[rebel-builders] CYLINDER HEADS

[Walter Klatt]

To me, that would depend on the history of the old jugs. How many hours,
bored out, valves, etc, anything wrong with them? I think you said you were
just going with 150 hp. A new engine or jugs needs to be broken in properly
with minimum ground running, which is not always preferable with a new
plane.

Walter

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Jones,
Michael
Sent: May 9, 2006 6:55 AM
To: Rebel-Builders (E-mail)
Subject: [rebel-builders] CYLINDER HEADS

HI ALL

so anyone know if its worth putting on new re-designed lycoming, millennium
or ECI jugs on a 0-320, or should i just with the original jugs ??

thanks

mike#007




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[Bob Patterson]

Hi Mike !

FWIW, we've not had good results with anything ECI ....
Superior cylinders & engines seem much better. They have incorporated
many improvements, like more metal around the exhaust ports, reducing
cracking, and greatly improved airflow in the intakes. The Superior
XP engines are very popular homebuilding choices these days - can be
had balanced, polished, and ported - for a bit extra $$$ !! :-)
This makes a very smooth engine with no rpm restriction ranges,
unlike a stock Lyc. - in the O-360 variation.

You mentioned narrow deck - FAR better to get a wide deck engine
if you can - they are sturdier, and less likely to have bearing and
seal problems.

If the old jugs have lots of hours, scrap them. History has shown
that they WILL crack, definitely, after about 4,000 hours ... or sooner !
The gliding club stopped overhauling cylinders years ago - it is actually
cheaper to replace them with new Superior cylinders, as the overhauled
ones didn't last very long, and the labour costs for replacement, and the
down time, more than ate up the savings !

.....bobp

-------------------------------orig.-------------------------
On Tuesday 09 May 2006 01:55 pm, Jones, Michael wrote:

HI ALL

so anyone know if its worth putting on new re-designed lycoming, millennium
or ECI jugs on a 0-320, or should i just with the original jugs ??

thanks

mike#007

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[Jones, Michael]

hi bob

would go wide deck but already have mount & rubbers for, so would have to
try to sell them, easier to just go with narrow deck, engine is from leavens
and is 0-320-b3b, has heavy bearings stock, also told 160 hp stock, and if i
want leavens says can get 168 hp from it, what do you think, my concern
about 160 hp is getting fuel for it

mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of Bob
Patterson
Sent: Tuesday, May 09, 2006 10:44 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] CYLINDER HEADS



Hi Mike !

FWIW, we've not had good results with anything ECI ....
Superior cylinders & engines seem much better. They have incorporated
many improvements, like more metal around the exhaust ports, reducing
cracking, and greatly improved airflow in the intakes. The Superior
XP engines are very popular homebuilding choices these days - can be
had balanced, polished, and ported - for a bit extra $$$ !! :-)
This makes a very smooth engine with no rpm restriction ranges,
unlike a stock Lyc. - in the O-360 variation.

You mentioned narrow deck - FAR better to get a wide deck engine
if you can - they are sturdier, and less likely to have bearing and
seal problems.

If the old jugs have lots of hours, scrap them. History has shown
that they WILL crack, definitely, after about 4,000 hours ... or sooner !
The gliding club stopped overhauling cylinders years ago - it is actually
cheaper to replace them with new Superior cylinders, as the overhauled
ones didn't last very long, and the labour costs for replacement, and the
down time, more than ate up the savings !

.....bobp

-------------------------------orig.-------------------------
On Tuesday 09 May 2006 01:55 pm, Jones, Michael wrote:

HI ALL

so anyone know if its worth putting on new re-designed lycoming,

millennium

or ECI jugs on a 0-320, or should i just with the original jugs ??

thanks

mike#007

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[Jean Poirier]

Hello Michael,

What engine mount do you have? I will need one for a 0-235 on a Rebel...

Jean
Rebel 747R
----- Original Message -----
From: "Jones, Michael" <Michael.Jones@snclavalin.com>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, May 09, 2006 10:54 AM
Subject: RE: [rebel-builders] CYLINDER HEADS

hi bob

would go wide deck but already have mount & rubbers for, so would have to
try to sell them, easier to just go with narrow deck, engine is from
leavens
and is 0-320-b3b, has heavy bearings stock, also told 160 hp stock, and if
i
want leavens says can get 168 hp from it, what do you think, my concern
about 160 hp is getting fuel for it

mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of Bob
Patterson
Sent: Tuesday, May 09, 2006 10:44 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] CYLINDER HEADS



Hi Mike !

