qikin71 Member 60 Member For: 15y 10m 24d Gender: Male Location: Melbourne Posted 04/08/10 09:01 AM Share Posted 04/08/10 09:01 AM Hi allMy 4 spd has just suffered damage to its planetary gear set.This box was rebuilt a year ago, so its tuff but not the gear set which is apparently a weak point. My only option is to get it repaired but what alternatives are there to for more strength. I have heard AU V8 gear sets being used. Anyone verify this?It's going to cost about $1500 for a new gear set,and seeing as I am up for the parts and this is the only thing need doing, I want to make sure it lasts.I have 300kw at the treads which surprises me as there are cars here with more power through a 4 spd.Any help and suggestions appreciated.Cheer's Link to comment https://www.fordxr6turbo.com/forum/topic/69788-4spd-went-crunch/ Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 22y 1m 14d Gender: Male Location: Victoria Posted 04/08/10 09:08 AM Share Posted 04/08/10 09:08 AM The biggest advice I can give you after having 3 rebuilds (at 250rwkw's) is take it to the right people! Link to comment https://www.fordxr6turbo.com/forum/topic/69788-4spd-went-crunch/#findComment-1029973 Share on other sites More sharing options...
qikin71 Member 60 Member For: 15y 10m 24d Gender: Male Location: Melbourne Posted 04/08/10 09:50 AM Author Share Posted 04/08/10 09:50 AM It was rebuilt by Kewish who appear to have a good rep.I think the gear set failing has no bearing on their workmanship. At a loss as to why it has happened though.If it is just bad luck and just getting the standard gearset for the BA 4spd then no probs, but are there billet gearset cases availiable or any other options out there.Cheer's Link to comment https://www.fordxr6turbo.com/forum/topic/69788-4spd-went-crunch/#findComment-1029995 Share on other sites More sharing options...
Panda Eyes flame magnet Gold Donating Members 5,674 Member For: 17y 24d Gender: Male Location: adelaide hills- 'race air' central Posted 04/08/10 09:52 AM Share Posted 04/08/10 09:52 AM contact a reputable business, how about one of the site sponsors? kewish are apparantly knowledgable. im sure they will be able to point you in the right direction... Link to comment https://www.fordxr6turbo.com/forum/topic/69788-4spd-went-crunch/#findComment-1029997 Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 22y 1m 14d Gender: Male Location: Victoria Posted 04/08/10 09:53 AM Share Posted 04/08/10 09:53 AM Yeah, Kewish know their stuff. Link to comment https://www.fordxr6turbo.com/forum/topic/69788-4spd-went-crunch/#findComment-1029999 Share on other sites More sharing options...
bluprinturbo Donating Members 605 Member For: 17y 29d Gender: Male Location: brisbane Posted 04/08/10 10:27 AM Share Posted 04/08/10 10:27 AM there is nothing that can be done to the btr to hold decent power reliably. zfs are coming in for rebuilds. theres two choices. continue to rebuild or install c4/t400/p/glide. Link to comment https://www.fordxr6turbo.com/forum/topic/69788-4spd-went-crunch/#findComment-1030017 Share on other sites More sharing options...
Worm A much better forum Silver Donating Members 3,808 Member For: 16y 10m 17d Gender: Male Location: Victoria Posted 04/08/10 10:38 AM Share Posted 04/08/10 10:38 AM sh*t... Got me worried about my 4spd @ 280rwkw now!!! Link to comment https://www.fordxr6turbo.com/forum/topic/69788-4spd-went-crunch/#findComment-1030023 Share on other sites More sharing options...
icer Banned 2,335 Member For: 15y 10m 23d Gender: Male Location: Aspendale, Vic. Posted 04/08/10 10:52 AM Share Posted 04/08/10 10:52 AM all depends on your tune as I have found out the hard way. But planetries smashing? headsex had that issue after powersliding with full carload in 3rd gear! My advice, stop power sliding Take it to a reputable 'auto' tuner. Dyno-mite have a few 10 sec 4sp BTRs an a 9sec. Im hoping to move into the 10s bracket with my 4sp btr and their tune over next few weeks! Link to comment https://www.fordxr6turbo.com/forum/topic/69788-4spd-went-crunch/#findComment-1030028 Share on other sites More sharing options...
qikin71 Member 60 Member For: 15y 10m 24d Gender: Male Location: Melbourne Posted 04/08/10 11:41 AM Author Share Posted 04/08/10 11:41 AM Dion is my reputable tuner also. I thought I was the only one to travel from sth to west.*Beep*, what are the specs of your 4 spd? Link to comment https://www.fordxr6turbo.com/forum/topic/69788-4spd-went-crunch/#findComment-1030042 Share on other sites More sharing options...
neil101 Donating Members 123 Member For: 19y 7m 28d Gender: Male Location: Kurrajong Heights NSW Posted 05/08/10 01:22 AM Share Posted 05/08/10 01:22 AM not just the box that has to be built right if the settings in the ecu aren't right then that causes premeture failers too that's what happen to my last box, they don't last forever with big power but if there set up right and you show them a bit of respect then they do last a fair while.Neil Link to comment https://www.fordxr6turbo.com/forum/topic/69788-4spd-went-crunch/#findComment-1030131 Share on other sites More sharing options...
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