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Discussion Starter · #1 ·
I want to install a ZF6 in my 08 F350.

Has anyone or does anyone know of someone who swapped their 5R110 for a ZF6 in an 08+ truck ?

I'm specifically wondering about the transmission tunnel differences between a manual and automatic truck.

I'm also wondering what changes I am going to have to make to the lower dash and if the clutch can be installed in a vehicle with the power adjustable pedals. I haven't looked under the dash yet.

Thanks
 

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Discussion Starter · #3 ·
I don't think its going to be that difficult.

And it will be a great truck (for me) when its done.
 

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Sheesh I guess My Idea of difficult and your are way different ?

I was reading some of the other manual swap threads for even earlier years and dang it was labor and parts heavy ,,Auto to Manual Converstion - PowerStrokeNation : Ford Powerstroke Diesel Forum

then you need to deal with the programing ETC like mentioned above

not to pollute your thread I've seen your work I know you can do it:ford:
 

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I want to install a ZF6 in my 08 F350.

Has anyone or does anyone know of someone who swapped their 5R110 for a ZF6 in an 08+ truck ?

I'm specifically wondering about the transmission tunnel differences between a manual and automatic truck.

I'm also wondering what changes I am going to have to make to the lower dash and if the clutch can be installed in a vehicle with the power adjustable pedals. I haven't looked under the dash yet.

Thanks
Have you driven a stock 6.4 with a manual?
 

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Discussion Starter · #12 ·
This isnt my first swap, guys. i know what i am up against. Its fairly straight forward, once i figure out the transmission issues.

Southbend has a kit for the 6.7/zf6 setup. Its $900 with a flywheel to replace the dual mass flywheel on the 6.7. No big deal.

My F250 has a stock 3rd gen Cummins and zf6 and my F350 has a stock 6.4 and the 5R110. There is this hill... the F250 pulls it easily in 6th at 60 MPH, 1700ish RPM. I cannot get the F350 up that hill without downshifting.

The OD ratios in the trucks are nearly the same, 0.72 versus 0.71.

I don't see any reason why the 6.4 in the F350 should be downshifting at 1600 RPM.
 

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Discussion Starter · #13 ·
Then there is this.



 

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I think we can all agree a stock 6.4 is a complete dog, but why spend all that money to swap it, when a simple tuner and a few deletes will yield you much more gains per dollar?!
Sure the cummins will get better mileage, but how much better compared to a tuned 6.4? Is the cost of the swap and all parts needed really going to be worth it in the end? Or would it be more cost effective to save 12k and suffer 3mpg less for the next 300k miles and spend ~$11,000 more in fuel.
 

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Discussion Starter · #15 ·
When all is said and done, ie I've sold my 6.4 and the 5R110, its going to cost me about $2,000 to swap in the Cummins. Its a bit of work, but its not that expensive.

I'll never wear out a Cummins 6.7. The only thing I've done to the 5.9 in my F250 is change oil. I'm pretty sure that sooner or later a Ford 6.4 will give me grief.

The other thing is that EFI live is becoming available for the 6.7.

No offence to any 6.4 lovers.
 

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Your right, I forgot to include sale price of the motor :duh: I guess I just dont agree with all these cummins swaps, but hey its your truck! I have replaced several 6.4 motors for customers. They almost all come about because of either lack of maintenance or failure because of the injectors getting hung up during regen. But nonetheless I still love them haha. Goodluck on the swap.
 

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Discussion Starter · #17 ·
I have replaced several 6.4 motors for customers. They almost all come about because of either lack of maintenance or failure because of the injectors getting hung up during regen.
So what was done to prevent the engines from failing a second time in those trucks ?

What sort of lack of maintenance causes a 6.4 to fail ? The oil change interval on a 3rd gen Cummins is 15K miles.

The definition of insanity is to keep repeating things and expecting the outcome to be different.
 

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Discussion Starter · #18 ·
"Im off of warranty and am sick of paying 5000.00 to pull and replace the cab every time something goes wrong. Parts for the 6.4 will always be expensive due to the short build run. The cummins is proven, and that's hard to ignore. Dollar for dollar I can get more from a cummins, and Ive always wanted to do it. "

Conversion Porn - PowerStrokeArmy
 

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I dont know if you found anything, but I have a couple zf-6s 4x4s from 6.0s. If your interested shoot me a pm. Thanks.
 

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Discussion Starter · #20 ·
I dont know if you found anything, but I have a couple zf-6s 4x4s from 6.0s. If your interested shoot me a pm. Thanks.
I'll be using an 08+ zf6 and I have a few lined up.
 
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