<DIV>In this case, you would want to use a "Tunnel Diode".</DIV>  <DIV>&nbsp;</DIV>  <DIV><A href="http://en.wikipedia.org/wiki/Tunnel_diode">http://en.wikipedia.org/wiki/Tunnel_diode</A></DIV>  <DIV>&nbsp;</DIV>  <DIV>Bob R.</DIV>  <DIV><BR><BR><B><I>Wayne Galligan &lt;wgalligan@goodsonacura.com&gt;</I></B> wrote:</DIV>  <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">How do you make electrons jump through the hole in the firewall that used to<BR>be used for nitromethane/alcohol fuel transfer? And would a diode be useful<BR>here incase some of the electrons wanted to jump back?<BR></BLOCKQUOTE>