Posted by rustyfarmall on March 08, 2014 at 14:05:56 from (208.126.186.41):
In Reply to: fuel economy posted by GordoSD on March 08, 2014 at 13:42:49:
I can't quite figure out if some of you guys are against the emmisions regulations, or in favor of them, but since I worked as an auto mechanic back in the 70s, and witnessed first hand the effects of the emmisions regulations, I can tell you for sure that reduced emmisions from the tailpipe also directly reduced the performance and miles per gallon of any given make or model of car.
The performance reduction was the BIG reason that engines kept getting bigger and bigger in the late 60s through the late 70s. Those engines were being choked down so much that it took a 454 under the hood to equal the performance of a 350 just a few years prior. I firmly believe that given the technology we have today, we could easily attain 25 to 30 miles per gallon in a 1/2 ton truck with a medium sized V8 engine, IF we could just get rid of the emmisions controls and let those engines run like they were intended to.
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Today's Featured Article - Fasteners: The Nuts and Bolts of Nuts and Bolts - by Curtis Von Fange. The nuts and bolts of nuts and bolts is an interesting and essential piece of knowledge that applies to our older tractors. An improperly torqued capscrew on an engine head or a shear bolt that is too hard on the driving shaft of a bushog can create havoc and make an expensive and uncalled for repair. Let�s examine the purpose and design of these fasteners in order to ensure their proper use. Fasteners are probably one of the aspects of mechanics that is given the least amount of thought.
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