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Carbs with higher Mpg
Posted 28 November 2005 - 01:36 AM
Posted 28 November 2005 - 11:27 AM
1. Convert to SPFI
2. Crank up the timing to 23-24 deg.
3. Install a cruise control
4. Drive at 55 mph.
5. Drive ONLY on the highway.
No magic carburettor, just good maintenance and driving very conservatively give the best results.
Posted 28 November 2005 - 11:32 AM
Seriously, the stoichiometric value for burning gasoline is approximately 14.7:1, which means it will burn completely at the point where you mix 14.7 parts air to 1 part gasoline. That ratio can't be changed, which is why the 200 MPG carbs are fairy tales. You can run a little leaner, but performance will suffer proportionally. Putting something like a Weber on your engine improves performance and mileage slightly, but only because it allows the engine to breathe a little more efficiently.
Given the basic layout of the Subaru, 30 MPG, which is what some people are claiming to get, is really good mileage. To do that, you have to drive very conservatively, which is the single biggest thing most people can do to improve their gas mileage.
Posted 28 November 2005 - 11:39 AM
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