Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Autoweek in review: What you may have missed

Our friends over at Bring a Trailer found an found an unmodified fourth-generation Toyota Supra Turbo, which is almost as good as a priceless barn find that everyone only hears about but never sees. Check out the article, and the arguments over stock versus modified. Executive editor Roger Hart left in the new Dodge Charger SRT8 Super Bee but returned empty-handed.

Subaru Impreza Cosworth – Cosworth Impreza STI CS400 – announced

This is as much as you're going to see of the Cosworth Impreza for now You always know that when a production car gets the Cosworth moniker added you should be able to count on a more than useful increase in performance. Just look what the Cosworth Sierras and Escorts could do in comparison to their more prosaic siblings, and you have an idea of what Cosworth should be able to do with an Impreza. But the Impreza already has some more than fettled performance versions you can stroll in to your Subaru dealers and walk away with, so just what will a Cossie Scooby offer that the Impreza doesn’t already deliver?

Porsche Boxster GTS and Cayman GTS revealed

The new Porsche Cayman GTS (pictured) will debut at the Beijing Motor Show Porsche has decided the Boxster and Cayman need the GTS treatment, so we get treated to both a Porsche Boxster GTS and Porsche Caymen GTS. Based on the Boxster S and Catmen S, both the GTS models get a Euro 6 version of the 3.4 litre flat six with an extra 15bhp, which means 325bhp for the Bosxster and 335bhp for the Cayman. Both come with a six-speed manual as standard but you can opt for 7-Speed Dual Clutch ‘box which allows the Cayman GTS to crack 62mph in 4.6 seconds and the Boxster GTS in 4.7 seconds.