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Ford 8,8" Cosworth differential

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Old Sep 3, 2024 | 11:19 AM
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Default Ford 8,8" Cosworth differential

Got tired of the old 7,5" breaking and I never liked the Supra conversions. Now that they are no longer available and 9" motorsport diffs are astronomically expensive I developed a direct fit Ford 8,8" differential housing and axles to fit 2wd beams with no modifications required in the chassis (OEM hanger points). It bolts on standard 2wd driveshafts. The housing is made out of aircraft spec 6082-T651 alumnium and the axles are 4340QT-steel hardened (not hardened on the pictures though).

The Ford 8,8" is a proven and extremely strong unit found in many american trucks and mustangs. They even swap Supra MK4 220mm and GTRs to this unit as its proven at 1500hp. A lot of ratios and different lockers / LSD's are available such as Eaton truetrac, OS Giken 1,5/2-way and Yukon LSD. On the prototype I opted for a Yukon duragrip LSD with Ford Performance gears.

My housing accepts all Ford 8,8" parts, such as bearings and seals in order to be as cost effective as possible. Currently we are testing out the unit on track.




































Best regards,
Andreas
@risengdesign on instagram

Last edited by nixon_2wd; Sep 3, 2024 at 11:22 AM.
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Old Sep 3, 2024 | 01:32 PM
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Wow, extremely impressive this!

But it also looks very expensive. You basically machined everything, diff housing, cover, flanges and then you still need to buy the actual diff, crown wheel and pignion. How does the total cost compare to the 9" and the Supra diff?
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Old Sep 3, 2024 | 04:27 PM
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Originally Posted by Marc sierra
Wow, extremely impressive this!

But it also looks very expensive. You basically machined everything, diff housing, cover, flanges and then you still need to buy the actual diff, crown wheel and pignion. How does the total cost compare to the 9" and the Supra diff?
The internals are cheap. You get a complete kit for $700.

Will get back regarding price but I aiming for about half the price of a 9"

Last edited by nixon_2wd; Sep 3, 2024 at 04:30 PM.
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Old Sep 3, 2024 | 05:50 PM
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Fantastic job mate

I really like the fact that you used a small stepover whilst doing the finishing cuts, takes a lot longer but really look nice!
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Old Sep 3, 2024 | 10:53 PM
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great idea and looks so well executed andreas
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Old Sep 7, 2024 | 09:58 AM
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Stunning job mate!
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Old Sep 11, 2024 | 04:11 PM
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Hi, the internals from bmw e60 M5 can they fit ?
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Old Sep 11, 2024 | 07:30 PM
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Originally Posted by Thanasis
Hi, the internals from bmw e60 M5 can they fit ?
Dont know!
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Old Sep 12, 2024 | 07:57 AM
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what ratios are available in this setup andreas?
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Old Sep 12, 2024 | 09:02 AM
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James, a lot of ratios available for the 8.8":

3.31, 3.45, 3.55, 3.73, 3,90, 4.10. 4.11, 4.30, 4.56 and 5.14

https://www.ebay.com/itm/33317057635...mis&media=COPY


Andreas

Last edited by nixon_2wd; Sep 12, 2024 at 09:03 AM.
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Old Sep 12, 2024 | 09:23 AM
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Wow thats some dedication. Great work!
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Old Sep 12, 2024 | 10:04 AM
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Hi Andreas
Where are you based?
Do you have a rough costing on these ?
Any production dates?
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Old Sep 12, 2024 | 10:07 AM
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Originally Posted by haz87
Wow thats some dedication. Great work!
Thanks!

I got injured pretty bad last year so I suddenly had a lot of time to bring this idea I've had for several years to life. It was a massive amount of work but also a good challenge!

Andreas
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Old Sep 12, 2024 | 10:11 AM
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Originally Posted by a1jack60
Hi Andreas
Where are you based?
Do you have a rough costing on these ?
Any production dates?
Hi!

I am based in Norway.


Andreas

Last edited by nixon_2wd; Dec 1, 2025 at 01:01 PM.
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Old Sep 12, 2024 | 11:59 AM
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Originally Posted by Thanasis
Hi, the internals from bmw e60 M5 can they fit ?
Hi Thanasis, I tried replying to your PM but it says that you have disabled that or that you are not allowed to receive PMs for some reason.

Andreas

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Old Sep 12, 2024 | 12:07 PM
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Originally Posted by nixon_2wd
Hi Thanasis, I tried replying to your PM but it says that you have disabled that or that you are not allowed to receive PMs for some reason.

Andreas
I don't know what happen,i will check it later and let you know,thank you
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