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<blockquote data-quote="DiamondSCattleCo" data-source="post: 156239" data-attributes="member: 2862"><p>I'm too lazy to go back 6 pages<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />) ), however in an earlier post I did mention the caveat 'when all other things are equal, only the motor changes' or words to that effect. With gearing, most things are possible, although you will eventually run out of options due to transmission size.</p><p></p><p>But lets take it another direction. You've now given the gas engine 3.73s to allow it to move the load. So stick the diesel into that truck now. Since you've shortened the gearing, the diesel will now be able to pull even more as it has an even greater torque at the driven wheels. So you so keep shortening the gearing, as the gas engine has enough RPMs that you can still do highway speeds. Thats fine, but the diesel, at any given axle ratio, has a torque surplus, and gives you option of tossing an OD (or 4 or 8) into the transmission. Effectively, you are increasing the RPMs of the diesel engine without actually doing so.</p><p></p><p></p><p></p><p>This is a good analogy that only illustrates my point.</p><p></p><p>Make the rock bigger. The big fella, with his shorter lever, can probably still move the bigger rock. The little fella, no matter how quick he is, still can't move it. He just ain't got the torque. Or maybe the big fella can't move it with his shorter lever. So give the big fella the shorter guys lever. He can now move the rock, whereas the little fella probably needs an even longer lever again. But the fact is, he'll always need that longer lever (shorter gears) to move the same load that the big fella can move.</p><p></p><p>Rod</p></blockquote><p></p>
[QUOTE="DiamondSCattleCo, post: 156239, member: 2862"] I'm too lazy to go back 6 pages(:) ), however in an earlier post I did mention the caveat 'when all other things are equal, only the motor changes' or words to that effect. With gearing, most things are possible, although you will eventually run out of options due to transmission size. But lets take it another direction. You've now given the gas engine 3.73s to allow it to move the load. So stick the diesel into that truck now. Since you've shortened the gearing, the diesel will now be able to pull even more as it has an even greater torque at the driven wheels. So you so keep shortening the gearing, as the gas engine has enough RPMs that you can still do highway speeds. Thats fine, but the diesel, at any given axle ratio, has a torque surplus, and gives you option of tossing an OD (or 4 or 8) into the transmission. Effectively, you are increasing the RPMs of the diesel engine without actually doing so. This is a good analogy that only illustrates my point. Make the rock bigger. The big fella, with his shorter lever, can probably still move the bigger rock. The little fella, no matter how quick he is, still can't move it. He just ain't got the torque. Or maybe the big fella can't move it with his shorter lever. So give the big fella the shorter guys lever. He can now move the rock, whereas the little fella probably needs an even longer lever again. But the fact is, he'll always need that longer lever (shorter gears) to move the same load that the big fella can move. Rod [/QUOTE]
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