Posted by Uncle Jed on March 09, 2014 at 07:03:15 from (174.100.86.76):
In Reply to: fuel economy posted by George Marsh on March 08, 2014 at 12:43:38:
Don't you think that fuel injection and electronic ignition would have been a natural progression by the manufacturers as they tried to one up their competition? As gas prices increased since the late 70's, market demand would have had the Big 3 finding ways to better fuel mileage and all of this would have happened without the EPA and considerable expense to the consumer. I'm not against clean air, but I do think we have to walk a fine line between tolerable pollution and pricing ourselves back to the stone age.
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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