Today's Message Index:
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1. 06:25 PM - 320-E2G question - front main bearing (Michael McGee)
2. 06:25 PM - 320-E2G sump question (Michael McGee)
3. 10:56 PM - Re: 320-E2G question - front main bearing (TeamGrumman@aol.com)
Message 1
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| Subject: | 320-E2G question - front main bearing |
--> Engines-List message posted by: Michael McGee <jmpcrftr@teleport.com>
The E2G is listed as having the O-235 front main bearing. Not having
had an O-235 apart before, what does this mean? Is the bearing
smaller, shorter, no provision for hydraulic prop control? What makes
this different?
I have this engine in my RV-4 and I'm pulling the engine to fix some
nuisance oil leaks and am debating a few additional "fixes". I am
wondering if this bearing is not substantial enough for a lot of
aerobatics.
Thanks in advance.
Mike McGee, RV-4 N996RV, O320-E2G, Hillsboro, OR
13B in gestation mode, RD-1C, EC-2
Message 2
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| Subject: | 320-E2G sump question |
--> Engines-List message posted by: Michael McGee <jmpcrftr@teleport.com>
Has anyone successfully made a carbureted O-320 have 100 or less EGT
spread through the full range of the throttle? If so what model
engine and what sump is on the engine?
Carbureted engine, I'm trying to sort out an annoying mixture
distribution (I know.. buy fuel injection). Full throttle is nice
and even, typical 75-100 EGT spread. Just off of full throttle #3 &
4 leans out and #1 & 2 goes rich, typically 275 deg F EGT spread.
Back to 2/3 throttle and on down they even back out again.
Carb is a 10-5009 with the nozzle kit to make it a 10-5217. The kit
was supposed to improve mixture distribution. It didn't.
From the symptoms I can say it's not an induction leak. I'm
wondering if this particular engine with its particular sump and
induction tubes has something to do with it.
The O-320-E2G is listed as having an A sump. I see some references
to a straight riser sump ( -A1B for instance). My O-320-E2G
induction tubes on cylinders 3 & 4 come out from the narrow part of
the sump in the back directly under the lower engine mount. The
four induction tubes don't point directly to the riser where the
carb bolts on.
Thanks in advance for any help or suggestions.
(I know .. get rid of the engine monitor)
Mike McGee, RV-4 N996RV, O320-E2G, Hillsboro, OR
13B in gestation mode, RD-1C, EC-2
Message 3
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| Subject: | Re: 320-E2G question - front main bearing |
--> Engines-List message posted by: TeamGrumman@aol.com
In a message dated 2/11/06 6:26:47 PM, jmpcrftr@teleport.com writes:
> Mike McGee, RV-4 N996RV, O320-E2G, Hillsboro, OR
> 13B in gestation mode, RD-1C, EC-2
>
Hi Mike,
I worked with a Mike McKee. I had to double-take.
I would suggest calling Ken Tunnell at LyCon and picking his brain. If he
can give you Steve Mahelek phone number, he could probably answer you also.
the LyCon number is (559) 651-1070. Catch him first thing in the morning or
you'll never catch him off the phone.
Gary
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