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<blockquote data-quote="DiamondSCattleCo" data-source="post: 154989" data-attributes="member: 2862"><p><chuckle> You're comparing apples to rotten tomatoes with a comparison of a 1984 Ford with the 6.9 non-turbo, non-intercooled diesel and your new v10. Your new V10 gas makes twice the HP and torque of your old truck, so its gonna easily outpull it. However, your new v10 has less torque than any of the new diesels, so its just not going to pull with them, unless you have lower gearing. Its not a diesel vs gas thing, just a numbers thing. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Those diesels you were outpulling up the mountains? Quite likely older models. Before 1998, Dodge had no altitude compensation, so power could be down by as much as 40% depending on altitude. From 98 - 2002, the Cummins would then grab a reading at startup and adjust from there, however it wasn't terribly useful on long, tall grades. In 03 they went to system that samples every millisecond. Chevy's had this system since the introduction of the DMax (99), and Fords had this system since the 6.0L. So with the ability to fine-tune the injection process, the current diesels will lose less power in altitude, even less than gassers as the turbo helps to compensate when the naturally aspirated gasser just can't.</p><p></p><p>Rod</p></blockquote><p></p>
[QUOTE="DiamondSCattleCo, post: 154989, member: 2862"] <chuckle> You're comparing apples to rotten tomatoes with a comparison of a 1984 Ford with the 6.9 non-turbo, non-intercooled diesel and your new v10. Your new V10 gas makes twice the HP and torque of your old truck, so its gonna easily outpull it. However, your new v10 has less torque than any of the new diesels, so its just not going to pull with them, unless you have lower gearing. Its not a diesel vs gas thing, just a numbers thing. :) Those diesels you were outpulling up the mountains? Quite likely older models. Before 1998, Dodge had no altitude compensation, so power could be down by as much as 40% depending on altitude. From 98 - 2002, the Cummins would then grab a reading at startup and adjust from there, however it wasn't terribly useful on long, tall grades. In 03 they went to system that samples every millisecond. Chevy's had this system since the introduction of the DMax (99), and Fords had this system since the 6.0L. So with the ability to fine-tune the injection process, the current diesels will lose less power in altitude, even less than gassers as the turbo helps to compensate when the naturally aspirated gasser just can't. Rod [/QUOTE]
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