gas mileage
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Be kind. No government, state, or local politics allowed. Admin has final decision for any/all removed posts.
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- bugler
- Posts: 100
- Joined: Thu Jul 19, 2018 4:23 pm
Re: gas mileage
The green ones.
Miraphone 191 4-valve
1925 Conn 28J
Cerveny CEP 531-4M
Fox 880 "Sayen" (oops... that's an oboe)
1925 Conn 28J
Cerveny CEP 531-4M
Fox 880 "Sayen" (oops... that's an oboe)

- Dan Schultz
- TubaTinker
- Posts: 10424
- Joined: Thu Mar 18, 2004 10:46 pm
- Location: Newburgh, Indiana
- Contact:
Re: gas mileage
I have a set made from yellow dice on my Blazer 4WD. I get an astounding 15mpg. I think the yellow ones are better than the red or blue ones.
Dan Schultz
"The Village Tinker"
http://www.thevillagetinker.com" target="_blank
Current 'stable'... Rudolf Meinl 5/4, Marzan (by Willson) euph, King 2341, Alphorn, and other strange stuff.
"The Village Tinker"
http://www.thevillagetinker.com" target="_blank
Current 'stable'... Rudolf Meinl 5/4, Marzan (by Willson) euph, King 2341, Alphorn, and other strange stuff.
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- 5 valves
- Posts: 1729
- Joined: Fri Jul 20, 2012 10:42 pm
- Location: Baltimore, MD, USA
Re: gas mileage
I'm surprised no one has mentioned the ones Miraphone makes. But I like the Alexander ones better.................
Principal tuba, Bel Air Community Band
Old (early 1900s?) Alexander BBb proto-163
1976 Sonora (B&S 101) 4-rotor BBb
1964 Conn 20J/21J BBb (one body, both bells)
~1904 York 3P BBb Helicon
Old Alex Comp.F, in shop
Old (early 1900s?) Alexander BBb proto-163
1976 Sonora (B&S 101) 4-rotor BBb
1964 Conn 20J/21J BBb (one body, both bells)
~1904 York 3P BBb Helicon
Old Alex Comp.F, in shop
Re: gas mileage
The valve cap is irrelevant. But you should definitely fill your tires with nitrogen instead of plain old air.


- sushi20j
- bugler
- Posts: 35
- Joined: Sun Apr 15, 2018 5:06 pm
- Location: Pensacola
Re: gas mileage
Fill the tire with concrete, then you can omit the valve and its cap all together.
2002 Miraphone 187
1956 Conn 20J
1967 Conn 20J - For Sale
1967 Conn 24J
19?? Universal Eb Sousa
1956 Conn 20J
1967 Conn 20J - For Sale
1967 Conn 24J
19?? Universal Eb Sousa
- iiipopes
- Utility Infielder
- Posts: 8574
- Joined: Tue Sep 06, 2005 1:10 am
Re: gas mileage
None. The trunk of my convertible is too small to carry my tuba.
Jupiter JTU1110
"Real" Conn 36K
K&G 3F
"Real" Conn 36K
K&G 3F
- gwwilk
- 3 valves
- Posts: 448
- Joined: Fri Mar 19, 2004 12:06 am
- Location: Lincoln, NE
Re: gas mileage
True, and that's how you get the green valve caps! I've had nitrogen in my tires for the past four years, and there's no 'Tire Pressure Warning Light' triggered when cold weather arrives. They just keep on rolling.Mark wrote:The valve cap is irrelevant. But you should definitely fill your tires with nitrogen instead of plain old air.
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- 5 valves
- Posts: 1579
- Joined: Sat Mar 20, 2004 11:01 am
Re: gas mileage
The Darling Of The Thirty-Cents-Sharp Low D♭'s.
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- 4 valves
- Posts: 843
- Joined: Wed Dec 14, 2011 9:10 am
- Location: Tewksbury, NJ
Re: gas mileage
If you use Presta valves and caps instead of Schrader you will go much faster and double the gas mileage because the aerodynamic profile is far superior.
I
The difference is like night and day.
Hup
I
The difference is like night and day.
Hup
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