Lamborghini Miura manual indicating bigger intake valves in English size (but correct size in metric). The intake and exhaust valves in all 4 liter Lamborghini V12 remained the same throughout all models. This intake size misprint carried forward into Espada 400GT and Countach LP 400/LP 400S owners manuals as well. In 1970, Lamborghini development driver Bob Wallace created a test mule that would conform to the FIA's Appendix J racing regulations. The car was appropriately named the Miura Jota (the pronunciation of the letter 'J' in Spanish). Wallace made extensive modifications to the standard Miura chassis and engine. Weight reductions included replacing
Aston Martin V12 Zagato producing only a limited run of 150 at the Aston Martin headquarters in Gaydon. Starting delivery in the second half of 2012, the Zagato was priced at around £330,000 excluding local taxes. The Aston Martin V12 Zagato made its racing debut at the 53rd ADAC ACAS H&R-Cup VLN round at the Nürburgring on 28 May, the event for the car being a preparation and development experience ahead of the Nürburgring 24-hour race, to be held on 25–26 June. Two V12 Zagatos competed in the 51st ADAC Reinoldus-Langstreckenrennen VLN four-hour race on 11 June. Again as a test session ahead of