Danny:
While not A4 specific, these examples might help solve your engine problem.
A fellow C&C lister had a C&C 24 with an inboard Volvo Penta gas
engine......the engine simply would not start, or stay started, with
anything but Volvo Penta spark plugs. He can chime in and tell you the
story.
I have an old (est. 50 years) Lawn Boy lawn mower.....for years, it
started the first pull but after it ran for a while and you shut it off,
it would not restart. Replaced the coil, problem solved.
Keep working at it, you will find the problem.
Rob Abbott
AZURA
C&C 32 - 84
Halifax, N.S.
------------------------------------------------------------------------
*From:*CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of
*Danny Haughey via CnC-List
*Sent:* August 13, 2014 12:33 PM
*To:* cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com>
*Subject:* Re: Stus-List Ok more atomic 4 issues...dammit!
Alright, the saga continues.
We went for a sea trial Sunday after the changes, i.e. Vent line
cleared, filters changed, clamps tightened. The engine ran great all
the way to Cuttyhunk. I probably ran it about 3 hours. Two of those
hours I ran it a little harder than I normally do after having read
Don M's reasons for having black sooty spark plugs. I thought my
problems were solved.
On our way home from cuttyhunk, We motored out the harbor and decided
that, because the wind was a little light, we would motor home to run
the engine some more. 50 minutes into our ride home, the same thing,
only a bit slower. the whole, slow, stall happened over maybe a minute
or two. Some sputter, then run normal, a little more sputter, then
normal and then a slow stall.
We then sailed home and into the mooring field. This is actually a
benefit of the engine troubles, I've been a bit intimidated about
sailing onto the mouth of the river due to the current and very tight
channel flanked by shoals and some pretty ominous looking rocks. I've
now had to sail into the harbor twice over this last weekend. At one
point we were probably doing 4 or 4.5knts through the water but only 1
to 1.5knts over the ground fighting that current. On one side of the
boat it a big, rocky cliff and the other shoal. it was a little
adrenalin pumping! Anyway, the approach to our mooring was dead, head
to wind, along with the current in the same direction, I lost forward
motion under sail and started the engine. She started right up and we
motored onto the mooring without incident.
So, safely moored, I pulled the vent tube, it was clear. I then went
below and pulled a spark plug and it was all black and sooty again
after maybe 4 hours running time.
I used the Moyer rebuild kit on the carb that is on there now. I'm not
sure but, I think I changed the main jet to the moyer recomended one
at that time. I think it came with the rebuild kit.
My earlier idling issues seemed to have been solved by swapping out
the carb that came with the exchange engine for the one I rebuilt off
the original engine and had just sitting around as a spare. I think
what I would like to do now is, clean up the carb that came with the
exchange engine. and swap them back out. I'll then replace the plugs
and run it some more. Unless you guys think I should maybe try another
path forward.
Danny
P.S. Cuttyhunk was Amazing!
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