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Author Topic: EFI related question  (Read 985 times)
1970_347
6 Banger
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Location: Maine

« on: November 20, 2017, 11:29:23 am »

Would i be better off modifying a factory explorer harness or buying aftermarket to get the engine trans combo to work in my 70 mustang?

I am buying a running driving 2wd 302 explorer and taking ANYTHING that might be useful in the swap.

(the 347 long block is going to stay, all the rest of the crap is coming off the exploder engine)
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1970 Mustang
347 - world products heads, mild cam,
performer RPM intake, Holley 750 4160 carb. C-4, 8.8  rear.

Drive train going to change quite a bit soon
juiced coupe
Six figures worth of don't give a f*ck
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Big Block
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Location: Pascagoula, MS
The land mass between New Orleans and Mobile


« Reply #1 on: November 20, 2017, 12:48:18 pm »

I'd say that a Mustang harness and computer would be a better starting place.
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Doing more with less, or something like that.
http://sbftech.com/index.php/topic,20009.0.html

Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't

You might need some Titanium rods and a flow bench!  LMAO on floor

I honestly don't get it.

I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that. 
knucklefux
Adv_SBFTechie
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Location: leesburg, ga

« Reply #2 on: November 20, 2017, 02:28:11 pm »

Depends on the year of the explorer.

If it has a distributor, mustang stuff is a better place to start.

If it's EDIS, you need the explorer stuff if you're planning to keep it distributorless and you want it to be plug & play.  If you don't mind doing some custom wiring, the mustang ecu and harness is the better choice.
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95 gt-R.I.P.
2004 cobra-needs more boost
1970_347
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Location: Maine

« Reply #3 on: November 20, 2017, 03:13:30 pm »


the Explorer can be tuned with EFI live or another tuning software,
all the fox computers are OBDI aren't they?
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1970 Mustang
347 - world products heads, mild cam,
performer RPM intake, Holley 750 4160 carb. C-4, 8.8  rear.

Drive train going to change quite a bit soon
Teddyzee
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Location: Nova Scotia Canada

« Reply #4 on: November 20, 2017, 04:29:28 pm »

The Explorer harness may be a good choice. If you are using the 4r70w, the Ex ecu will control it.
Almost all connections you want from the engine harness are in the single 42-pin connector. (power, ground, all gauges, etc.)
If it's later than 1997, the PATS system can be disablef in the ECU.
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'97Ranger 5.0 HO EFI T-5
'97 Mustang GT
1970_347
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Location: Maine

« Reply #5 on: November 21, 2017, 11:43:35 am »

Haven't bought one yet, yes with the 4R70W.
looks like I am going for a 1996.

The car is still 420 miles away from me, with 7 or 8 projects ahead of it. Still planning right now.

But EFI, auto w O/D, power 4 wheel disc and A/C.


Along with fresh body/paint and new factory style upholstery. Going to make for a great summer cruiser.
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1970 Mustang
347 - world products heads, mild cam,
performer RPM intake, Holley 750 4160 carb. C-4, 8.8  rear.

Drive train going to change quite a bit soon
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