Convert GM T56 to Ford T56?

KiwiGT · Jan 9, 2010

I have the chance to buy a new GM T56 at a great price. I'm thinking about putting it behind my 342 stroker. My car currently has a Modern Driveline complete T5 setup, including cable clutch.

I know GM T56's have a 26 spline input shaft which is a different length to the Ford input shaft.

Is it as simple as buying the ford 10 spline input shaft and replacing the GM 26 spline input shaft ?.

I know I'll need a bellhousing and rear mount, and I know its a tight fit in early Mustangs with associated driveline issues, but I'm not bothered by that.

thanks

latamud · Jan 9, 2010

The 26 spline is stronger. It can be machined down to Ford spec.

KiwiGT · Jan 9, 2010

latamud said:
The 26 spline is stronger. It can be machined down to Ford spec.

Thanks for your reply. I saw on forums a while ago you were looking to adjust your gear lever throw on your T56. Did you see this ?Billet Shifter Relocation Kit

latamud · Jan 9, 2010

KiwiGT said:
Thanks for your reply. I saw on forums a while ago you were looking to adjust your gear lever throw on your T56. Did you see this ?Billet Shifter Relocation Kit

AAAAAAAAAAAAAAAAAAAAAAAAHHHHHHHHHHHHHHHH!!! That's basically what I've been looking for. I made my own.

DukeGnarley · Dec 3, 2010

hey, I've been researching transmissions trying to decide between tko600, gforce t5, and a t56. I was thinking t56 only because i might be able to get a used GM unit. After searching around for a while, I came across Mcleod part number 8750-06. It's a modular bellhousing that will adapt the GM t56 to the windsor engine. Summit lists it as being for the modular 4.6, but on the Mcleod website it says it's for the windsor. The 4.6 one is a different part number.

yes this is a thread resurrection, but i thought it was relevant.

Rusty67 · Dec 5, 2010

The front cover on the T56 is modular and the front intermediate plate determines what bellhousing will bolt on. You need to get the proper front plate for the bellhousing you are going to use. If you get a front plate from a Ford T56 you can use a standard 4.6L bellhousing but that wont help you with a 5.0. Maybe there is a cheaper bellhousing to go from the 4.6L front plate to a 5.0, 450 bucks for a bellhousing seems a bit pricey.

The new T56 magnum is NOT externally the same dimensions as the older T56 despite what resellers have been telling me, ask me how I know.... It is a few inches shorter and may fit better in the trans tunnel but the shifter is moved slightly forward.

DukeGnarley · Dec 5, 2010

If you were planning on upgrading to an sfi bellhousing anyway, it's not that bad.

Convert GM T56 to Ford T56?

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