FWIW, we've not had good results with anything ECI ....
Superior cylinders & engines seem much better. They have incorporated
many improvements, like more metal around the exhaust ports, reducing
cracking, and greatly improved airflow in the intakes. The Superior
XP engines are very popular homebuilding choices these days - can be
had balanced, polished, and ported - for a bit extra $$$ !! :-)
This makes a very smooth engine with no rpm restriction ranges,
unlike a stock Lyc. - in the O-360 variation.

You mentioned narrow deck - FAR better to get a wide deck engine
if you can - they are sturdier, and less likely to have bearing and
seal problems.

If the old jugs have lots of hours, scrap them. History has shown
that they WILL crack, definitely, after about 4,000 hours ... or sooner !
The gliding club stopped overhauling cylinders years ago - it is actually
cheaper to replace them with new Superior cylinders, as the overhauled
ones didn't last very long, and the labour costs for replacement, and the
down time, more than ate up the savings !

.....bobp

-------------------------------orig.-------------------------
On Tuesday 09 May 2006 01:55 pm, Jones, Michael wrote:

HI ALL

so anyone know if its worth putting on new re-designed lycoming,

millennium

or ECI jugs on a 0-320, or should i just with the original jugs ??

thanks

mike#007

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[Jones, Michael]

i have murphy conical, with all bolts and rubber bushings to match

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Jean Poirier
Sent: Tuesday, May 09, 2006 11:21 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] CYLINDER HEADS


Hello Michael,

What engine mount do you have? I will need one for a 0-235 on a Rebel...

Jean
Rebel 747R
----- Original Message -----
From: "Jones, Michael" <Michael.Jones@snclavalin.com>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, May 09, 2006 10:54 AM
Subject: RE: [rebel-builders] CYLINDER HEADS

hi bob

would go wide deck but already have mount & rubbers for, so would have to
try to sell them, easier to just go with narrow deck, engine is from
leavens
and is 0-320-b3b, has heavy bearings stock, also told 160 hp stock, and if

i
want leavens says can get 168 hp from it, what do you think, my concern
about 160 hp is getting fuel for it

mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of Bob
Patterson
Sent: Tuesday, May 09, 2006 10:44 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] CYLINDER HEADS



Hi Mike !

FWIW, we've not had good results with anything ECI ....
Superior cylinders & engines seem much better. They have incorporated
many improvements, like more metal around the exhaust ports, reducing
cracking, and greatly improved airflow in the intakes. The Superior
XP engines are very popular homebuilding choices these days - can be
had balanced, polished, and ported - for a bit extra $$$ !! :-)
This makes a very smooth engine with no rpm restriction ranges,
unlike a stock Lyc. - in the O-360 variation.

You mentioned narrow deck - FAR better to get a wide deck engine
if you can - they are sturdier, and less likely to have bearing and
seal problems.

If the old jugs have lots of hours, scrap them. History has shown
that they WILL crack, definitely, after about 4,000 hours ... or sooner !
The gliding club stopped overhauling cylinders years ago - it is actually
cheaper to replace them with new Superior cylinders, as the overhauled
ones didn't last very long, and the labour costs for replacement, and the
down time, more than ate up the savings !

.....bobp

-------------------------------orig.-------------------------
On Tuesday 09 May 2006 01:55 pm, Jones, Michael wrote:

HI ALL

so anyone know if its worth putting on new re-designed lycoming,

millennium

or ECI jugs on a 0-320, or should i just with the original jugs ??

thanks

mike#007

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[Drew Dalgleish]

At 10:54 AM 5/9/2006 -0400, you wrote:

hi bob

would go wide deck but already have mount & rubbers for, so would have to
try to sell them, easier to just go with narrow deck, engine is from leavens
and is 0-320-b3b, has heavy bearings stock, also told 160 hp stock, and if i
want leavens says can get 168 hp from it, what do you think, my concern
about 160 hp is getting fuel for it

mike

Hi Mike A wide deck engine will still use the same mount and rubbers as you
have. If you go with rebuilt cylinders remember that the previous owner
decided to scrap them probably for a reason. It's a lot easier to get 100LL
than mogas when you're away from home.




