Ive Been Thinking About My 5.0 Swap

"Denver Is Stuck In The 90s" (denver80222)
07/11/2016 at 01:13 • Filed to: None

So the block is a Windsor 302 out of a 1993 Bronco and the trans is essentially gonna be an M5R2 out of a 1993 F-150 (its really out of a Bronco but because Im converting it to RWD, It will be the equivalent to one out of a RWD F150). The heads and intake will be from an 89 Mustang (GT40/HO). If I grab injectors, wiring, emissions equipment and an ECU from a manual 89-93 5.0 foxbody, would I need to modify the programming on the ECU at all? Even though the bottom end and the transmission, while technically different are very similar? I mean, OBD1 is rudimentary but is it that rudimentary?

DISCUSSION (14)

TheD0k_2many toys 2little time > Denver Is Stuck In The 90s
07/11/2016 at 01:18

Manual trans is no issue probably no wires at all from it to the computer. Only wire will probably be for the reverse lights.

David Baker > Denver Is Stuck In The 90s
07/11/2016 at 01:22

I believe the 5.0 HO (Mustang) has a different firing order. I don’t think the bottom end is compatible with the mustang computer.

Birddog > Denver Is Stuck In The 90s
07/11/2016 at 01:26

Ford’s EEC IV was almost as good as it gets for EFI. Adaptable and intuitive.

There’s no GT40 89 Mustang. Not stock at least. The only true production GT40 was the 1G Lightning and 93 GT-R.

Denver Is Stuck In The 90s > David Baker
07/11/2016 at 02:18

Youre right cylinders 3 and five as well as 7 and 4 are switched between the bronco and the stang

I Will Always Be The Honey Badger > Denver Is Stuck In The 90s
07/11/2016 at 02:31

Kinja'd!!!

You know, depending what you want to do with the truck i’d really be tempted to convert it to a carb. The EEC EFI system is alright, but once you start modding it from stock you need the proper equipment to tune it and it starts getting expensive. If you want a daily driver with a stock idle, good mileage, and all your gauges working like factory then by all means tackle the wiring and the EFI. Otherwise, say hello to to a rumbling idle, snappy throttle response, and a quick install. Bolt it on and take it to the oldest speed shop in the area to let them adjust the carb and set the timing curve.

Spridget > Denver Is Stuck In The 90s
07/11/2016 at 02:35

You could just ditch the injectors and go for a carb.

jovimon7 > Denver Is Stuck In The 90s
07/11/2016 at 03:10

Use the cam (and firing order) from the Mustang also and it would work.

Denver Is Stuck In The 90s > I Will Always Be The Honey Badger
07/11/2016 at 10:36

Cant Convert to Carb. Colorado engine swap laws are as follows:

- Donor block is same type of vehicle

- Donor block is same make

- Donor block is same year or newer

- Donor block has same emissions equipment as the block it is replacing

So I can only use a 1993 or newer fuel injected Ford truck engine that doesnt have an EGR valve, has 2 cats and a MAF sensor. Which is what I got, although I will have to convert it to MAF

Denver Is Stuck In The 90s > Birddog
07/11/2016 at 10:37

fair enough but the 89 HO mustang heads are stamped “GT40". I know theyre Iron so theyre not “real”, but its the same design

I Will Always Be The Honey Badger > Denver Is Stuck In The 90s
07/11/2016 at 12:02

Ooh I forgot other places have smog laws. I wish you good luck.