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1. 01:13 PM - Help with Economy tuning kit issues (Jeffrey J Paris)
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| Subject: | Help with Economy tuning kit issues |
Dear Jab Engine Wonks,Recently I installed the economy tuning kit in our car
b after attending Jabiru USA's engine seminar. Pretty easy and straightforwa
rd, but I am =C2-having trouble starting the engine when the engine is col
d, it just seems it isn't getting enough fuel.=C2-To get it going I have h
ad to leave my boost pump on and I really have to manage the choke and throt
tle or it won't start, while I'm juggling these tasks the engine will catch
cough and quit, eventually it starts and runs fine. =C2-After the engine h
as been run and as long as it's pretty warm it starts like it should. The on
ly thing that is different in flight is the fact that I'm getting lower fuel
reads in terms of fuel burn.=C2-My Jab used to start on about what seemed
the 3rd turn of the prop and run quite well from there on, I'm getting the
feeling that if it wasn't broken don't fix it, however, I needed to put in t
he ethanol resistant floats and the economy kit presentation during the semi
nar helped convince me that a smoother fuel curve over the wide range of thr
ottle settings might help some CHT issues that I have had in climb and in cr
uise. =C2-The soot from my exhaust pipes is a nice brown and not a velvety
black soot.=C2-As of today I again have enrichened the mixture and =C2
-I re-adjusted the new ethanol resistant float =C2-to increase my fuel l
evel in the carby. Still I was not able to start my engine and I soon ran th
e battery to about 10 volts and that won't spin the engine fast enough to ge
t ignition. =C2-I've gone over my cables inspected the whole engine and I
don't know what to do to solve the problem, and I'm getting a wee bit tired
of going over my engine compartment.=C2-Your advice and expertise are grea
tly appreciated.Sincerely,Jeff Paris =C2-JAB 3300 with valves. (old school
)
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