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C/K Man

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  1. I didn't think it was a bad performance for a gas engine. If I were towing that much weight regularly, I would get a 3500. Doubt it would sag as much in the rear with that much tongue weight. I hear from some sources that the 6.6L should be compared to the Ford 6.2L and Ram 6.4. Supposedly GM has a larger gas engine on the way.
  2. Nice! Thought the area looked familiar, then I saw you got on the 15........
  3. Looks like they are going to be popular. Saw 2 new ones working in the past few days. Have not see any of the International versions yet.
  4. Charge light is likely to be turned on by the body control module. You should probably start with a scan tool and see what the codes are. It's funny that you have 14v. and the light is on.
  5. Good question. I got a look at the 2020HD service manual, and most of the front suspension components look similar to the 2011-up GMT-900 and K2XX HD's. However, I did see some differences, sway bar end links for one. Of course, looking at pictures doesn't give you the whole picture! There very well could be enough minor changes to each part to make the whole suspension 'all new'.
  6. Like I said, IF the Ford 7.3L shows any meaningful advantage over the GM 6.6L, it will be because of Ford's 10 speed transmission. I hear that currently work is underway on a version of the 6.6L for the new Silverado 4500/5500/6500 medium duties. It may be teamed with the Allison 2000 series, as the 6.0L L96 is in Freightliner chassis built for UPS and others. I wouldn't be surprised if it too caries a different rating than the L8T's in the 2500/3500, but remember these differences often are the result of how medium duty commercial vehicle engines are rated, not because of any real difference in the engines.
  7. Noticed the Ford 6.2L continues with the Torq-Shift G 6 speed transmission. I have been hearing that since the L8T 6.6L is the standard engine in the HD pickups it should be compared to the standard (6.2L) V-8 in the Super Duty pickups, even though it is very close in output to Ford's new 7.3L.
  8. That's true, probably any performance advantage the 7.3 would have over the 6.6 would be attributable to Ford's 10 speed transmission. I wonder if at some point GM will offer the 10 speed Allison as an option with the 6.6L, but I have a feeling that if the rumors of an 8L+ gas V-8 are true the Allison would certainly be offered with the larger V-8.
  9. I thought the bodies, including hood and tailgate, were all steel on the 2020 HD's. Andre get that wrong?
  10. And I think 3.73 gears will be just fine.
  11. Wow, over 400 ft. lbs. @ 2000 r.p.m..
  12. Interesting, thanks for posting. Looks like the chassis is about the same as the GMT900/K2XX HD design.
  13. Stock size wheels/tires? Speedometer reading correctly? Could be a problem with accelerator position sensor or throttle body out of range but not failed completely. Had a good GM guy scan it, not just check for codes.
  14. Not a problem, they are supposed to break there! Allows for heat expansion. Many of the newer 6.0L manifolds are saw cut in the same spot between the 3rd. and 4th. bolt.
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