July 31, 20169 yr I'm probably going to be heading towards the 350bph limit on my impreza's gearbox and i'm wondering what would be a good replacement that's not the far to costly 6 speed sti gearbox
July 31, 20169 yr Bug onwards 5 speed boxes have stronger casings and tend to handle high 300's maybe just over 400bhp (if treated with mechanical sympathy ) You'd have to Google your existing 5 speed box ty number (to find the ratio) and buy a later 5 speed of the same ratio. You'd just need the box (about £400) as shafts, props , fly ,clutch ect are all compatible with the classic set up 😉 If it's not broke .....upgrade it 😊
July 31, 20169 yr Mattyb @ br performance normally has them in stock [emoji6] If it's not broke .....upgrade it 😊
July 31, 20169 yr Author http://m.ebay.co.uk/itm/SUBARU-IMPREZA-WRX-TURBO-GEARBOX-IMPORT-GC8-VER-2-STI-MANUAL-WARRANTY-ty752vb3fa-/172283404855?hash=item281ce42237%3Ag%3AY0wAAOSwwbdWMgeE&_trkparms=pageci%253A3d635153-5709-11e6-b63c-005056b688e4%257Cparentrq%253A407d97221560a2af5774a6c8fffb9575%257Ciid%253A1
July 31, 20169 yr It's still only a ty 52 (weaker early classic box) You'd need a ty54 late v5/v6 classic at least , preferably bugeye onwards 😉 If it's not broke .....upgrade it 😊
July 31, 20169 yr Author Ok I'm with you thanks for the help can't seem to find 1 much cheaper than £800 atm no worries will haft to keep an eye out for 1
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