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Old 05 April 2010, 10:50 PM
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wrx0211
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Default replacement gearbox

i need a new box for my 53 plate wrx running 340bhp/350lbs torque.box is a ty754vn4aa.can this be replaced with a ty752vb3fa and diff from a classic sti and if so will it handle the power.this is my daily runner so need avise asap.thanks alot guys.
Old 07 April 2010, 11:49 PM
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Shmerman
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You could fit this but i wouldn't advise it.

The STi ratios are shorter, so higher reving on the M/way.

The 752 cases flex a little more than the 754 cases and are considered weaker.

Your best option is to get one from a newage WRX. David at API can provide you with one and at least this way your know you are getting a good one rather than taking your chances on buying from a scrappers.
Old 08 April 2010, 10:00 AM
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Originally Posted by wrx0211
i need a new box for my 53 plate wrx running 340bhp/350lbs torque.box is a ty754vn4aa.can this be replaced with a ty752vb3fa and diff from a classic sti and if so will it handle the power.this is my daily runner so need avise asap.thanks alot guys.
You cannot put a VB suffix box in place of a VN suffix without changing the rear diff to match.

No one in their right mind would fit a TY752 in place of a TY754, it is an old weak type of box that is at least 12 years old these days.

We have recon TY754 VN1AA/ 2AA / 4AA /6 AA in stock.

David APi
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