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Landcruiser diff conversion

General Tech Talk

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Posts: 300
Joined: Sun Feb 15, 2004 4:48 pm
Location: Penrith {Sydney} NSW

Landcruiser diff conversion

Post by tuff 45 »

Hi guys,
I have a 1978 model FJ45 landcruiser with a springover. The rear diff is a drum brake and i can get hold of a mid 90's 75 series disk brake rear diff and was wondering if it would bolt staight in besides welding the blocks on for the springover. Thanks.
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Post by MY45 »

g'day mate the truck in you avitar looks tuff :twisted: anyways i'm quite sure that it would but width might be different (not sure) BJ should be on latter and he would know all about it. I know if you go 60 series axels you gain 3" in width and you can get em with disk :D :cool: Good luck
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Post by tuff 45 »

MY45 wrote:g'day mate the truck in you avitar looks tuff :twisted: anyways i'm quite sure that it would but width might be different (not sure) BJ should be on latter and he would know all about it. I know if you go 60 series axels you gain 3" in width and you can get em with disk :D :cool: Good luck


Thanks for your help. If the diff is wider it won't be a problem but i don't want to go any narrower. I have been building the truck in spare time but no one else in oberon is into that sort of thing.
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Post by MY45 »

i'm im goulburn so i'll have to come up for wheel some time once i get my truck up and running in a month or so...
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Post by tuff 45 »

MY45 wrote:i'm im goulburn so i'll have to come up for wheel some time once i get my truck up and running in a month or so...


Sounds good.
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Post by Nev62 »

MY45 wrote:i'm im goulburn so i'll have to come up for wheel some time once i get my truck up and running in a month or so...


So how in the new beast going?

Anyway, what is the RTA ruling on wider offset because of the new diff?
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diff

Post by humphey »

MY45 wrote:g'day mate the truck in you avitar looks tuff :twisted: anyways i'm quite sure that it would but width might be different (not sure) BJ should be on latter and he would know all about it. I know if you go 60 series axels you gain 3" in width and you can get em with disk :D :cool: Good luck
mate i got a 40 serises , 40 front diff with disc's ,rear is a 60 series only gained 2'' in width.settin up disc is simple use front hub and disc and calaper make your own calaper block and fit it to the diff in the spot u like .hope this helps :) :cool:
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Post by ORSM45 »

name says it all, tuff rig mate!

75 series have the same width as 40/45s

60s are 70mm wider.

and 80s are wider than 60s.

MaccA
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Post by MUSS »

383FJ45 wrote:name says it all, tuff rig mate!

75 series have the same width as 40/45s

60s are 70mm wider.

and 80s are wider than 60s.

MaccA


hey macca.... how much wider are 80 series diffs then 60 series diffs?
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