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

RenaultSport Clio 200: Paris 2012

Renault has unveiled the Clio RenaultSport 200 at the Paris Motor Show with a 1.6 litre turbo engine delivering 200bhp. The latest version of the Clio RS forgoes its naturally aspirated 2.0 litre engine for a turbo 1.6 litre delivering the same 200bhp but more torque – up more than 10 per cent. What dropping the 1.6 turbo has done to the Clio is make it more economical – Renault say it is 25 per cent more fuel efficient and, obviously, emissions drop comparably.

One lap of the Web: Syphilis, a scary monster and one huge remote-controlled car

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Karl Henkel, a numbers guru, brings perspective to the government's distracted driving fear mongering by sharing Mazda 626 monstrosity from 1:3 scale RC car that can travel up to 45 mph?

Brabus SV12 R Biturbo 800 (2010): world's fastest 4dr

Warped Merc tuner Brabus has turned the latest S-class into the world’s most powerful and fastest saloon car. The new Brabus SV12 R Biturbo 800 takes the S600 and transforms it from discrete businessman cruiser to 800hp limousine bruiser. The 5.5-litre V12 has grown to 6.3 litres, and power increased to a heady 788bhp (800ps – hence the name), with a theoretical peak torque of 1047lb ft.