2.9L A4LD conversion to C5

Jonodo · Dec 12, 2008

I have a 86 Ranger XLT 2.9L and the A4LD has begun to start puking. I Just had the thing rebuilt not even 60 000 km ago. The tranny shop that rebuilt it said that it is not possible to mount a C5 to the 2.9. That the bolt patterns on the bell housing flanges are different. I read the tech pages but am still confused.
I am mechanically inclined but a welder :icon_welder:

by trade. So expect a lot of questions.

Question 1: I live in the foot hills of Alberta (Calgary), Now would this terrain screw a tranny after a complete rebuild in only 54765 km?

Question 2: Would it really cost $1800 just to change the shift bands?

Question 3: Will a C5 Fit and how hard is it to get it in there?

If Anyone has any questions about proper weld procedures I'm your man.

Thanks in advance

Jon

Jonodo · Dec 12, 2008

I have no idea why this posted twice.....?

Redriverranger · Dec 13, 2008

The C5 from behind a 2.8 will bolt to your 2.9. The C5 also came factory behind v8's, so that is probably where they are confused as they are a different bolt pattern. It has an interchangeable bellhousing just like the C4. I recommend replacing the flexplate with the 2.8 flexplate and spacer as well. It is a shorter transmission, so crossmember and driveshaft modifications are necessary. You can re-use the starter you have. You have to come up with a shifter.

Ranger Dave · Dec 13, 2008

The C5 also came factory behind v8's

what V8's and in what

blue83ranger · Dec 13, 2008

I did this swap on my '86 2.9 extended cab 4x4. only we had used the main shaft and tailhousing off a c5 and put them on a C4. What Redriverranger said is correct. and i used the shifter from a C5 but the lingage was already moded just to be one rod instead of the way it was stock.

Redriverranger · Dec 13, 2008

Ranger Dave said:
The C5 also came factory behind v8's

what V8's and in what

Early to mid 80's full size trucks. They all used a larger bellhousing and torque converter. That is where the lock up converter crap that everyone talks about came from. The larger cousin. As far as I can tell, and my local tranny shop confirms, BII's and Rangers never had a lock up converter C5. They all had a very small high stall converter. The lock up converter that the service manuals refer to was in the larger straight 6 and v8 tranny's.

And before anyone asks, I have two v6 c5's, one of them in my truck.

2.9L A4LD conversion to C5

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