, but since all my stuff has manual 4x4, it doesn't matter.
 
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