On 3/5/04 12:38 AM, "sqpilot@earthlink" <sqpilot@earthlink.net> wrote:

> Well, I got my 13b running tonight. I initially just shot a little starting
> fluid into the throttlebody, and it started after about 2 revolutions and
> ran just long enough to use up the starting fluid in the intake.
>    Then I hooked up the wire to my fuel pump and took the 3/8" ID hose I
> bought from a marine supply house that has a squeeze type fuel bulb to
> provide initial fuel flow, and stuck that into a small 2 1/2 gallon plastic
> fuel can with added two-stroke oil.   The engine immediately began firing,
> but would only keep running as long as the starter button was depressed.
> The throttlebody was in the closed position.  Then, I noticed fuel dripping
> out of one of the intake holes in my TWM throttlebody.  I opened the
> throttle a small amount, and the engine came to life immediately.  Got the
> bejeebers scared out of me and shut it down quick.  When I realized
> everything was fine, I started it again, a little less nervous this time,
> and without the white-knuckled grip on the fire extinguisher.  Ran it for
> maybe 30 seconds and shut it off to inspect for oil , fuel and/or coolant
> leaks.  I still had fuel leaking from just one of the two intake holes in
> the TWM throttlebody.  I then disconnected and swapped the wires to the two
> injectors, and re-started. After this, the OTHER intake hole in the TWM
> throttlebody was leaking fuel.  I think this eliminated the injector as the
> culprit.  Possibly the wiring to one of the injector snap-on plugs is
> faulty? I should mention that I have a MicroTech ECU.
>   The good news is that the engine started so easily. A little smoke at
> first from the WD-40 I had sprayed into the exhaust ports to keep the seals
> lubricated, but that cleared out after the first short run.  Also good news
> is that so far, no oil or coolant leaks. However, I'm sure the thermostat
> did not have enought time to open, so I can't say there won't be any coolant
> leaks lurking in the woods somewhere.
>   I was very pleased that the exhaust wasn't as loud as I had
> expected....It was inside the garage (read that as echo chamber), but
> sounded about as loud as a Lycoming. Of course I didn't run it very fast.
> Maybe 1500 to 2000 RPM's.  For those who are not familiar with my exhaust,
> it is just the stock cast iron manifold with a short 10 inch straight pipe.
>    I will have to try to figure out what to do next to determine why one
> throttlebody intake leaks fuel (after shut-down), and why it changes to the
> other hole when I switch injector leads.  Gotta sleep on it.  Fortunately, I
> will sleep well tonight, just knowing I can now make noise and scare my
> neighbors.
>    Paul Conner, 13b powered SQ2000. yeah....really powered.  Engine is no
> longer just an ornament.
>
>


Congratulations Paul! Can't wait to see you and John Slade flying.
Bulent