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[Jones, Michael]

drew

i thought wide deck used dynafocal mount and narrow used conical mount, what
model wide deck uses conical mount ?? or do you just mean the rubbers &
bolts not steel frame mount ?? confused ??

mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Drew Dalgleish
Sent: Tuesday, May 09, 2006 11:27 AM
To: rebel-builders@dcsol.com
Subject: RE: [rebel-builders] CYLINDER HEADS


At 10:54 AM 5/9/2006 -0400, you wrote:

hi bob

would go wide deck but already have mount & rubbers for, so would have to
try to sell them, easier to just go with narrow deck, engine is from

leavens

and is 0-320-b3b, has heavy bearings stock, also told 160 hp stock, and if

i

want leavens says can get 168 hp from it, what do you think, my concern
about 160 hp is getting fuel for it

mike

Hi Mike A wide deck engine will still use the same mount and rubbers as you
have. If you go with rebuilt cylinders remember that the previous owner
decided to scrap them probably for a reason. It's a lot easier to get 100LL
than mogas when you're away from home.




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[Drew Dalgleish]

At 11:32 AM 5/9/2006 -0400, you wrote:

drew

i thought wide deck used dynafocal mount and narrow used conical mount, what
model wide deck uses conical mount ?? or do you just mean the rubbers &
bolts not steel frame mount ?? confused ??

mike

I'm not up on all the numbers and what they mean but my new engine will be
an 0-320-b-d2a. I'm told that's a wide deck conical mount.




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[Bob Patterson]

Hi Mike !

There are other concerns with 160 hp - I know some disagree,
but there is more vibration, and there is more load...

Wide & narrow decks can be had in dynafocal AND conical -
and you can change a conical into a dynafocal fairly easily.

Fuel IS a big concern, down the road - the new Kitplanes has an
article on fuel - hope to read it today ...

Leavens do a GREAT job on rebuilding - and are a class act for
warranty work !!! I have a Leavens overhauled O-320-E2D ... :-)

.....bobp

-------------------------------orig.-------------------------
On Tuesday 09 May 2006 02:54 pm, Jones, Michael wrote:

hi bob

would go wide deck but already have mount & rubbers for, so would have to
try to sell them, easier to just go with narrow deck, engine is from
leavens and is 0-320-b3b, has heavy bearings stock, also told 160 hp stock,
and if i want leavens says can get 168 hp from it, what do you think, my
concern about 160 hp is getting fuel for it

mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of Bob
Patterson
Sent: Tuesday, May 09, 2006 10:44 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] CYLINDER HEADS



Hi Mike !

FWIW, we've not had good results with anything ECI ....
Superior cylinders & engines seem much better. They have incorporated
many improvements, like more metal around the exhaust ports, reducing
cracking, and greatly improved airflow in the intakes. The Superior
XP engines are very popular homebuilding choices these days - can be
had balanced, polished, and ported - for a bit extra $$$ !! :-)
This makes a very smooth engine with no rpm restriction ranges,
unlike a stock Lyc. - in the O-360 variation.

You mentioned narrow deck - FAR better to get a wide deck engine
if you can - they are sturdier, and less likely to have bearing and
seal problems.

If the old jugs have lots of hours, scrap them. History has shown
that they WILL crack, definitely, after about 4,000 hours ... or sooner !
The gliding club stopped overhauling cylinders years ago - it is actually
cheaper to replace them with new Superior cylinders, as the overhauled
ones didn't last very long, and the labour costs for replacement, and the
down time, more than ate up the savings !

.....bobp

-------------------------------orig.-------------------------

On Tuesday 09 May 2006 01:55 pm, Jones, Michael wrote:

HI ALL

so anyone know if its worth putting on new re-designed lycoming,

millennium

or ECI jugs on a 0-320, or should i just with the original jugs ??

thanks

mike#007

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[Wayne G. O'Shea]

" Leavens do a GREAT job on rebuilding - and are a class act for

warranty work !!! I have a Leavens overhauled O-320-E2D ... :-)"

................And it has first run overhauled cylinders on it....so Mike
don't blow the money on new as per Bob's previous message about the glider
club.

