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Engine Options

 
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dhall(at)donka.net
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PostPosted: Fri Jun 02, 2006 4:13 pm    Post subject: Engine Options Reply with quote

Lots of choices for engines these days. For those of you who went with
180/200hp IO-360 or 160hp IO-320, would you be swayed by these choices?

Superior has IO-400, 210hp. Based on angle-valve 360. Hmmm. 200hp was
tempting, but maybe 210 really softens the extra weight/hp argument?
ECI now offers an IOX-340, 185hp, based on 320 block. Hmmm. About same
power as the venerable IO-360, but lighter and less thirsty...

Yeah, prices might not favor either choice versus the common 360 or 320.
But when your trying to catch your buddies, do you still think about that?
My wallet and my machismo will battle for a while on that one.

Hope this isn't a war-starting subject. I respect the wisdom on this list.

Don


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dan(at)rvproject.com
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PostPosted: Fri Jun 02, 2006 10:44 pm    Post subject: Engine Options Reply with quote

Don't forget the IO-390-X, which is an angle valve 210hp variant produced by
Lycoming. Brand new, it's cheaper than its IO-360-A1* 200hp descendant.

I personally would like to see more fleet time on some of these new designs
before I would hang one on my plane. But that's just me. I'm also
skeptical of roller tappets that everybody is going ga-ga over. I won't
argue against the theoretical benefit, but I want to see more fleet time on
'em before I buy into it in practice. Call me conservative.

)_( Dan
RV-7 N714D (924 hours)
http://www.rvproject.com

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sfarner(at)gmail.com
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PostPosted: Sat Jun 03, 2006 1:08 am    Post subject: Engine Options Reply with quote

One additional thing to think about with the newer engines like the IO-390 and probably the IOX-340 is the greater amount of tinkering required with the firewall forward setup over the I/O-360 and -320. There's not a whole lot of documentation out there yet on these engines. I've spent quite a bit of time scratching my head trying to figure out how to get things to fit (baffles, prop gov. cable, alternator bracket, etc.), plus the added time of fabricating new or modifying existing parts. Is it worth it? I'll see in a few months.
 
Scott
IO-390 RV-7A - Thinking about the big move to the airport.
www.scottfarner.com
 


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bo124rs(at)hotmail.com
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PostPosted: Sat Jun 03, 2006 2:59 am    Post subject: Engine Options Reply with quote

Don, I'll soften the blow:-)

I've got a 200HP angle valve IO360,pretty much all yellow tagged, with
overhauled Hartzell constant speed
prop/gov.........................combination for 18K. You put it together.
Go to:
http://rvflying.tripod.com/id32.html

I've had a couple hits on this one but not sold yet.

Shameless plug:-)

Dana Overall
Richmond, KY i39
RV-7 slider, Imron black, "Black Magic"
O 360 A1A, C/S C2YK-1BF/F7666A4
http://rvflying.tripod.com/id30.html
do not archive

Quote:
From: "Don Hall" <dhall(at)donka.net>
Reply-To: rv7-list(at)matronics.com
To: <rv7-list(at)matronics.com>
Subject: Engine Options
Date: Fri, 2 Jun 2006 20:05:58 -0400



Lots of choices for engines these days. For those of you who went with
180/200hp IO-360 or 160hp IO-320, would you be swayed by these choices?

Superior has IO-400, 210hp. Based on angle-valve 360. Hmmm. 200hp was
tempting, but maybe 210 really softens the extra weight/hp argument?
ECI now offers an IOX-340, 185hp, based on 320 block. Hmmm. About same
power as the venerable IO-360, but lighter and less thirsty...

Yeah, prices might not favor either choice versus the common 360 or 320.
But when your trying to catch your buddies, do you still think about that?
My wallet and my machismo will battle for a while on that one.

Hope this isn't a war-starting subject. I respect the wisdom on this list.

Don


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