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Charles Heathco
Joined: 10 Jan 2006
Posts: 201
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 Posted: Wed Oct 10, 2007 4:56 am Post subject: higher gas burn |
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I flew from Fayetteville ar to Columbus Oh and back fior the mustang thing, and calculated my gas burn, first since I put in the newer O-320. it was burning 9+ at 2400 and 10 at 2500. old engine burning a gal less. I lean aressivly, the old way I learned, no gauges. I put the orig carb on the new engine. so I am baffled as to why gs burn has increased. Both engines are 150hp. Any Ideas? Charlie Heathco
[quote][b]
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pitts_pilot(at)bellsouth.
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| Posted: Wed Oct 10, 2007 5:49 am Post subject: higher gas burn |
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Just a WAG Charlie, but differences in the intake path (new Vs old) may change the 'lean point' so you're not able to lean as much on the new installation.
Linn
Charles Heathco wrote:
[quote] I flew from Fayetteville ar to Columbus Oh and back fior the mustang thing, and calculated my gas burn, first since I put in the newer O-320. it was burning 9+ at 2400 and 10 at 2500. old engine burning a gal less. I lean aressivly, the old way I learned, no gauges. I put the orig carb on the new engine. so I am baffled as to why gs burn has increased. Both engines are 150hp. Any Ideas? Charlie Heathco
[b]
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klwerner(at)comcast.net
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| Posted: Wed Oct 10, 2007 8:12 am Post subject: higher gas burn |
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How many hours are on the new engine so far?
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khorton01(at)rogers.com
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| Posted: Wed Oct 10, 2007 10:33 am Post subject: higher gas burn |
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On Wed, 10 Oct 2007 07:49:58 -0500
"Charles Heathco" <cheathco(at)cox.net> wrote:
| Quote: | I flew from Fayetteville ar to Columbus Oh and back fior the mustang thing, and calculated my gas burn, first since I put in the newer O-320. it was burning 9+ at 2400 and 10 at 2500. old engine burning a gal less. I lean aressivly, the old way I learned, no gauges. I put the orig carb on the new engine. so I am baffled as to why gs burn has increased. Both engines are 150hp. Any Ideas? Charlie Heathco
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Is it possible that the new engine is making more power than the old one? Has your cruise speed changed at all? Do you have the same prop as before?
Kevin Horton
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