Flat 12, between 500 and 800 BHP and 350 KPH....but the most iconic feature of this race-beast must be the sound. Nothing beats standing next to the track when a 917 makes a low pass but this video wil do for now....A 917 K ( Kurzheck or shorttail ) racing the historic 1000 KM of Monza. Toll!

Check out our collection of Porsche917 books on http://www.flugplatz911.nl/porsche-boeken

Porsche 993 with option X51, "RS light"...UPDATE!

Update 28-12-2014: Thanks all for contributing to this blog with info regarding the various X51 versions. Based on this I have updated the X51 blog. If you have any info about the X51 option or found anything not correct in this blog please contact me.

Anybody seriously looking to buy a Porsche 911 type 993 may have noticed some cars being advertised as a X51 optioned model. Besides increasing the price this option has many enthusiasts bounce up and down with excitement. Then why is this option so desirable and is it worth looking for a X51and paying the premium? A short guide to the mysteries of the X51 code for the Porsche 993...READ MORE>>>