Differential Change

Kirkie · Oct 15th, 2015, 11:06

I was thinking of fitting overdrive to my 72. 144.

As a alternative.

Can anybody tell me if a differential from a 164 is a direct swop into my 144 axle.?
And what the difference in the ratios is.
I have done this before when I fitted a Austin Westminster diff into my Brothers FX4 Taxi .

heckflosse · Oct 15th, 2015, 14:23

Ah, the old Westy diff swap.
Much easier than a Volvo, I'm afraid, since the BMC diff comes out as one big chunk. No messing with backlash etc.
The Volvo one is easy enough to take apart, but needs careful setting up to get the pinion correct.
Not impossible, but you might find it less intimidating just swapping the whole axle, innards untouched.
Good luck!
James.

mocambique-amazone · Oct 16th, 2015, 05:29

yes swap the axle, to change internals you really should know how to do. regards Kay

Kirkie · Oct 20th, 2015, 09:18

Thanks James and Kay.
You have confirmed my thoughts on this...
It looks like the easiest way is to change the axle.
Thanks Jim

Oct 15th, 2015, 11:06	#1
Kirkie Junior Member Last Online: Nov 25th, 2015 20:37 Join Date: Jul 2015 Location: Stockport	Differential Change I was thinking of fitting overdrive to my 72. 144. As a alternative. Can anybody tell me if a differential from a 164 is a direct swop into my 144 axle.? And what the difference in the ratios is. I have done this before when I fitted a Austin Westminster diff into my Brothers FX4 Taxi .

Oct 15th, 2015, 14:23	#2
heckflosse Premier Member Last Online: Oct 28th, 2023 12:30 Join Date: Feb 2009 Location: dereham	Ah, the old Westy diff swap. Much easier than a Volvo, I'm afraid, since the BMC diff comes out as one big chunk. No messing with backlash etc. The Volvo one is easy enough to take apart, but needs careful setting up to get the pinion correct. Not impossible, but you might find it less intimidating just swapping the whole axle, innards untouched. Good luck! James.

Oct 16th, 2015, 05:29	#3
mocambique-amazone Master Member Last Online: Jan 24th, 2022 17:08 Join Date: Nov 2008 Location: small village in the north of Germany	yes swap the axle, to change internals you really should know how to do. regards Kay

Oct 20th, 2015, 09:18	#4
Kirkie Junior Member Last Online: Nov 25th, 2015 20:37 Join Date: Jul 2015 Location: Stockport	Thanks James and Kay. You have confirmed my thoughts on this... It looks like the easiest way is to change the axle. Thanks Jim

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