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Re: Re: Re: Powerstroke or Cummins?
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Posted by Mark A on November 09, 2001 at 12:47:02 from (207.193.225.250):
In Reply to: Re: Re: Powerstroke or Cummins? posted by Xbyzero on November 09, 2001 at 11:36:09:
An inline 6 cylinder will be smoother than a V-8 due to the configuration. The cylinders fire at 60 degree intervals, with three pistons going down and three going up, which naturally balances the engine. Alot of engineers agree this is optimal. Thats why Ferrari's have a V-12, which is 2 sixes together, and also why Chevy's new engine in the Tahoe or Yukon, (or whatever its called) is an inline 6. A V-8 has pistons on one bank going back and forth at angles to the other bank. Of course this is balanced by heavy counterweights on the crankshaft. As far as being rigid, I think nobody will disagree that the Cummins block is not rigid. I had a Cummins in a 93 Dodge that I probably could have put a glass of water on the top of the engine, while it was running, and not see any vibrations in the water. It had a pulling rearend, which I am guessing to be 4.11 to 1 or so, yet still got 21 miles to the gallon at 70 mph. That was about top speed also. Yet it did that empty, or pulling a 28 foot gooseneck trailer full of cows. I have driven a 93 7.3 Ford diesel, that could not match the Dodge in mpg or power. But consider 4 wheel drive in any diesel if planning to drive in the mud, as the weight (of the ford or the dodge engines) will sink the front wheels and get you stuck, especially if the bed is empty. Sorry I got a little long winded.
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