The average rec pilot flys an average of about 45 hours a year. Some make it
to a 100 and most about 25. If you are lucky enough to be the 100 hour fella
those cylinders should serve you well for the next 20 years.

Wide deck vs Narrow deck is right up there with the arguement for main
wheels toed in or toed out !! Both have advantages...both have disadvantages
and should not detour you from your goal of an available engine. Wide decks
actually have more cracking problems on the case than narrows...narrows have
more cylinder base cracking than wides. I personally would rather fork out
for the cylinder...than a case and complete rebuild!

The engine in my own Rebel is an O-320-B2A that I, much to Leavens dismay,
had overhauled as a 150 HP engine...so it became a -C2A. My reasoning was
similar to yours Mike...I was afraid of finding fuel on the water if the
need arose to use marinas. The thing is now that most of them have premium
now for all the sea doos and there are lots of float bases out there that
have 100LL. Personally I do not even consider using auto fuel unless there
is no other choice. (It will also void your Leavens warrantee...so keep that
in mind!). My other thought was low compression 150 HP on the heavy 160HP
crank/bearings would last me a life time without problems...and the -B 160
HP engines also have cylinder hold down plates to spread the load on the
cylinder bases where as 150HP -A models don't. So if you go 150 the plates
will still stay, heavier bottom end and a bullet proof engine.

Decissions, decissions, decissions.....If you are going to run a metal
prop....I'd go 160HP.... anything else 150.

I've got to get back to the shop....I should be off fishing already!

Wayne

----- Original Message -----
From: "Bob Patterson" <beep@sympatico.ca>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, May 09, 2006 11:58 AM
Subject: Re: [rebel-builders] CYLINDER HEADS

Hi Mike !

There are other concerns with 160 hp - I know some disagree,
but there is more vibration, and there is more load...

Wide & narrow decks can be had in dynafocal AND conical -
and you can change a conical into a dynafocal fairly easily.

Fuel IS a big concern, down the road - the new Kitplanes has an
article on fuel - hope to read it today ...

Leavens do a GREAT job on rebuilding - and are a class act for
warranty work !!! I have a Leavens overhauled O-320-E2D ... :-)

.....bobp

-------------------------------orig.-------------------------
On Tuesday 09 May 2006 02:54 pm, Jones, Michael wrote:

hi bob

would go wide deck but already have mount & rubbers for, so would have

to

try to sell them, easier to just go with narrow deck, engine is from
leavens and is 0-320-b3b, has heavy bearings stock, also told 160 hp

stock,

and if i want leavens says can get 168 hp from it, what do you think, my
concern about 160 hp is getting fuel for it

mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of Bob
Patterson
Sent: Tuesday, May 09, 2006 10:44 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] CYLINDER HEADS



Hi Mike !

FWIW, we've not had good results with anything ECI ....
Superior cylinders & engines seem much better. They have incorporated
many improvements, like more metal around the exhaust ports, reducing
cracking, and greatly improved airflow in the intakes. The Superior
XP engines are very popular homebuilding choices these days - can be
had balanced, polished, and ported - for a bit extra $$$ !! :-)
This makes a very smooth engine with no rpm restriction ranges,
unlike a stock Lyc. - in the O-360 variation.

You mentioned narrow deck - FAR better to get a wide deck engine
if you can - they are sturdier, and less likely to have bearing and
seal problems.

If the old jugs have lots of hours, scrap them. History has shown
that they WILL crack, definitely, after about 4,000 hours ... or sooner

!

The gliding club stopped overhauling cylinders years ago - it is

actually

cheaper to replace them with new Superior cylinders, as the overhauled
ones didn't last very long, and the labour costs for replacement, and

the

down time, more than ate up the savings !

