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BJ/FJ 40 diff strenght???

Tech Talk for Cruiser owners.

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BJ/FJ 40 diff strenght???

Post by CROver »

Hello guys,
I saw a lot of BJ/FJ40 rigs on 35" or bigger tyers.Are they a stock diffs or some strnghtnend parts inside them?Is it possible that are toyota's diff's so much stonger that rover unit's. :?
cheers
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Post by bad_religion_au »

cv's are the weakest point. heat treateds are fairly cheap (through haltech), altho a sensibly driven 40 with 35's shouldn't NEED them... their nice to have so the strenghts there if you need it.

pinions fail occasionally and so do the earlier freewheeling hubs, but yes they are so much stronger than rover diffs :D
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Post by Maggot4x4 »

bad_religion_au wrote:cv's are the weakest point. heat treateds are fairly cheap (through haltech), altho a sensibly driven 40 with 35's shouldn't NEED them... their nice to have so the strenghts there if you need it.

pinions fail occasionally and so do the earlier freewheeling hubs, but yes they are so much stronger than rover diffs :D
Toy cv's are not as strong as rover in standard form, centers and axels are a lot stronger in toy's.
[quote="Wooders"]If ya want a 4x4 camry go ahead & buy a Patrol or Cruiser.[/quote]Rangie with 80s LC diffs, Isuzu 4bd1, Twin ARB lockers, 8000lb Hi mount warn, 315x75x16 Procomp XTerrains
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Post by bad_religion_au »

Maggot4x4 wrote:
bad_religion_au wrote:cv's are the weakest point. heat treateds are fairly cheap (through haltech), altho a sensibly driven 40 with 35's shouldn't NEED them... their nice to have so the strenghts there if you need it.

pinions fail occasionally and so do the earlier freewheeling hubs, but yes they are so much stronger than rover diffs :D
Toy cv's are not as strong as rover in standard form, centers and axels are a lot stronger in toy's.
i thought it depended on the model of rover, with the 110 cv's being uber tuff, and standard disco ones being relatively weak.

point is that yota diffs/ axles can cop a 35.
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Post by v840 »

Ive had 35s on standard diffs for over 6 months and only just buggered a rear axle and spider gear (through driver error). Mates have run 35s for years and not had too many probs. As stated the biggest risk comes from the CVs. I rate broken CVs as the price of good wheeling. Go for it. You should be fine
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