efi and c4 swap

litebulblsc · 09-03-2006

i am buying a 76 cobra II.
It has the 302 and rad4 trans.
Well i got ahold of a 87 lincoln with the efi 302.
And then i also got a c4 trans.
well i want to know if i will have a problem mating the c4 trans to the 89 motor (not the orig. one)

speedytang · 09-04-2006

Not really. The EFI computer wants a VSS signal but you can get a adapter for that.

**74stang2togo** · 09-04-2006

The hardest two things to do when swapping in an EFI engine are fitting the wiring harness/ECU and having O2 sensor bungs installed in your exhaust pipes or headers. Neither is undoable. You will need to reuse your Mustang II oil pan and oil pump pickup though. (as well as whichever manifolds or headers you are currently using).

litebulblsc · 09-04-2006

Ya, i know some of that stuff, (what i dont know my bro does)
but i was reading around the site and i saw somewhere that someone said that before 83 they used a liter flywheel/flexplate
and 83 and later used a heavier one

and whats the vss signal?

litebulblsc · 09-05-2006

i guess i will find out for myself then

speedytang · 09-06-2006

The VSS tells the computer how fast your moving and you can run without that signal but the car won't settle down on idle because it thinks the car is still moving and will keep the IAC open. The VSS is used for Cruise which you probably careless about but it also seems to control the slow speed timing also. You can get a VSS that goes between your transmission and the speedometer cable.

5.0 in a 66 · 09-06-2006

You'll need a TCI flexplate from summit ($60) because ford never made a 5.0/C4 flexplate AFAIK. Has to be 50oz and 157 tooth IIRC

litebulblsc · 09-06-2006

can you give me a link to those things.

litebulblsc · 09-13-2006

Hmm, well I cant find the ecu.

speedytang · 09-13-2006

What ECU are you looking for. I have a modified Speed Density ECU which I was going to convert my car from MAS to SD to rid myself of the meter, but changed my mind because the Speed Density computer I have has been modified internally for more timing and such and it just will not work with my supercharger.

litebulblsc · 09-13-2006

well i dont have any money so i was going to use the stock lincoln one.
Which is just going to be a crap load of my work.

litebulblsc · 09-14-2006

sorry for the chain post, but does anybody know a lincoln forum where i can sell the parts off the engine donor car.

litebulblsc · 09-20-2006

http://i99.photobucket.com/albums/l2...c/IMG_0275.jpg

heres the only pic of my cobra II that i got. That is when I switched to a manual rack.

and heres one of a totally rusted out ghia

http://i99.photobucket.com/albums/l2...c/IMG_0353.jpg

this is the lincoln that i am getting the motor from.

http://i99.photobucket.com/albums/l2...c/IMG_0274.jpg

and last is a few shots of my dads tomato
http://i99.photobucket.com/albums/l2...c/IMG_0357.jpg
http://i99.photobucket.com/albums/l2...c/IMG_0356.jpg

litebulblsc · 11-11-2006

will this work, i got all the other stuff now.

http://store.summitracing.com/partde...5&autoview=sku

litebulblsc · 11-14-2006

Quote:

Originally Posted by 5.0 in a 66

You'll need a TCI flexplate from summit ($60) because ford never made a 5.0/C4 flexplate AFAIK. Has to be 50oz and 157 tooth IIRC

Just to let you and everyone else here know, you are wrong. What you have to do is get the stock mII flexplate rebalanced because it is smaller then any tci sells. There is one place i know opf that sells a 50 oz one that will fit, but i cant' think of the place. And also ford has made plenty 5.o/c4 flexplates.