.....bobp

-------------------------------orig.-------------------------

On Tuesday 09 May 2006 01:55 pm, Jones, Michael wrote:

HI ALL

so anyone know if its worth putting on new re-designed lycoming,

millennium

or ECI jugs on a 0-320, or should i just with the original jugs ??

thanks

mike#007

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[steve whitenect]

I did exactly what Leavens did for Wayne's engine. I have a 0-320B2B narrow
deck conical that I rebuilt and put the low compression pistons in to get
the 150 hp. I will be able to use a 3:1 mixture of auto fuel to avgas as I
did with my 0-235-C1 and come out with the same lead content that the
engines required with the old 80 avgas. 100LL has four times the lead
content that the 80 had.

Steve W. #637R





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[british thunder]

I wouldn't worry about fuel for it, available at most airports.
Or you can get it delivered to you're door for about 10 cents more than gas
at the corner station. It was $1.16 about 2 weeks ago, delivered to my door.
Cec
014R
----- Original Message -----
From: "Jones, Michael" <Michael.Jones@snclavalin.com>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, May 09, 2006 9:54 AM
Subject: RE: [rebel-builders] CYLINDER HEADS

hi bob

would go wide deck but already have mount & rubbers for, so would have to
try to sell them, easier to just go with narrow deck, engine is from

leavens

and is 0-320-b3b, has heavy bearings stock, also told 160 hp stock, and if

i

want leavens says can get 168 hp from it, what do you think, my concern
about 160 hp is getting fuel for it

mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of Bob
Patterson
Sent: Tuesday, May 09, 2006 10:44 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] CYLINDER HEADS



Hi Mike !

FWIW, we've not had good results with anything ECI ....
Superior cylinders & engines seem much better. They have incorporated
many improvements, like more metal around the exhaust ports, reducing
cracking, and greatly improved airflow in the intakes. The Superior
XP engines are very popular homebuilding choices these days - can be
had balanced, polished, and ported - for a bit extra $$$ !! :-)
This makes a very smooth engine with no rpm restriction ranges,
unlike a stock Lyc. - in the O-360 variation.

You mentioned narrow deck - FAR better to get a wide deck engine
if you can - they are sturdier, and less likely to have bearing and
seal problems.

If the old jugs have lots of hours, scrap them. History has shown
that they WILL crack, definitely, after about 4,000 hours ... or sooner !
The gliding club stopped overhauling cylinders years ago - it is actually
cheaper to replace them with new Superior cylinders, as the overhauled
ones didn't last very long, and the labour costs for replacement, and the
down time, more than ate up the savings !

.....bobp

-------------------------------orig.-------------------------
On Tuesday 09 May 2006 01:55 pm, Jones, Michael wrote:

HI ALL

so anyone know if its worth putting on new re-designed lycoming,

millennium

or ECI jugs on a 0-320, or should i just with the original jugs ??

thanks

mike#007

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[Drew Dalgleish]

At 08:22 PM 5/9/2006 -0500, you wrote:

I wouldn't worry about fuel for it, available at most airports.
Or you can get it delivered to you're door for about 10 cents more than gas
at the corner station. It was $1.16 about 2 weeks ago, delivered to my door.
Cec
014R

That's a good price. It's $1.38 at centralia now. Where are you located?






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[british thunder]

I had the 100ll delivered to Lindsay area on Sturgeon lake.
Cec
014R

----- Original Message -----
From: "Drew Dalgleish" <drewjan@cabletv.on.ca>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, May 09, 2006 8:00 PM
Subject: Re: [rebel-builders] CYLINDER HEADS

At 08:22 PM 5/9/2006 -0500, you wrote:

I wouldn't worry about fuel for it, available at most airports.
Or you can get it delivered to you're door for about 10 cents more than

gas

at the corner station. It was $1.16 about 2 weeks ago, delivered to my

door.

Cec
014R

That's a good price. It's $1.38 at centralia now. Where are you located?






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[Jones, Michael]

hey wayne

turns out old jugs are shot so have to get new ones, so getting lycoming
jugs
only question now is 150 or 160 hp, apparently fuel is not a problem so was
thinking 160 hp & metal prop
any comments, vibration from 160 hp ?? etc

thanks

mike#007

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Wayne G. O'Shea
Sent: Tuesday, May 09, 2006 12:50 PM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] CYLINDER HEADS


" Leavens do a GREAT job on rebuilding - and are a class act for

warranty work !!! I have a Leavens overhauled O-320-E2D ... :-)"

................And it has first run overhauled cylinders on it....so Mike
don't blow the money on new as per Bob's previous message about the glider
club.

