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Discussion Starter · #1 ·
I am wondering what si the difference in mk3 and mk4 inner cv's or driveshaft cups on the gearbox?

I remember reading somewhere about being able to use a mk4 box with a mk3 or corrado drive shaft by changing the cup the cv sits into?

Anyone got more info on this?
Thanks
 

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i have a picture on my camera of a mk4 o2j box withthe flanges from a mk4 tdi, ill be putting the pics up in the project cars section in the next day or two(to promote my dodgy sideline buisness thingy
)

the mk4 gti flanges are 108mm and the tdi ones are 100mm and the corrado g60 shafts bolt straight up to them, i dont know yet what to do about cable change unit as i havent got that far, either swap shifter unit in the box to a corrado one or else ill use mk4 tdi shifter and cables.

the corrado cast alloy mount will bolt on by the diff but the steel brace needs to be modified.
 

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Discussion Starter · #5 ·
Thanks Ronan!
I know its a long shot but do you have part numbers or did you just use a tdi box?
 

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the lad we bought the 1.8t box from had a tdi one too and allowed us swap flanges!

the drive flange part numbers are on the qpeng website
 
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