Engine vacuum created by INTAKE stroke of piston. Downward power stroke does not create vacuum, so no flames please... Bill Robertson #5939 >--- In DMCForum@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx> wrote: > Engine vacuum is created by downward stroke of piston. When throttle > plates are letting very little air into engine, is high. As plates > open, vacuum created goes down. > > I'm not the first person to notice this BTW. > > Car companies have harnessed engine vacuum for decades to power all > sorts of interesting devices. Even JZD used it to boost brake pedal > action and open & close HVAC vents. > > Was this a trick question? > > Bill Robertson > #5939 > > >--- In DMCForum@xxxxxxxxxxxxxxx, Martin Gutkowski <webmaster@xxxx> wrote: > > > > > > content22207 wrote: > > > > >At small southern dirt tracks most people race very simple hopped up > > >domestic blocks (is a fellow in town here racing scratch built car > > >with a Ford 141 -- Pinto motor). Are specific rules for cubic inch > > >displacement, NOS injection, etc. Have NEVER seen anything remotely > > >similar to your little Euro cars. With all due respects think they'd > > >be laughed off the track. > > > > > Think you'll find S2000 is Japanese. American cars and their fans live > > inside their own little bibble* as far as the rest of the world can > see. > > Except the Icelanders who have invented "Formula Off Road" - the only > > motorsport I've ever been motivated to watch because it's so crazy. > > Makes your monster trucks look very gay. > > > > Icelandic bloke: "Look over there - a cliff. I wonder if we built a car > > with big enough wheels and big enough engine, could we drive up it?" > > Icelandic bloke's mate: And look there - a river. Maybe with the right > > tyres, we could take the same car and with enough speed, aquaplane > > across it before we sink?" > > Some guy walking past: "How about an obstacle course around a quarry > > with 80 degree walls - three-point turns and suchlike - the winner is > > the person who gets the furthest without rolling or flipping over or > > whose engine doen't blow up first?" > > > > But I digress.... > > > > * That was actually a typo - I meant to write "bubble" but it > strikes me > > as a very good word to descibe how you waffle on <tongue in cheek> > > > > How does your friend "run vacuum"? Are we talking engine vacuum? The > > same engine vacuum that disappears as you put your foot down? What are > > you talking about? > > > > Martin > > #1458 > > #4426 > > Haven't written them for a while. > > > > > > > >BTW: This fellow is one who told me he only runs a couple inches of > > >vacuum and thus has no advance on distributor (and yes, I do believe > > >he uses MSD module for that). Has trophies all over office, so I trust > > >his word. > > > > > >He runs horrifically advanced timing, but also rev's 3500 to 9000 RPM. > > > > > >BTW: Have you ever noticed all the different spark retarders MSD > > >sells? Hmmm, what do you suppose those are for? Could it be to start > > >an engine that is otherwise over advanced... > > > > > >Bill Robertson > > >#5939 > > > > > > To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx _____ Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/DMCForum/ * To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx <mailto:DMCForum-unsubscribe@xxxxxxxxxxxxxxx?subject=Unsubscribe> * Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .
<<attachment: winmail.dat>>
Back to the Home of PROJECT VIXEN