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Old 24 March 2018, 12:36 PM
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m456vdm
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Default Gearbox failure

I've attached some pics of my gearbox after I stripped it. Happened in 3rd gear at about 5500rpm. What would the main reason been for this to happen?

Old 24 March 2018, 12:43 PM
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ossett2k2
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Which model? Ty52's are weak ty54 better but both 5 speeds are weak at bigger power,due to weak casing I believe and if you're not mechanically sympathetic.
6 speeds are much stronger boxes.

The Rig (member) did exactly the same iirc,as have many others,have a search of the forum,you'll see plenty of this sort of problem.

Last edited by ossett2k2; 24 March 2018 at 12:47 PM.
Old 24 March 2018, 01:01 PM
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m456vdm
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TY752VN3BA that's the gearbox number. Didn't half go with bang haha. It's not done bad been boosting at 23psi for ages now
Old 24 March 2018, 01:12 PM
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Yeh i missed off the 7. 752's notoriously weak.
1.6 bar so you must be close or over 350bhp? It is the torque which will kill a box but 350 is on the limit of 'most' 5 speeds.

Last edited by ossett2k2; 24 March 2018 at 01:13 PM.
Old 24 March 2018, 01:21 PM
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m456vdm
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Not sure of bhp. Not had it on rolling road just set up with AFR gauge. I'll 6 speed it when I blow the replacement up lol
Old 24 March 2018, 01:22 PM
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ray54
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What would the main reason been for this to happen?


23PSI OF BOOST................. ..
Old 24 March 2018, 01:36 PM
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m456vdm
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Haha yeah fair enough it was a daft question.

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Old 24 March 2018, 01:37 PM
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Originally Posted by ray54
What would the main reason been for this to happen?


23PSI OF BOOST................. ..
Old 24 March 2018, 02:11 PM
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m456vdm
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Haha yeah fair enough it was a daft question.
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