The average rec pilot flys an average of about 45 hours a year. Some make it
to a 100 and most about 25. If you are lucky enough to be the 100 hour fella
those cylinders should serve you well for the next 20 years.

Wide deck vs Narrow deck is right up there with the arguement for main
wheels toed in or toed out !! Both have advantages...both have disadvantages
and should not detour you from your goal of an available engine. Wide decks
actually have more cracking problems on the case than narrows...narrows have
more cylinder base cracking than wides. I personally would rather fork out
for the cylinder...than a case and complete rebuild!

The engine in my own Rebel is an O-320-B2A that I, much to Leavens dismay,
had overhauled as a 150 HP engine...so it became a -C2A. My reasoning was
similar to yours Mike...I was afraid of finding fuel on the water if the
need arose to use marinas. The thing is now that most of them have premium
now for all the sea doos and there are lots of float bases out there that
have 100LL. Personally I do not even consider using auto fuel unless there
is no other choice. (It will also void your Leavens warrantee...so keep that
in mind!). My other thought was low compression 150 HP on the heavy 160HP
crank/bearings would last me a life time without problems...and the -B 160
HP engines also have cylinder hold down plates to spread the load on the
cylinder bases where as 150HP -A models don't. So if you go 150 the plates
will still stay, heavier bottom end and a bullet proof engine.

Decissions, decissions, decissions.....If you are going to run a metal
prop....I'd go 160HP.... anything else 150.

I've got to get back to the shop....I should be off fishing already!

Wayne

----- Original Message -----
From: "Bob Patterson" <beep@sympatico.ca>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, May 09, 2006 11:58 AM
Subject: Re: [rebel-builders] CYLINDER HEADS

Hi Mike !

There are other concerns with 160 hp - I know some disagree,
but there is more vibration, and there is more load...

Wide & narrow decks can be had in dynafocal AND conical -
and you can change a conical into a dynafocal fairly easily.

Fuel IS a big concern, down the road - the new Kitplanes has an
article on fuel - hope to read it today ...

Leavens do a GREAT job on rebuilding - and are a class act for
warranty work !!! I have a Leavens overhauled O-320-E2D ... :-)

.....bobp

-------------------------------orig.-------------------------
On Tuesday 09 May 2006 02:54 pm, Jones, Michael wrote:

hi bob

would go wide deck but already have mount & rubbers for, so would have

to

try to sell them, easier to just go with narrow deck, engine is from
leavens and is 0-320-b3b, has heavy bearings stock, also told 160 hp

stock,

and if i want leavens says can get 168 hp from it, what do you think, my
concern about 160 hp is getting fuel for it

mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of Bob
Patterson
Sent: Tuesday, May 09, 2006 10:44 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] CYLINDER HEADS



Hi Mike !

FWIW, we've not had good results with anything ECI ....
Superior cylinders & engines seem much better. They have incorporated
many improvements, like more metal around the exhaust ports, reducing
cracking, and greatly improved airflow in the intakes. The Superior
XP engines are very popular homebuilding choices these days - can be
had balanced, polished, and ported - for a bit extra $$$ !! :-)
This makes a very smooth engine with no rpm restriction ranges,
unlike a stock Lyc. - in the O-360 variation.

You mentioned narrow deck - FAR better to get a wide deck engine
if you can - they are sturdier, and less likely to have bearing and
seal problems.

If the old jugs have lots of hours, scrap them. History has shown
that they WILL crack, definitely, after about 4,000 hours ... or sooner

!

The gliding club stopped overhauling cylinders years ago - it is

actually

cheaper to replace them with new Superior cylinders, as the overhauled
ones didn't last very long, and the labour costs for replacement, and

the

down time, more than ate up the savings !

.....bobp

-------------------------------orig.-------------------------

On Tuesday 09 May 2006 01:55 pm, Jones, Michael wrote:

HI ALL

so anyone know if its worth putting on new re-designed lycoming,

millennium

or ECI jugs on a 0-320, or should i just with the original jugs ??

thanks

mike#007

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