pitts_pilot(at)bellsouth.
Guest
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 Posted: Tue Sep 05, 2006 11:59 am Post subject: [Fwd: Re: Engine tune up] |
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Sorry for the multiple posts, but I had another thought.
Have you checked for intake leaks??? Easy to do if you have a shop vac
that can connect the hose to the output side. Clean the vacuum out
really well. Remove the cowl and stuff the hose into the intake on the
engine. Seal around the hose with some rags. Turn the 'blower' on and
spray all around the intakes with soapy water and look for bubbles. The
most common leak is where the intake stubs are pressed (actually rolled)
into the oil sump. The second most common are the short hoses that
couple the stubs to the curved intake tubes.
Linn
do not archive
bertrv6(at)highstream.net wrote:
| Quote: |
Hi:
Engine is running rough, I have the 0320E2D 150H>P> Lyc.
on my RV6a..
At what RPM????
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| Quote: | 1. I took all plugs, check for gap, cleaned and re-install..
2. I Check the Magnetos,, for proper timing...A friend did it, had
the tool for it..
I will be ready to test eng..
Is there any thing else to be done?
PRAY! 
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| Quote: | How I know my Mixture/Air is correct....I never touched that part..
For idle mixture, slowly pull the mixture out from full rich to idle
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cutoff. You should see a small rise in RPM just prior to cutoff. If
not, it may be too lean already so unscrew the idle mixture screw 1/2
turn and try again. And agin until you get the RPM rise.
For high speed (over 1000 RPM) the idle mixture is not a player, but you
can still do the leaning thing at full throttle .... tie the tail to
something that won't move (unless you have really good brakes), lean to
cutoff and see what happens. You should get the same RPM rise that you
get in flight as you lean, then it will run rough as some cylinders get
too lean ..... and finally cutoff.
linn
do not archive
| Quote: |
Angine has only the first 30 hrs. out of 40...
Appreciate suggestions..
Bert
rv6a
do not archive.
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