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Topic: ecu or computer? (Read 1746 times) previous topic - next topic

ecu or computer?

i need to know where the ecu or computer is that controls the cars efi. and is their any diff. in the 302 to 302ho that makes me have to switch the computer and engin harnes?
[SIGPIC][/SIGPIC]
88 5.0L aod with duel flowmaster and speedo mod
88 5.0L H.O with 5 speed R.I.P
87 3.8L no trans. geting h.o and 5speed (project never ending thunder) started it as of 8-14-10
96 bronco xl 5.0L 5 speed man4x4
:birdsmily:

ecu or computer?

Reply #1 –
Quote from: hellsing73;214505
i need to know where the ecu or computer is that controls the cars efi. and is their any diff. in the 302 to 302ho that makes me have to switch the computer and engin harnes?


The eec is in the pass. side kick panel, behind some carpet/cover.
And yes, there's a difference between the SO, and the HO eec's.
'98 Explorer 5.0
'20 Malibu (I know, Chevy, but, 35MPG. Let's go brandon, eh)

ecu or computer?

Reply #2 –
ok thx you for the help. what about the engine harnes?
[SIGPIC][/SIGPIC]
88 5.0L aod with duel flowmaster and speedo mod
88 5.0L H.O with 5 speed R.I.P
87 3.8L no trans. geting h.o and 5speed (project never ending thunder) started it as of 8-14-10
96 bronco xl 5.0L 5 speed man4x4
:birdsmily:

ecu or computer?

Reply #3 –
If you stay speed density,the harness can be left alone.If you go Mass Air,you have some wiring changes to do.
'88 Sport--T-5,MGW shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

ecu or computer?

Reply #4 –
it has to changed to mass. the motor in the other bird i wrecked has mass.
[SIGPIC][/SIGPIC]
88 5.0L aod with duel flowmaster and speedo mod
88 5.0L H.O with 5 speed R.I.P
87 3.8L no trans. geting h.o and 5speed (project never ending thunder) started it as of 8-14-10
96 bronco xl 5.0L 5 speed man4x4
:birdsmily:

ecu or computer?

Reply #5 –
Just because the motor had Mass Air doesn't mean you have to have it in your car.If it's a basically stock 5.0 H.O.,Speed Density should be fine.If it's got a lot of mods (heads,cam) Mass Air may be needed.If you have to go Mass Air,get the kit from Ebay and follow the instructions to a "T".You'll be fine after that.If you keep Speed Density (for a somewhat stock H.O),the DA1 is a really good computer and works well with a 5 speed.
'88 Sport--T-5,MGW shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

ecu or computer?

Reply #6 –
i know that the motor and t-5 is out a mustang and to eec is too. it has the mass air so it will be best bet to stay with it right?
[SIGPIC][/SIGPIC]
88 5.0L aod with duel flowmaster and speedo mod
88 5.0L H.O with 5 speed R.I.P
87 3.8L no trans. geting h.o and 5speed (project never ending thunder) started it as of 8-14-10
96 bronco xl 5.0L 5 speed man4x4
:birdsmily:

ecu or computer?

Reply #7 –
Not necessarily.Speed Density isn't a bad system.I've been told many times that a factory Speed Density car is faster than a factory Mass Air car (A little).Keep the Mass Air computer and use it later when you mod the engine,or,as I stated,just buy the Mass Air conversion kit off Ebay for something like $40.00 and get busy wiring that car up.Once you do the mods to your harness (Just a few wires to deal with,move two,add two,splice two....that's it),install the meter under the hood,air intake tubes,and off you go.
'88 Sport--T-5,MGW shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

ecu or computer?

Reply #8 –
the car i wrecked has the mass air in it allready. wired up to the motor
[SIGPIC][/SIGPIC]
88 5.0L aod with duel flowmaster and speedo mod
88 5.0L H.O with 5 speed R.I.P
87 3.8L no trans. geting h.o and 5speed (project never ending thunder) started it as of 8-14-10
96 bronco xl 5.0L 5 speed man4x4
:birdsmily:

ecu or computer?

Reply #9 –
If the wrecked car is a T-Bird,swap harnesses maybe.I tried to swap a harness from an '87 to an '88 and it wouldn't work.If they are both 5.0 cars of the same years,swap that harness and rock on.I swapped the harness in about 30 minutes.No big deal.
'88 Sport--T-5,MGW shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

ecu or computer?

Reply #10 –
the other car is an 87 but i think the harnes in my wreacked one is out of a mustang.
[SIGPIC][/SIGPIC]
88 5.0L aod with duel flowmaster and speedo mod
88 5.0L H.O with 5 speed R.I.P
87 3.8L no trans. geting h.o and 5speed (project never ending thunder) started it as of 8-14-10
96 bronco xl 5.0L 5 speed man4x4
:birdsmily:

ecu or computer?

Reply #11 –
The Mustang harness will NOT work, at all.

There's no point real point in retro swapping back to SD (speed density) especially if you plan to mod the engine later on.
If you go to a very much larger cam, or most aftermarket heads, you'll need MA anyway...

Do as Vin suggests and get the ebay MA coversion, and add it to your Tbird harness, use the stang engine and ecm, and you'll be golden.

The biggest prob with a Mustang harness in a Tbird is that it does not interface with any of the Tbird connectors.

Also, the 5.0 Thunderbird/Cougar engine harnesses are a bit different from '87 to '88, mainly in the connectors...stick with the same year of harnesses, regardless of engine year...example: if your car is an '88, then don't mess with an '87 harness, even if the engine IS an '87...unless you wanna change your dash wiring, and some other stuff that I can't remember.
Sorry if this confuses you...hope this helps :D
'98 Explorer 5.0
'20 Malibu (I know, Chevy, but, 35MPG. Let's go brandon, eh)
 

ecu or computer?

Reply #12 –
i get most of it but the tbird i wrecked has the mustang motor in it from a 94 i think. i found a tbird by me thats an 87 with a 302 in it. so i just want to know if i just swap the motor from my wrecked bird to the need one.
[SIGPIC][/SIGPIC]
88 5.0L aod with duel flowmaster and speedo mod
88 5.0L H.O with 5 speed R.I.P
87 3.8L no trans. geting h.o and 5speed (project never ending thunder) started it as of 8-14-10
96 bronco xl 5.0L 5 speed man4x4
:birdsmily: