RIP85 REST IN PEACE V8 Donating Members 469 Member For: 16y 2d Gender: Male Location: Woodridge on the park bench Posted 18/10/13 03:05 AM Share Posted 18/10/13 03:05 AM I have an upgraded diff cover and high tensile bolt broke that last week so drilled out the housing and put an even bigger bolt in also broke that last night racing a gsxr600 what have other bf owners done to rectify this problem? I know hi torque do a twin bush setup for 3G and mal wood is working on a new cradle design just hoping for a less expensive fix Car is a bf f6 manual Link to comment Share on other sites More sharing options...
senna_T Forged Member Lifetime Members 15,818 Member For: 17y 2m 16d Gender: Male Location: SW Sydney Posted 18/10/13 03:07 AM Share Posted 18/10/13 03:07 AM What bushes are fitted? Link to comment Share on other sites More sharing options...
RIP85 REST IN PEACE V8 Donating Members 469 Member For: 16y 2d Gender: Male Location: Woodridge on the park bench Posted 18/10/13 03:12 AM Author Share Posted 18/10/13 03:12 AM Changed from pedders which were a solid bush to super pros with the slots in them so it's a softer type of bush Link to comment Share on other sites More sharing options...
The Jizard GONE FULL WIZARD Donating Members 1,617 Member For: 15y 3m 17d Gender: Male Location: 720 East Kensington Road Posted 18/10/13 03:41 AM Share Posted 18/10/13 03:41 AM Front 2 and rear 1?I had issues with superpro comforts in my BF F6, broken bolts, smashed bushes. Not the right type of bush for our cars IMO. Link to comment Share on other sites More sharing options...
senna_T Forged Member Lifetime Members 15,818 Member For: 17y 2m 16d Gender: Male Location: SW Sydney Posted 18/10/13 04:00 AM Share Posted 18/10/13 04:00 AM Changing all three is generally the key - and having them installed correctly. If you fit the Super Pro comfort series there really shouldn't be an issue sine the diff is basically locked in. Most issues I see are due to only changing the rear centre bush. I ran them for quite a while in a manual and broke one bolt in 7 years 1 Link to comment Share on other sites More sharing options...
RIP85 REST IN PEACE V8 Donating Members 469 Member For: 16y 2d Gender: Male Location: Woodridge on the park bench Posted 18/10/13 05:23 AM Author Share Posted 18/10/13 05:23 AM I have 10 inch wide rears with a 275 semi slick that's what increased the stress no doubt just destroying bolt after bolt the bushes were replaced less than 150kms ago Link to comment Share on other sites More sharing options...
Bonjaz Donating Members 1,841 Member For: 15y 4m 16d Gender: Male Location: CQ Posted 18/10/13 05:41 AM Share Posted 18/10/13 05:41 AM wtf are you doing to do all this damage, clutch kicking at 100km??? how much power are you running? Link to comment Share on other sites More sharing options...
RIP85 REST IN PEACE V8 Donating Members 469 Member For: 16y 2d Gender: Male Location: Woodridge on the park bench Posted 18/10/13 06:13 AM Author Share Posted 18/10/13 06:13 AM Nope ease the power on in 2nd it's got 644hp atw on 18psi Link to comment Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 13y 6m 4d Posted 18/10/13 06:20 AM Share Posted 18/10/13 06:20 AM Yea 500rwkw and sticky tyres will probably do that to you lol! Link to comment Share on other sites More sharing options...
turbotrana Member 2,586 Member For: 21y 24d Gender: Male Posted 18/10/13 12:45 PM Share Posted 18/10/13 12:45 PM Start thinking about redesigning the rear bush setup. It will never do the job regardless of what bolt or bush you use.I was thinking of putting a bumpstop under the tail of the diff cover. It would entail welding some flats on the cradle and on the tail and having a bumpstop inbetween. If done well then under load the bumpstop will take the load rather than the diff bolt smashing on the bottom side of the bush.Its one of several ways I have thought to do it but maybe the simplest. 1 Link to comment Share on other sites More sharing options...
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