mass air conversion?
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From: arlington TX
mass air conversion?
I have installed a 5.0 from a 94 F150 with GT-40 aluminum heads and a comp extreme energy cam in my 91 F150 and I need to upgrade to mass air or if possible get a chip or a tweecer, but I am getting mixed answers as to if the chip or tweecer idea will work. I have the computer, harness and mass air meter from the 94 but it had a 4R70W trans and I have an E4OD and have been told the computer wont run an E4OD trans. is this true? and if so what do the ford truck experts out there recommend to remedy my problems. I gained very little power from the mods and the cam causes the truck to stall after sitting at idle in gear after about 30 seconds. Pease Help!
Post Fiend
Joined: Oct 2003
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From: New Jersey
The advantage of a chip is you can give your specifications in application, vehicle weight, rpm range, heads, cam and so on to the chip maker and they'll sell you a chip that's very close. And that's that.
The advantage of tweecer, is you can adjust your EEC to your liking, for your application, weight, rpm range, heads cam and so on, now AND IN THE FUTURE as you upgrade. The disadvantage is there's a learning curve.
It's a tradeoff. Instant gratification, versus learning curve and unlimited flexibility.
The advantage of tweecer, is you can adjust your EEC to your liking, for your application, weight, rpm range, heads cam and so on, now AND IN THE FUTURE as you upgrade. The disadvantage is there's a learning curve.
It's a tradeoff. Instant gratification, versus learning curve and unlimited flexibility.
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From: arlington TX
thanks for the helpful info. I would like to go the chip route, but all the chip manufacturers I have contacted, as well as most of the most of the aftermarket performance world, do not make products for my speed density/E4OD truck. Does anybody know who makes chips for old trucks like mine? the S.D. conversion kits for E4OD trucks start around $1100 since they discontinued the FMS lightning kit, and the tweecer web site doesn't list my truck. I have heard that it may work and if it would solve my problems I would jump on it, but have been unable to find a performance shop in the DFW area that sells it.
Tuned
Joined: Oct 2003
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From: Grayling, MI
I have been wondering about the mass air conversion too. Want to put some more power in my 95 5.8, but not sure about how to go about the computer part of it. BTW what is a tweecer? I think the 4R70W is more like the AOD and the 4R100 is the updated version of the E4OD.
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From: Brampton Ontario Canada
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Fleet Mechanic
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From: Montana
Its a tuner for your ECU. Theres no cheap way around it man the mass air swap is a kick in the ***** Im going through it right now...all in all the swap is going to cost me around 1200 bucks i think. Im just going to use the FMS kit with a transmission contraller and separate the two.
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New User
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From: arlington TX
I guess I'm gonna have to put off the much needed paint job and drop some cash on a conversion kit. I just rebuilt the motor so I may as well get it running right. mass-air.com sells a kit with a pc programmable trans controller starting around $1200. yes its a big kick in the ***** but I dont plan to stop the mods yet and it seems like my best option. thanks again for all the help, I would still consider other options if there are any but it looks a little grim.
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From: Calhoun GA
Originally Posted by s.bittner
I guess I'm gonna have to put off the much needed paint job and drop some cash on a conversion kit. I just rebuilt the motor so I may as well get it running right. mass-air.com sells a kit with a pc programmable trans controller starting around $1200. yes its a big kick in the ***** but I dont plan to stop the mods yet and it seems like my best option. thanks again for all the help, I would still consider other options if there are any but it looks a little grim.
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From: arlington TX
I will keep trying, I tried motorhaven but they said since I have a 94 motor in my truck they dont have a chip for me. I don't know what difference that makes since the cam is the only difference from the 91 to 94 motor but they also told me to call superchips which I plan to do and I will do some more research on this site I have a few months before my inspection is due to make up my mind.
Mountain Pass
Joined: Aug 2005
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From: Seattle
The 4R70W and AODE are virtually the same transmission, not the E4OD. The E4OD is a more heavy duty transmission and I would agree that a computer designed for an AODE will not properly control the E4OD. I certainly have not read anything that would give me that idea. The way I see it, you have two ways to go. One, find a computer for your setup, which means you need to pay close attention to the wiring harness to make sure it matches up properly. Or two, get a separate transmission controller for the E4OD.
As for the chip thing, I would wait until you get the mass air computer installed and see what you have at that point. I would think the a 5.0 mass air computer would handle the changes you made just fine and not need any major tuning to take advantage of your new cam and heads.
As for the chip thing, I would wait until you get the mass air computer installed and see what you have at that point. I would think the a 5.0 mass air computer would handle the changes you made just fine and not need any major tuning to take advantage of your new cam and heads.
Post Fiend
Joined: Oct 2003
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From: New Jersey
Originally Posted by s.bittner
I will keep trying, I tried motorhaven but they said since I have a 94 motor in my truck they dont have a chip for me. I don't know what difference that makes since the cam is the only difference from the 91 to 94 motor but they also told me to call superchips which I plan to do and I will do some more research on this site I have a few months before my inspection is due to make up my mind.
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From: arlington TX
My 94 was an OBD1 I don't think they were OBDII until 96 except maybe on CA trucks but I may be wrong. I will try giving them 93 info. The 94 has a different firing order due to the cam, but that should not matter with the bank firing of my 91 system
Post Fiend
Joined: Oct 2003
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From: New Jersey
Well, if you're running 91 EEC on anything, you want a chip for the 91 EEC.
And you're right, generally speaking OBD-II didn't hit Ford trucks across the board until 1996, however 94-95 there were some, in some states, and not consistantly in 94 either.
And you're right, generally speaking OBD-II didn't hit Ford trucks across the board until 1996, however 94-95 there were some, in some states, and not consistantly in 94 either.