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IB5 gearbox limits

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Old Nov 3, 2008 | 04:52 AM
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Default IB5 gearbox limits
hi guys been a long time since i posted on here what in need to know is what are the bhp/torque limits of the ib5 box and if possible is there any way to make them dtronger ? many thanks in advance
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Old Nov 3, 2008 | 05:19 AM
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Originally Posted by bluntys1rsturbo
hi guys been a long time since i posted on here what in need to know is what are the bhp/torque limits of the ib5 box and if possible is there any way to make them dtronger ? many thanks in advance
my car 500hp dead broke

(3th gear)
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Old Nov 3, 2008 | 05:23 AM
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It's impossible to put a figure on it. Ford will rate the box at a particular torque value, anything above that is down to 1) luck, 2) how you drive it, 3) condition of the box, 4) etc etc etc..
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Old Nov 3, 2008 | 05:29 AM
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Originally Posted by pa_sjo
It's impossible to put a figure on it. Ford will rate the box at a particular torque value, anything above that is down to 1) luck, 2) how you drive it, 3) condition of the box, 4) etc etc etc..

how you drive it,

see you:


http://www.youtube.com/watch?v=z6bi-X_lGH4

http://www.youtube.com/watch?v=VhJRE...eature=related

http://www.youtube.com/watch?v=4xwz9voeRLQ

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Old Nov 3, 2008 | 03:12 PM
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Officially 185lb/ft.

My IB5 did OK at 310lb/ft, had the occassional gearset and frequent new bearings though. (now on Ebay!! LOL)
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Old Nov 3, 2008 | 04:02 PM
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Another way of looking at it:
The most torque you will ever put through a gearbox is mostly determined by the clutch and tires.
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Old Nov 3, 2008 | 04:11 PM
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Mine's ok @ 260lb/ft
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Old Nov 3, 2008 | 04:27 PM
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right cheers guys im looking at around 230-240 ish torque wise. is there any uprated bearing etc i could put in to be on the safe side ?
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Old Nov 4, 2008 | 03:20 AM
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Originally Posted by alan12112
Mine's ok @ 260lb/ft
is that without uprating anything ?
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