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  1. Oldphart

    Another Question On The MDS/ECO Mode

    There are lots of them out there.just google RAM MDS disable
  2. Oldphart

    Towing sag

    This.....I tow a 24' Jayco that is about 6,800 loaded. The dealer set it up so the trailer and truck are both dead level when using the proper chain link and hitch height; took him about one hour of various adjustments....I glad I watched what he did as there is no way I would have had the...
  3. Oldphart

    Better MPG with higher octane?

    I run either 91 non-ethenol or 93 corn....Price is about the same down here. I get 19.5-20.0 in mixed driving with the MDS off.
  4. Oldphart

    Octane change??

    I don't think I would run 87 in anything unless it's non-ethanol. Been running 91 non-ethanol since new. Around here, it's a few cents cheaper than 93 corn. Been getting 18-19 in mostly backroad driving with the MDS off. I think it would do 1 or 2 mpg better if I left it functional.
  5. Oldphart

    2021 1500 5.7 coolant temp went nuts

    I have a feeling that most of us are used to looking at a standard temp gauge which uses a needle against a scale. Those type of gauges are notoriously over-damped and barely, if ever register a change during normal driving. The digital readout gives us real-time temp changes. It's not going...
  6. Oldphart

    New muffler/exhaust - Performance

    It's a truck, guys. More torque is the answer for just about everything you will need, not top end HP. If that's what you want, get a Challenger SRT or something similar. Reducing back-pressure is a ticket for reduced torque and MPG. If there was a Tri-Y header setup available, that would be the...
  7. Oldphart

    Quick oil recommendations

    As my screen-name indicates, I also remember the old school days. My uncle had a early 60's Chrysler Imperial with the 426 wedge (I think). It required retorquing the heads after 500 miles!
  8. Oldphart

    Lug-nuts

    Got the black lugnuts installed. I think they look better than the standard chrome ones. If I were to do it again, I would paint the brake hub where the studs go thru a satin black, There is a very small "halo" of silver as the McGards are a bit narrower after the cone mates with the wheel...
  9. Oldphart

    What is your oil pressure?

    Thanks GK...appreciate the explanation.
  10. Oldphart

    What is your oil pressure?

    I'm not a chemist but it is my understanding that the 5 in 5w-20 is the minimum viscosity the oil can have. If one runs a 5w-20,30,40, etc. those oils would all start at 5w. Now, I'm not sure exactly how this happens, but it is again my understanding that the multi-viscosity oils will maintain...
  11. Oldphart

    Lug-nuts

    Thanks ekaz....just what I was looking at. I'll get 5 sets of 4 + locks.
  12. Oldphart

    Oil change every 12 months

    I had a 2016 GMC canyon and the transmission was "unservacable" also. Some guy developed an aluminum trans pan that not only held an additional 2 qts but had a dipstick that was properly calibrated. Sold all he could make for $300. Changing the trans fluid was just like the good old days. If...
  13. Oldphart

    Lug-nuts

    What style did you get? I was looking at the McGard ones in black chrome but I'm nut sure if they are the conical ones or other style.
  14. Oldphart

    Lug-nuts

    I was on another forum and the issue if 2 piece lug-nuts came up. Polished aluminum caps over mild steel. After a period of time, corrosion sets in due to dissimilar metals and the aluminum swells to the point where a standard lug-wrench won't work. I'm trying to find out if the RAM's are...
  15. Oldphart

    Engine Troubles-rough idle

    Can't help with the issue, but you said the dealership stated the "codes just went away". That can't happen unless they are deliberately deleted. I'd be looking for another dealer pronto.
  16. Oldphart

    Why so much hate for MDS and auto stop/start?

    Gear limiter does not disable S/S. There is a separate switch just below the 4x4 selectors. Aditionally, you need to hit the - gear limiter thd then hit the + until it's in 8th. Frankly I find this a PITA. I know there are several products out there that automatically cancel the S/S but I can't...
  17. Oldphart

    Tuners for the hemi

    Regarding the Pulsar, since it's a piggy-back mount, can I safely assume that if I need to take the truck to the dealer, I can temporary remove it so it will not show up on any ECU's? I know programmers will leave a trace on the ECU and void your warranty.
  18. Oldphart

    Tuners for the hemi

    I found the Pedal Commander to be just about worthless; all it does is vary the degree the throttle plate moves in relation to the gas pedal. I tried one on my last truck (GMC Canyon V6) and sold it soon after. Went with a tune from Trifecta. It altered the timing, trans shift points, etc. on...
  19. Oldphart

    Towing to Alaska - 5.7, 3.21

    We went to Branson, Mo last November but decided to rent a condo instead of pulling the trailer. We were able to do the drive in one day and the increased gas mileage more than made up for the difference between the price for the condo and any of the trailer parks.
  20. Oldphart

    Towing to Alaska - 5.7, 3.21

    I get around 10.5, but I live in SE Texas where the only hills are the overpasses on I-10. I run 65 also, but there is an area where the limit is 75 so I bump it up a bit to avoid being a moving chicane.
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