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79s front diff

Tech Talk for Cruiser owners.

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79s front diff

Post by cloughy »

What's the go with the front diff in 79series cruisers my mate'e 79 just happened to fall of a big bank. while trying to whinch him back up as you do, his backing up big hill loading front diff and arb locker with 35 simex. why does the crown wheel and pinion break so easy even rover CW&P don't break that easy and more importantly what is the fix? aftermarket? Thanks for the help
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Post by 80UTE »

I build custom front housings for 78/79's, 80's and 100's that use the Nissan GQ/GQ front diff centre and it fix's the problems full stop. The Toyota's that run the 4.3:1 ratios seem the be more prone to failing than the 4.1:1 centres but have still seen heaps of them fail. Reversing up steep inclines seems to be the common thing when they break.

Wally
THERES ONLY ONE SUBSTITUTE FOR CUBES AND THATS MORE and if you want more inchs stroke it !!!!!!!!!!!
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Post by cloughy »

80UTE wrote:I build custom front housings for 78/79's, 80's and 100's that use the Nissan GQ/GQ front diff centre and it fix's the problems full stop. The Toyota's that run the 4.3:1 ratios seem the be more prone to failing than the 4.1:1 centres but have still seen heaps of them fail. Reversing up steep inclines seems to be the common thing when they break.

Wally
Thanks wal, but was more curious as to whether after market CWP 's are tougher than genuine TOJO

Would of thought i'd get a bit more help from others though
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Post by cloughy »

anyone?
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Post by beanz2 »

cloughy, it is possible to have your CWP cryogenically treated there? Longfield Enterprises and other outfits in the US do this treatment, but Bobby Long does not recommend doing it on the rear diff (or the front of fulltime 4WD vehicles) as the cryo treatment appears to reduce wear resistance. With enough money I'm sure somebody can make CWP sets out of 4340 alloy, but none is available off the shelf AFAIK.

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Post by kingchevy »

Yeah my front diff is already having dramas in my 79 series piece of sh** hilux diff in a cruiser what were these morons thinking?
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