Engine and Transmission Tech

tips, technology, tools and techniques related to vehicle driveline components

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pcmenten
Paul Menten

(242 posts)

Registered:
10/08/2009 10:40AM

Main British Car:
ZF transmissions bellhousing interchange
Posted by: pcmenten
Date: January 27, 2017 11:40AM

Anybody familiar with ZF transmissions?

I have a ZF 4HP22 that was attached to a Rover 4.0. The bellhousing is removable. I was just curious to know if other ZF transmissions would fit up to that bellhousing.


DiDueColpi
Fred Key
West coast - Canada
(1365 posts)

Registered:
05/14/2010 03:06AM

Main British Car:
I really thought that I'd be an action figure by now!

authors avatar
Re: ZF transmissions bellhousing interchange
Posted by: DiDueColpi
Date: January 27, 2017 12:47PM

The only trans that will fit that bell housing are the 4HP22 and 4HP24 Paul.
The bell housing for the 22 is smaller due to a smaller diameter torque converter.
The 24 is a stronger trans rated @ 330ftlbs torque while the 22 is 260 ftlbs.
The 24 however is an electronic trans so you would need to provide a method of control for it.
Or just swap out the 24 internals into a 22 case.
Mods are available to gain more strength if needed, thanks to the BMW crowd.
While the ZF in the landrover was a 4WD configuration, it was also used in Austin, BMW, Jaguar, Lincoln, Mercedes, Volvo, Peugeot and some Chevy imports as a rear wheel drive trans.

Hope that's helpfull.

Cheers
Fred


pcmenten
Paul Menten

(242 posts)

Registered:
10/08/2009 10:40AM

Main British Car:
Re: ZF transmissions bellhousing interchange
Posted by: pcmenten
Date: January 27, 2017 04:20PM

Thanks, Fred, very helpful.

I saw that ZF made 5 and 6 speed transmissions, but the trans-to-bellhousing bolt patterns look different. If I use my ZF 4HP22, I'll probably get the output shaft and tailhousing from a 2WD tranny like the Volvo and swap it over.
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