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Old 11-21-2020, 06:16 PM
Skyskiguy Skyskiguy is offline
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GM 3.0 Duramax

Anybody towing their MasterCraft with the new 3.0 Duramax in either the Sierra or Silverado?
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Old 11-21-2020, 06:36 PM
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X25John X25John is offline
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I towed my 2019 XStar with my sons 2020 GMC 1500 duramax. I was very impressed and it did a great job. My truck was the same thing with a 6.2. Thought they both did good job just not enough suspension for the weight. I have since bought a GMC 2500 HD gasser. Haven’t towed with it yet.
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Old 11-21-2020, 06:52 PM
Skyskiguy Skyskiguy is offline
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My Sierra and Escalade both have the 6.2. Both tow my X30 very well - but the MPG is terrible, especially as a daily driver. I want to stick with a Ĺ ton as it is my daily driver and the reports I’m hearing/reading on the MPG of the 3.0 Duramax are pretty impressive while producing the same torque as the 6.2.

Last edited by Skyskiguy; 11-22-2020 at 02:14 AM.
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Old 11-21-2020, 09:26 PM
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waterlogged882 waterlogged882 is offline
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Rear axle ratio is the show-stopper (for me) on the light duty 1500 / 3.0.

The 3.42:1 is the tallest gear available. The 10-speed doesn't make up the difference for the grade (literally). However everyone's expectations and geographical terrain are different. I'd say it is a good engine for particular needs.

Nothing like stepping a foot on the Allison designed transmission in the earlier year make 2500+ series. It's a thrill to say the least.

.
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Old 11-21-2020, 10:17 PM
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Quote:
Originally Posted by waterlogged882 View Post
Rear axle ratio is the show-stopper (for me) on the light duty 1500 / 3.0.

The 3.42:1 is the tallest gear available. The 10-speed doesn't make up the difference for the grade (literally). However everyone's expectations and geographical terrain are different. I'd say it is a good engine for particular needs.

Nothing like stepping a foot on the Allison designed transmission in the earlier year make 2500+ series. It's a thrill to say the least.

.


10 speed definitely makes up for the lower gearing.
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Old 11-22-2020, 01:22 AM
CrashCourse316 CrashCourse316 is online now
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All I know is a family member just got the 3.0 Diesel as his company vehicle and its super quiet.
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Old 11-22-2020, 10:46 AM
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4.69 first gear ratio
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Old 11-22-2020, 11:27 AM
Skyskiguy Skyskiguy is offline
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Originally Posted by CrashCourse316 View Post
All I know is a family member just got the 3.0 Diesel as his company vehicle and its super quiet.
They say that the inline configuration contributes greatly to how smooth and quiet it is.
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Old 11-22-2020, 11:31 AM
Skyskiguy Skyskiguy is offline
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Also interesting that the tranny was co-developed by Ford & GM and they are both using it in their Ĺ ton diesels. Yet the reports are that it shifts more smoothly in the GM.
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Old 11-22-2020, 11:38 AM
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Originally Posted by Skyskiguy View Post
Also interesting that the tranny was co-developed by Ford & GM and they are both using it in their Ĺ ton diesels. Yet the reports are that it shifts more smoothly in the GM.
Iíve got a 10 speed in my raptor, and itís crazy smooth. And itís a rocket.
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