My swap was in my 93 van. It has an AOD in it and when I went to order the flex plate they told me that all 351,s from 86 on up used the same flexplate no matter what tranny is behind it. I used a 94 roller cam 351 out an F150 and stuck with my fuel injection using all of the original 302 wiring. The only thing I had to do was swap injector firing order on 4 and 7. I also drilled and tapped a hole for the knock sensor. The motor purrs like a kitten but sounds terrible because I haven't gotten the exhaust all put back together yet. I can't find a header pipe to fit my needs so it is "rigged" till I get it to the exhaust shop for some custum work.

 

Why did you add the knock sensor. its not needed . as for the flexplate, that maybe true but not something you want to find out being incorrect when you got everything together. papadace does your tranny have an OD button either on the dash or on the end of the shifter?

 

I was told that the knock sensor wasn't needed but I wasn't sure how the computer would react to not having it hooked up. I was also told that Ford didnot put AOD,s in vans in that year. Go figure? It is just a run of the mill AOD nonelectronic. I have to pull the shifter down out of overdrive when I'm pulling my trailer. I had my suspicions thinking that the tranny had been swapped in but there is no overdrive button and the shift indicator is correct to the tranny. I don't know how it is going to hold up behind the 351. That will probably be my next project. I'll run it till it gives up.

 

Aod's were matched behind 351w in cars for years with no problems other than the usual AOD problems and as it's only a 1/2 in or so different in length than a C6 and the bolt spacing for the flex plate is the same for all Ford autos of the C6/aod/e4od and such where's the problem?

 

well ive had my 351 bolted to the AOD for a year now and its held up well. the tranny does have 170k on it though so by next summer at the latest it will get a freshen up.

 

go with the 351. i have a 347 in my 86 capri and it's costing me a mint but oh is it so much fun. the power it makes at 4000 rps and up is my wife hates it.

 

As far as the flexplate goes here is what I ran into when I put an AOD behind my 351 in a 71 F100. I pulled a C-6 out so I had that flex plate all ready. I bought a flexplate for an AOD with a 351 and compared it to the c-6 one. yes the bolt patterns to the crank are all the same but the offset is different between the 2. In other words if I had used the c-6 plate it would not of allowed the nose of the torque convertor to stick trhough and ride in the crank. The AOD is offest for to allow the torque convertor to move closer to the crank so it'll ride in the hub. I did'nt take any chances and used the AOD flexplate. It has AOD stamped right on it and was only around $45

Clint

 

glad to see someone else that has done this. i just changed motors not trannys so really i couldnt be certain about this. its totally worth the $45 insurance to have the correct unit. do it right the first time it pays off in the end.

late

 

just curious if it's different how will it affect the starter engaging , as far as I know Ford uses one starter for the autos and one for the manuals

 

its not so much about the starter but how the converter mounts to the flexplate. the teeth distance is the same for all but some flexplates recessed more then others to make up for different torque converters and such.

 

I'm still using the same starter I had on the c-6. As I said, the c-6 flexplate may work and I have had people tell me I did'nt need an AOD flexplate. I stood the 2 side by side and took some measurements and determined on my truck I was going to use the AOD flexplate. I could see the difference with only my eyes between the 2 so there is a pretty good difference.
I don't think an AOD tranny will have the proper amount of support on the torque converter snout when using a c-6 flexplate.
Clint

 

Kemicalburns,

When you did your swap, did you change EEC's from a 5.8 application or use your stock one for the 5.0? I plan on using the C3W1 EEC (Mustang 5.0) that came with my MASS air conversion.

 

I am still speed density. so i swapped over to a 351 ecu. but if your mass air conver came with that ecu then i would use it.

did you check out that website. cause there are a few mass air ecu's available and the site might talk about which one is better.

late