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About Hydro4acid

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  1. I have this same issue. But it only happens sometimes. Sometimes my HVAC doesnt perform fully, as in doesnt flow as much air as it can. Happens about 1/15 times. When it doesnt peform to its fullest (for i dont know reasons), the whistle sound happens. its frustrating but prob hard to diagnose since its impossible to replicate.
  2. Also something to note: in Canada, you will see that 87 octane can have up to 10% ethanol. Ethanol has a lower energy value that other gasoline additives. so vs 91, you will see timing and less energy in each molecule of gas, therefore worse mileage. However, the difference of energy between 87 and 91 fuel does not make up for the difference in 87 octane cost vs 91 octane gas. I run 91 in my 6.2L and get 10-11L/100km on the higwhway (i think this is like 22-24mpg) and i think thats great for the truck where everyone is calling the 6.2L a pig. But if u floor it and drive it like so in town, its gonna let you know its thirsty. The 16-17 that this guy is showing on his at4...who knows, maybe thats due to snowmobile and no cover, along with gas type. Not sure. May be other factors at play.
  3. 2020 6.2L denali with 10 speed, tonneau cover. Going 120 on highway i get 10-11L/100km. i almost always got that mileage. Towing a 4000lb enclosed trailer, i was showing 20-22L/100km towing. Lifted will make a big difference.
  4. Does anyone in Canada sell this? Ship to Canada without having a headache with customs? Interested but Canada might limit me.
  5. Hey guys, My sub is installed. I bought the control knob afterwards for the sub. What are the proper steps for installing one? Ive seen power off, knob all the way to the lowest setting. How do i get the amp to have no power, just unplug everything? Thanks, sorry for the amateur questions.
  6. The head unit does not do any controlling for bass?
  7. Thanks! And what if I don't put in a control knob?
  8. When you install the kicker factory subwoofer, does it pull most of the bass to the sub or do the speakers still do the same thing as without the sub? Just wondering if most bass will come from the back or speakers as well? I'd prefer less bass in the speakers and more into the subwoofer,so just wondering how it is designed to work. Any replies would be great!
  9. Has anyone installed this system without knob control?
  10. In my 2020 6.2 Denali, going 75-80 I got 23-25 mpg over 500 miles. I'm pretty pleased with this truck on the highway. Power when u want, mileage when u need it.
  11. My buddy has a 6" lift on his high country here in Alberta. Not sure where that info is coming from
  12. Oh okay. My rattle is inside the passenger door when I play almost any type of music and the system plays some bass (anything except really low). I may let them take the entire door apart to try and find a fix. For an 80k cad truck, it shouldnt have any issues. only 2000 km's on it. been present since 500 km. I can stop the rattles if i just press slightly on the plastic panel beneath where the arm would be resting. I wonder if they can glue or find some other fix for it.
  13. Did the dealer have a fix? I have rattles in my passenger door too from certain bass. Thanks
  14. Honestly Ive been trying to find out just what exactly that does cover. Im sure it doesnt cover wear items, and unsure about rattles whether I will have to pay or not to get it looked at before its fixed.
  15. Hey guys, When I play some songs, certain bass will make my doors rattle in a way that is extremely frustrating for an expensive truck. The doors on my truck just do not seem put together tightly or well. Otherwise, no issues with the truck. I suspect its the frequency just vibrating the plastic a certain way... Would I have a case to take it into the dealer to get them to tighten everything up under warranty? I only have 1700km (1000 miles) on it and playing music is kinda irritating me that I am hearing a rattle. Is this stuff covered under warranty? Its basically brand new. Thanks.
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