RIP85 REST IN PEACE V8 Donating Members 469 Member For: 16y 5m 27d Gender: Male Location: Woodridge on the park bench Posted 21/10/13 12:17 PM Author Share Posted 21/10/13 12:17 PM My good mate is a teacher for cat hes been telling me to give him the bolt size might give that a go next. Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 25d Gender: Male Location: Perth Posted 21/10/13 12:20 PM Share Posted 21/10/13 12:20 PM There ain't no angels in my driveline hahahahaAint no to torque transfer either! Link to comment Share on other sites More sharing options...
IH8TOADS Silver Donating Members 3,618 Member For: 19y 3m 10d Gender: Male Location: OZ Posted 21/10/13 12:25 PM Share Posted 21/10/13 12:25 PM Does lowering put more pressure on the diff housing / bolt etc? Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 25d Gender: Male Location: Perth Posted 21/10/13 12:31 PM Share Posted 21/10/13 12:31 PM Front bolts are Cat PN 8C-0537 I have lost the PN for the rear bolts unfortunatelyYou'll also need a couple of hardened washers for the front bolts as the grip length is a touch shorter.I believe it does Brendan. Link to comment Share on other sites More sharing options...
turbotrana Member 2,586 Member For: 21y 6m 17d Gender: Male Posted 21/10/13 03:01 PM Share Posted 21/10/13 03:01 PM And so I went and put a Cat grade million bolt in and guess what, it didn't break...... 1 Link to comment Share on other sites More sharing options...
arronm Dropping a turd Gold Donating Members 9,520 Member For: 16y 11m 21d Gender: Male Location: Perth Posted 22/10/13 01:37 AM Share Posted 22/10/13 01:37 AM (edited) Any suggestions on products etc Aaron that have seen less breakages. I don't care for comfort...prefer strength.I have a solid rear center bush, factory bolt and all other bushes stock, yet broke a inner LHS CV changing into 2nd with MT's.BA or BFBF has rubbish front bushes. Definitely change the front bushes to solid. Change the rear bolt to the highest grade you can, at least 12.9. This will increase the fatigue resistance. The diff bolt is a lever, if only it was supported on the other side.CVs can be an issue. Some people have luck and some dont. Obviously they work best when exactly horizontal. The cage is cast, billet is the go. Our Nizro car has billet CVs. I think people have also snapped half shafts, but I am not sure where the weak point is. Edited 22/10/13 01:39 AM by arronm 1 Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 25d Gender: Male Location: Perth Posted 22/10/13 01:40 AM Share Posted 22/10/13 01:40 AM And I suppose there was no cracks in that cradle before you installed the milliom grade bolt? Link to comment Share on other sites More sharing options...
RIP85 REST IN PEACE V8 Donating Members 469 Member For: 16y 5m 27d Gender: Male Location: Woodridge on the park bench Posted 22/10/13 02:26 AM Author Share Posted 22/10/13 02:26 AM I have a new cradle when the diff went last year it twisted the cradle and smashed the diff Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 25d Gender: Male Location: Perth Posted 22/10/13 03:13 AM Share Posted 22/10/13 03:13 AM CVs can be an issue. Some people have luck and some dont. Obviously they work best when exactly horizontal. The cage is cast, billet is the go. Our Nizro car has billet CVs. I think people have also snapped half shafts, but I am not sure where the weak point is.Can't comment on the nizzer billet cv's but stock units are strongest the the axle shafts is pointing downwards towards the hub slightly. Having them horizontal puts pressure on the cages and forces the ball to run outside the correct track. Having the axle angled downwards shortens the axle slightly due tonthe geometry in the rear end. Link to comment Share on other sites More sharing options...
turbotrana Member 2,586 Member For: 21y 6m 17d Gender: Male Posted 22/10/13 12:16 PM Share Posted 22/10/13 12:16 PM And I suppose there was no cracks in that cradle before you installed the milliom grade bolt?Not my cradle. I'd be too embarrassed to show that if it was mine.I never met the guy I got that off but it certainly takes a special kind of guy to get it to that point. Link to comment Share on other sites More sharing options...
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