SD to MAF
Thread Starter
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Cross-Country
Joined: Mar 2008
Posts: 73
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SD to MAF
Hi all, been awhile since I have posted but I have a new project so here I am. I am currently working on a 1995 Bronco with a 5.8 and E4OD. I am building a new motor and I am interested in swapping over to MAF while the motor is at the machine shop. I also have a 96 Bronco parts vehicle that has all the MAF equipment that I want to use. The 96 also had a 5.8 and E4OD so I should be ok with using it for parts. I have found multiple articles and videos on what needs to be done for the swap but it seems to easy and I am unsure I fully understand. What I have gathered is that I need to swap PCM's, repin the 60 pin connector, add MAF Meter, swap in barometric sensor, fuel injector harness and additional O2 sensor. I plan on unwrapping both harnesses and removing and adding all wires without cutting and splicing. I know that I will have to do some programming but that will be after I get the engine running. I haven't looked to see what program is in the 96 but that shouldn't matter, correct? I am open to all comments good or bad so please tell me if I am overlooking anything that will keep me from my goal.
Thanks
Scott
1995 Bronco XLT
351 Windsor
E4OD
6 Inch Lift
35/12.50X15
4.56 Gear
Thanks
Scott
1995 Bronco XLT
351 Windsor
E4OD
6 Inch Lift
35/12.50X15
4.56 Gear
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
There are 2 ways you can do this.
Swap the complete OBD2 powertrain harness and PCM from the '96 into the '95.
Dissect the '96 harness to pull what you need from it and go find an OBD1 MAF PCM to use.
What you cannot do is use the '96 PCM with the '95 harness... it won't even plug in.
Swap the complete OBD2 powertrain harness and PCM from the '96 into the '95.
Dissect the '96 harness to pull what you need from it and go find an OBD1 MAF PCM to use.
What you cannot do is use the '96 PCM with the '95 harness... it won't even plug in.
FTE Chapter Leader
Joined: May 2006
Posts: 12,342
Likes: 1,318
From: Central Mississippi
I fully intended to convert to MAf before I built my 5.8, but it did not work out that way.
I had to do it after and even though it ran right first time, I'm glad I didn't try to do both.
And I was just going the simpler EEC-IV to EEC-IV, not the more complicated V like you want to do.
The SD will allow you to get the new built motor cranked & running enough to set the rings and get sorted out before dealing with the intricacies of the conversion.
Just my suggestion.
I had to do it after and even though it ran right first time, I'm glad I didn't try to do both.
And I was just going the simpler EEC-IV to EEC-IV, not the more complicated V like you want to do.
The SD will allow you to get the new built motor cranked & running enough to set the rings and get sorted out before dealing with the intricacies of the conversion.
Just my suggestion.
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Thread Starter
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Cross-Country
Joined: Mar 2008
Posts: 73
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Ok, I actually went out and looked at the 96 this morning and I see what you were talking about with the connection differences. Never caught that before so good info. Now I also didn't know that the 96 was EEC-V, thought it was still IV. Are the differences worth the swap or would it be easier and simpler to just use an OBD1 MAF and pull what I need from the 96? If so, where is a good place to find a PCM and which one is the best for what I want to do? How much more complicated would it be to swap to the EEC-V? Would this conversion require additional wiring issue behind the dash or anywhere else like fuel pump, ABS, air bag etc? May be simpler just to leave it alone and install headers and good exhaust with 1.7 rockets to get more torque.
Thanks guys
Thanks guys
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Brett Foote
Fleet Owner
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From: Kentucky
Fleet Owner
Joined: Oct 2005
Posts: 20,789
Likes: 1,753
From: Kentucky
I hear you for sure. I am a cheap bast**d myself. But if you are short on time and/or electronic/wiring skills the product from SPE is killer and has loads of capability.
Fleet Mechanic
Joined: Aug 2015
Posts: 1,838
Likes: 367
From: Candy Mountain
Ok, I actually went out and looked at the 96 this morning and I see what you were talking about with the connection differences. Never caught that before so good info. Now I also didn't know that the 96 was EEC-V, thought it was still IV. Are the differences worth the swap or would it be easier and simpler to just use an OBD1 MAF and pull what I need from the 96? If so, where is a good place to find a PCM and which one is the best for what I want to do? How much more complicated would it be to swap to the EEC-V? Would this conversion require additional wiring issue behind the dash or anywhere else like fuel pump, ABS, air bag etc? May be simpler just to leave it alone and install headers and good exhaust with 1.7 rockets to get more torque.
Thanks guys
Thanks guys
Thread Starter
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Cross-Country
Joined: Mar 2008
Posts: 73
Likes: 0
The main reason I am looking to convert is to be able to get more torque for towing. I live in the mountains of East TN and I currently tow a 24 foot pontoon boat (5000lbs) and a 20ft trailer with ATV and side by side with a 96 F150 5.0 automatic and I hate it. I figured that now would be the time to do this while the motor is out and also allow me to modify the motor for my towing needs. The F150 hardly ever gets out of 2nd gear and it has 3.73 gears with 225k on the odometer. I know I can modify it much easier but my 15 year old son has laid claim to it hence why I am building a Bronco. I also know that I can modify the Bronco to a point but I keep reading the horror stories about how the idle and overall driveability suffers so I was trying to get ahead of that. I'm not building a race truck but it will be my daily driver.
thanks
thanks
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
If all you want is torque and towing power you don't need MAF, just swap in the stock 5.8 and add 1.7 roller rockers and longtube headers backed up by a single 2.5" exhaust system. If you are rebuilding the motor anyway then install pistons to get a slight bump in compression but not to much... target 9.5:1 as the max. Stock is 8.8. Porting the stock heads will help too. This combo will work much better than the 5.0, my '90 F150 was 3 seconds faster 0-60 with a similarly built 5.8 over the 5.0.
FTE Chapter Leader
Joined: May 2006
Posts: 12,342
Likes: 1,318
From: Central Mississippi
It chassi dynoed with the sd to the tune of 193 hp & 260 something tq at the rear wheels. Idled just fine & was a big difference over the 150K miles original engine.