Turbocharger Vauxhall Astra / Corsa 1.3 CDTi 66kw 860081 New Upgrade Turbo + Gaskets. Please make sure your old turbo looks the same as in our advert pictures. 1.3 engine can have several turbo options. Upgrade Stage 1. This Turbo has Top quality, aftermarket compressor wheel manufactured from solid (MFS) billet alloy via precision 5 axis CNC machine. The cold side wheel is the same size as original turbo but it is lighter and stronger wheel. It helps turbo spool up little bit faster. To get any power increase car needs to be Chip Tuned.