Re: How to get better Fuel, and Gas Ecconomy for your Veh...

Posted by RN on March 27, 2008 at 12:24:33 from (69.130.251.144):

In Reply to: How to get better Fuel, and Gas Ecconomy for your Vehicle posted by Bruce Hopf on March 27, 2008 at 07:22:14:

Take 50+ year old technology for best fuel economy- Hemisperical (or close to it) combustion chamber, dual spark plugs and dual spark source like 2 magnetoes, maybe direct fuel injection or leanable light throttle carberator. You can find examples in Pratt&Whitney 14 cylinder radials. BMW /5, /6 motorcycle engines had some dual plug upgrades when worried about unleaded gas here- claimed road mileage increased 5-10% under 90mph. Ford 140 inch 4 with dual ignition advertised about same mileage gain still with carb. Central spark plug, high energy ignition and port type fuel injection nowadays getting about the best compomise of fuel economy and performance. Cadillac has/had a 8stroke ignition cycle for light load running to get fuel economy and run cool- basicly fuel injector squirted only 1/2 the time. Lots of ways to get fuel economy known- but the marketable balance of power and performance may vary between Citroen 2CV and Ford Taurus when the 75 mile speed zones for 100 miles are considered. RN

Replies:

• Re: How to get better Fuel, and Gas Ecconomy for your Veh... Texasmark 07:40:10 03/29/08 (0)

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