BA55Y Member 74 Member For: 15y 4m 5d Posted 12/04/10 09:00 AM Share Posted 12/04/10 09:00 AM I was thinking the other day about my transmission and hows its annoying as its gonna keep me under the 300rwkw mark unless I wanna kill it and I was wondering to myself why is the 5 speed manual box in the ba xr6 turbos so weak?Like I know of lots of other cars running 5spd manual boxes with over 300rwkw and you dont hear of them being warned about the 5spd not being strong enough and one of my good mates 01 subaru wrx sti is running 220atw and that's got a 5spd manual in it.Im sure there is a reason why because surely the quality of fords T5 box cant be that much worse than many of the other car manufactures. Link to comment https://www.fordxr6turbo.com/forum/topic/67512-why-is-the-t5-so-weak/ Share on other sites More sharing options...
BensXR6T Member 478 Member For: 16y 5m 26d Gender: Male Location: Burpengary QLD Posted 12/04/10 09:06 AM Share Posted 12/04/10 09:06 AM Old gearbox that was never designed to take huge amounts of torque ... pretty sure it's basically the same box that was introduced with the EA falcon, maybe even earlier when they were first available in he XE. Link to comment https://www.fordxr6turbo.com/forum/topic/67512-why-is-the-t5-so-weak/#findComment-999912 Share on other sites More sharing options...
BA55Y Member 74 Member For: 15y 4m 5d Posted 12/04/10 09:13 AM Author Share Posted 12/04/10 09:13 AM ohk pretty sh*t effort by ford there on that one, sucks for me because I really just did not have the extra money for the 6spd and I had no interest in driving an auto Link to comment https://www.fordxr6turbo.com/forum/topic/67512-why-is-the-t5-so-weak/#findComment-999918 Share on other sites More sharing options...
BensXR6T Member 478 Member For: 16y 5m 26d Gender: Male Location: Burpengary QLD Posted 12/04/10 09:20 AM Share Posted 12/04/10 09:20 AM Not really a sh*tty effort at all...box can handle the power ford tuned the stock engine to in most cases ... manufactures don't design cars to be modified, they design them to a price point.The gearbox was upgraded to the 6speed when the Typhoon was released, and in turn when they upped the torque in the BF... Link to comment https://www.fordxr6turbo.com/forum/topic/67512-why-is-the-t5-so-weak/#findComment-999922 Share on other sites More sharing options...
xr6turboman Donating Members 588 Member For: 17y 2m 19d Gender: Male Location: New Zealand, Palmerston North Posted 12/04/10 09:41 AM Share Posted 12/04/10 09:41 AM The gear box is rated to something like 480 nm of torque stock ba xr6t is 450nm so it handles it fine but once you start modding you go well over 480nm. Ford realised there mistake and upgraded it on BA MKII not BF. Link to comment https://www.fordxr6turbo.com/forum/topic/67512-why-is-the-t5-so-weak/#findComment-999935 Share on other sites More sharing options...
Smoke them tyres Member 557 Member For: 17y 6m 11d Gender: Male Location: Brisbane Posted 12/04/10 10:53 AM Share Posted 12/04/10 10:53 AM Strength in gearboxes is determined by;(probably in this order).......-gear material (8620 etc)-shaft spacing (determines gear size....larger gears have more metal/teeth in mesh with each other, hence stronger)-gear width (some Jap gearboxes have good shaft spacing, but the gears are not wide enough)-helix angle of gears-bearing size and support for shafts-lubrication efficiency of box components Link to comment https://www.fordxr6turbo.com/forum/topic/67512-why-is-the-t5-so-weak/#findComment-999967 Share on other sites More sharing options...
GreenXR6T Donating Members 630 Member For: 19y 10m Gender: Male Location: NSW Posted 13/04/10 04:37 AM Share Posted 13/04/10 04:37 AM A pictures tells a thousand words.These come from Brians thread from a few years ago about his T56 conversionT5 V T56.bmpT5 vs T56..bmpT5 vs T56.bmp Link to comment https://www.fordxr6turbo.com/forum/topic/67512-why-is-the-t5-so-weak/#findComment-1000080 Share on other sites More sharing options...
BA55Y Member 74 Member For: 15y 4m 5d Posted 13/04/10 06:24 AM Author Share Posted 13/04/10 06:24 AM (edited) Wow that's a huge difference when you see it like that lol Edited 13/04/10 06:28 AM by revheadrobbo No need to quote above post Link to comment https://www.fordxr6turbo.com/forum/topic/67512-why-is-the-t5-so-weak/#findComment-1000108 Share on other sites More sharing options...
Dillz Three pedals are better then two.. Donating Members 15,637 Member For: 18y 1m 6d Gender: Male Location: Melbourne Posted 14/04/10 11:29 AM Share Posted 14/04/10 11:29 AM ohk pretty sh*t effort by ford there on that one, sucks for me because I really just did not have the extra money for the 6spd and I had no interest in driving an autoLive an learn. I bought a BA T5 and sold it cause it was a waste of money, ZF all the way next time. Link to comment https://www.fordxr6turbo.com/forum/topic/67512-why-is-the-t5-so-weak/#findComment-1000571 Share on other sites More sharing options...
Azid Rush Donating doesnt allow you to be an idiot! Member 692 Member For: 18y 4m 15d Gender: Male Location: Newcastle Posted 15/04/10 07:10 AM Share Posted 15/04/10 07:10 AM other cars with pretty much same box run more power because the obviously dont produce the torque these high powered falcons put out, its not the power that kills them its the torque Link to comment https://www.fordxr6turbo.com/forum/topic/67512-why-is-the-t5-so-weak/#findComment-1000800 Share on other sites More sharing options...
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