Home |  Forums |  Search |  My Profile |  Chat  Photo Gallery |  Events Calendar |  Technical Documents  No messages |  New Posts |  Watched Topics |  Register   exhaust length on drag car          Forum Index -> Track Side Latest ratings Highest-ranked posts Highest-ranked topics Highest-ranked posters   409Stroker Fordmods Tyre Shredder Age:34 Posts: 359 Joined: 04 Jun 2006 Location: paraburdoo WA, Australia View User Gallery (33) Posted: Thu Jul 27, 2006 11:42 pm    Post subject: exhaust length on drag car any one got any info on length of pipe from headers to the end of exhaust for best performance on straight threw pipes in 3inch twin system for 409 clevo Back to top tearlejc Fordmods Stock as a Rock Posts: 167 Joined: 18 Mar 2005 Location: Adelaide SA, Australia View User Gallery (0) Posted: Fri Jul 28, 2006 12:33 pm    Post subject: I remember reading a good tip in Hot Rod magazine a few years ago that seems to work - start with a fairly long length of pipe, draw along it with a grease pencil or paint and pull a run - where it gets hottest, i.e where the grease pencil or paint burns off first, should be the hottest and therefore optimal point at which to cut the pipe... we tried this years ago on an old stock car we ran and it seemed to help torque.... Back to top 409Stroker Fordmods Tyre Shredder Age:34 Posts: 359 Joined: 04 Jun 2006 Location: paraburdoo WA, Australia View User Gallery (33) Posted: Fri Jul 28, 2006 1:14 pm    Post subject: thanx mate that sounds like it could be a good starting point Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First             Forum Index -> Track Side Page 1 of 1   (c)2002-2008 Matti Jones and Brad Evans [30 queries :: 0.02779 seconds ]