They do, but with the tolerances "expected" with modern cars I'd bet on a fail. "oh sorry sir, it's an aluminium head and as we took it off, it has to go t= o be laser skimmed and that of course costs more money". -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of Chris McSweeny Sent: 24 August 2010 22:42 To: Microcontroller discussion list - Public. Subject: Re: [OT] Is speeding logical On Tue, Aug 24, 2010 at 6:40 PM, Jim Franklin <01942878604@talktalk.net> wrote: > I challenge you to do the same with a modern vehicle :D Why, do cylinder heads no longer work in the same way? Chris --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .