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Constant Diff Bolt Breakage


RIP85

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  • Member For: 16y 5m 17d
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  • Location: north QLD

Bugger mate. I would be giving the CAT600 bushes ago off ford forums. They are what to will be putting in my new F6 when I pull the rear end out. Pretty sure it's a nolathane center bush and his own spec front bushes.

Edited by CHLAXN
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  • RNS10S
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Super pro comfort less than 2000kms old

You need to support the front of the diff, CAT600 bushes are much stiffer and stronger than the SP Comforts.

The SP comforts are for 300rwkw autos, big power in a manual will result in diff bolt or diff hat breakages.

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You need to support the front of the diff, CAT600 bushes are much stiffer and stronger than the SP Comforts.

The SP comforts are for 300rwkw autos, big power in a manual will result in diff bolt or diff hat breakages.

Fulcrum supplied the bushes and recommended them for big hp as there not as stiff as they have the slits through them instead of a solid bush have or don't they know what they are talking about ? Before these bushes I ran the pedders nolthane and they were worse for snapping bolts

Edited by RIP85
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  • Dropping a turd
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  • Member For: 17y 12d
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The front needs to be stiff so it doesnt pivot at the rear. Rednose is correct. Grab some Cat front bushes and try them with a good 12.9 bolt. Polish the threads at the point they fatigue.

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no worries will try different front bushes? By cat spec do you mean hasting deering bushs from CAT or is it just a brand only herd of super-pro or pedders bushes gonna be interesting once the mta spec gtx42 go's on

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  • REST IN PEACE V8
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No I mean front bushes from Dan (Cat600)

ok thanks message sent

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  • Member For: 17y 9m 1d
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As mentioned by others, the whole diff needs to be isolated so it doesn't use the centre bolt as a pivot. The fulcrum guys that recommended comfort bushes in your car should find another job...

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  • REST IN PEACE V8
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  • Member For: 16y 6m 18d
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Cheers got a hold of dan got a nolthane rear and the two cat spec front bushes see how long this lasts

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