mass air conversion
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Junior User
Joined: Sep 2007
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From: ky/nc
mass air conversion
Hey guys im new here and got a tuff ? for ya.. I recently come back from iraq and bought me a 90 bronco 5.0 w/5spd. I want to convert to mass air but im need to know which harness to buy and if i need to buy newer fuel injector harness. I have a 92 mustang 5spd eec, mass air, intake, that can be used if need be but i need help.
ps. im not wanting to buy a kit that cost me an arm and aleg either...
Thanks,
Mac
ps. im not wanting to buy a kit that cost me an arm and aleg either...
Thanks,
Mac
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Joined: Nov 2004
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From: sunny fla sometimes windy
Are you planning on a lot of upgrades? Bore, stroked,ported flowed, cams etc
If not there is no real reason to switch, The SD works fine for plenty of horsepower unless you are going big! http://www.fordmuscle.com/archives/2...sion/index.php
Check these guys out they have the link to the harness you will need. But my vote is to stick to the SD system until you start getting held back by it. Remember unless you are going desert racing or are staying on the highway, Your are driving a truck probably with bigger tires, towing, climbing hills,getting stuck and for that you need torque not horsepower setting your motor up like a mustang will be going to higher rpm power which isn't at all needed for off road
If not there is no real reason to switch, The SD works fine for plenty of horsepower unless you are going big! http://www.fordmuscle.com/archives/2...sion/index.php
Check these guys out they have the link to the harness you will need. But my vote is to stick to the SD system until you start getting held back by it. Remember unless you are going desert racing or are staying on the highway, Your are driving a truck probably with bigger tires, towing, climbing hills,getting stuck and for that you need torque not horsepower setting your motor up like a mustang will be going to higher rpm power which isn't at all needed for off road
Hotshot
Joined: Jul 2002
Posts: 14,285
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From: Bend,OR
http://www.flowmanagementunlimited.c...roducts_id=542
if you need a harness but honestly there is no reason and gains are minimal by themselves unless your stroking the motor which in that case you should probably just do a 5.8 swap and be done.
if you need a harness but honestly there is no reason and gains are minimal by themselves unless your stroking the motor which in that case you should probably just do a 5.8 swap and be done.
Postmaster
Joined: Jul 2006
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From: Central PA
Hey guys what about the better throttle response and MPG increases . I have don't 3 swaps and got increase on all. Hey 1 MPG when I drive 500-600 a week ads up.
If you can find stock parts cheap that you can make work . Go for it.
But if you cant find parts and have to buy kit don't worry abut it.
If you can find stock parts cheap that you can make work . Go for it.
But if you cant find parts and have to buy kit don't worry abut it.
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Joined: Nov 2004
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From: sunny fla sometimes windy
A geo metro can get a lot of mpg and they are as cheap as some mass air kits!! If I was looking for mpg and throttle response I definately would not own a truck!! I want pulling power, the ability to make it through all kinds of environments and not worry about reliability!! SD in my opinion is way more reliable than a heated wire maf!!(do not suck water into your maf you will be dead on the trail!!) It's all personal preference when both systems are kept to a good service and inspection they work about the same!! If you want real mpg and throttle response get a true Sequential firing computer on that motor and then we can talk!! bank to bank is not true SFI and you are losing some performance because of it!!!
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From: Conyers
Originally Posted by blue beast
SD in my opinion is way more reliable than a heated wire maf!!(do not suck water into your maf you will be dead on the trail!!)
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Junior User
Joined: Sep 2007
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From: ky/nc
i got a complete harness from the eec to the injectors out of a mass air mustang, a mass air flow meter, and im going to the nmra (national mustang raicing assc. world finals) in oct. and theres always eec IV at the swap meet so its not like im paying 400 to 800 for a kit. its all junkyard parts. And the whole sp vs maf, i had a 92 mustang mass air and my cousin had a 87 sd mustang and my had better overall performance and throttle response.
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Hotshot
Joined: Jul 2002
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From: Bend,OR
your not driving a mustang, this is a full size 4wd. so the thought process needs to change. what works for the mustang doesnt translate over to these rigs as some think. Yes what your doing will work with some modification and you will see slight gain in throttle respones. honestly i get a snappier throttle response just by bumping up the timing on a 302 go up to 13*btdc and on the 5.8 run 12* there is a definate improvment. mass air is not the saving grace of efi, ask any lightning owner running 12's on speed density.
that wiring harness is going to require lengthening as well to fit.
that wiring harness is going to require lengthening as well to fit.
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He might not be in a Stang but the process does convert over, why do you think they went from SD to MAF in 95'. Theres a reason, it can make more power AND torque when done correctly. I myself am going to convert over MAF on my truck that will be a full bore tork monster when I'm done. Being as on the trucks, then did not have SFI on any of them, so when turning over to MAF you get the benefit of better mileage,power,TORQUE,drivablity and the ability to make add ons that actualy make a difference. Also, with SD, it doesnt take into efect wear, MAF kinda does, it reads incoming air, not predicted air flow.
Hotshot
Joined: Jul 2002
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From: Bend,OR
if your building an all out high hp/trq motor maf is not necessary. you should head over to http://www.nloc.net/ and ask those guys which they prefer.
building a motor like that will still require lots of tuning even with mass air. SD can be tuned with a tweecer and make more power because of how it works. MAF started in 88-89 in stangs and 93 in f150's and broncos from cali. they got slightly better mpg but honestly once you start all this building mpg is out the door anyway so that claim of better mpg for your situation doesnt apply. i think you need to read , do some searches on here for more info. check out www.fordfuelinjection.com as well.
building a motor like that will still require lots of tuning even with mass air. SD can be tuned with a tweecer and make more power because of how it works. MAF started in 88-89 in stangs and 93 in f150's and broncos from cali. they got slightly better mpg but honestly once you start all this building mpg is out the door anyway so that claim of better mpg for your situation doesnt apply. i think you need to read , do some searches on here for more info. check out www.fordfuelinjection.com as well.
Senior User
Joined: Aug 2004
Posts: 125
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From: Thayne, WY
Maf is not all It's cracked up to be. I went back to SD an added a tweecer R/T. I know more than a dozen guys pulling 12's with SD and still enjoy it as a daily driver. MAF raly's on it's sensors too much, SD has the values preprogrammed so if a senso fails the ECM defaults to this value to maintain driveability.
My .02
My .02
Cargo Master
Joined: Nov 2003
Posts: 2,000
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From: North Dakota
I have everything to convert my truck but the harness(buying a motorcycle got in the way of that). I have heard of very few people that don't like what the mass air swap has done to their rigs. Another reason I want to convert mine is because the SD does not like my cam. My opinion, go for it!