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Message
Hi, fellow rotary enthusiasts...the last couple of days I sent
two messages explaining what happened with my injector problems, but they didn't
appear on the flyrotary site....Trying again.
Looks like they all just
kicked in.
It appears that I wired one of my two injectors (in
a TWM throttlebody) to the primary wires coming out of the MicroTech ECU, and
the other injector
was wired to the secondary wires from the ECU.
I rewired the injector that was connected to the secondary circuit, and wired it
to the primary circuit. The engine ran much smoother (I already thought it was
smooth before the change), and at the same throttle setting, had considerably
more RPM.
Well done. Great to hear it's
running well.
I don't know the function of the
secondary circuit, but I suspect it is to assist in cold starting and possibly
to provide more fuel at higher RPMs?
Maybe that's in the manual too
:-)
Now, instead of one throttlebody intake hole
dripping a lot of fuel after engine shut-down, they both only dripped a couple
of drops, equally.
After you mentioned this, I started
thinking that it's almost inevitable to get some dripping out of the TB when
it's pointing downward like ours is. With the EC-2, I usually shut the
engine off by killing power to the EC-2 and ignition (one switch). If I
tend to get the residual drips that you mentioned, I might try shutting the
engine off via the injector disable switches, or maybe the fuel pump. I'm
also thinking of how I'm going to make the intake box for the TB, and how I need
to make sure it can drain a little fuel safely away from the hot bits of the
engine if needed. Thanks for the heads-up.
Speaking of the engine oil pressure sender....mine
has provisions for two wires. If I recall correctly, most oil pressure
senders I have seen only need one wire. Possibly the second connector is
for ground?
I'm pretty sure that's correct.
Most sensors have a built in ground when they screw into the engine, but some
have an actual ground terminal.
P.S.....Rusty, your exhaust looks very nice. I am impressed at
how fast you developed your welding skills. (forced learning)?
Thanks. Forced learning is right.
That's why this rev-2 project has taken so long. It will be running again
by the end of the week though.
Cheers,
Rusty (Where's Tommy's
plane)
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