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  1. tuminatr

    Increased efficiency with 255/45 20 Hankook Ion on my GT (updated OP)

    This is true the car accelerated much faster and felt more nimble. I should have but didn't take it to the dragstrip. A different take on this is we put lightweight wheel and tire combo on my wife's Audi TT. The result is a much more fun car. She can't push it beyond the limit of grip of her...
  2. tuminatr

    Increased efficiency with 255/45 20 Hankook Ion on my GT (updated OP)

    I used the same exact set of tires. First ran them on the TSW then went to discount tire and had them swapped to the CR1
  3. tuminatr

    Increased efficiency with 255/45 20 Hankook Ion on my GT (updated OP)

    I do think weight / mass has an effect but not the way you have described. All of these factors are application specific on a EV light weight wheels does not necessarily help. As I stated earlier this is not a theory i tested lightweight wheels (TSW Bathurst 18x8 18.6lbs) on my premium vs CR1...
  4. tuminatr

    Increased efficiency with 255/45 20 Hankook Ion on my GT (updated OP)

    [ That is an example of rolling resistance. My road bike the tires are at 100psi my mountain bike they are at 35 PSI Also knobby tires vs smooth city tires. MTN bike again has more rolling resistance.
  5. tuminatr

    Increased efficiency with 255/45 20 Hankook Ion on my GT (updated OP)

    This is exactly the point I was trying to make it's extremely complicated. Below are the general statements I feel are accurate. 1 Wider tires have little effect on efficiency 2 Tire pressure has a huge effect on efficiency especially at highway speeds. 3 Weight both hurts and helps if the...
  6. tuminatr

    Increased efficiency with 255/45 20 Hankook Ion on my GT (updated OP)

    Sorry buddy, I sure can compare them. The 305 in the Hankook Ion is more efficient. The Euro letter grades are from the tire being physically tested for rolling resistance. Here is an article on the letter grades. Honestly, I wish we did there here there would be less misunderstanding on the...
  7. tuminatr

    Increased efficiency with 255/45 20 Hankook Ion on my GT (updated OP)

    I would state that many of the things everyone thinks about tires can be wrong. Here is the Hankook Ion web site for Europe. If you don't already know tire labels in Europe rate efficiency. A 225/55/18 is rated B so it is less efficient than a 305/30/21 that is rated A It's not always the...
  8. tuminatr

    Increased efficiency with 255/45 20 Hankook Ion on my GT (updated OP)

    And that's tru True but 20-30mm makes almost no difference. Or think of it this way width does have an effect but pressure has a much larger effect.
  9. tuminatr

    Increased efficiency with 255/45 20 Hankook Ion on my GT (updated OP)

    That's mostly true usually the reason why car manufacturers go with skinnier tires is that they can up the pressure. The Mach E is a pretty good example they could have gone with wider tires but wanted to run them at 39 PSI for maximum efficiency. So the difference in efficiency between a 255...
  10. tuminatr

    Mach-E Aftermarket wheel and tire information and pictures

    Mark, you have 21x9.5 ET40 and 275 square fitment on your car? I just started planning next year's setup and was thinking about going 19x9.5 +40 and 285/45/19 Square. Hoping it would fit and wouldn't rub so you experience would be helpful. I almost bought a single rim to test fit on the front...
  11. tuminatr

    We don’t need EV tires…?

    I have heard those are close to stock efficiency maybe a 2% hit. I had similar thoughts and bought a set of 245/50/19 Vredetein Quatrac Pro to run in the winter. I chose the Quatrac over the CC2 for 2 reasons. First you can rotate them normally ( the CC2 is directional and can only front to...
  12. tuminatr

    We don’t need EV tires…?

    There will be a bit of an efficiency hit. it would be less of a hit if you kept the stock size. Mainly because the 235 tire has a higher load rating and should be run with less pressure or it will wear faster than normal.
  13. tuminatr

    Our cars are devalued significantly.

    It's probable but that's currently what's going on with ALL EVs. Go look at the prices of other used EVs they are absolute bargans. Also the sticker prices of the MME have gone down significantly. In MN where I live you can get 10k off in a lease. Effectively getting a new base 24 GT for 43k...
  14. tuminatr

    We don’t need EV tires…?

    Exactly right, tires can be developed to emphasize different needs/wants. I went with a set of 19" UHP summer tires the Vredetein Ultrac Pro that are as efficient as the factory tires but sooooo much more comfortable ride and better traction and handling. They likely won't go more than 40k...
  15. tuminatr

    L2 Charging with Tesla Destination Charger - 3rd Party adapter recommendations?

    Me too 5 years no fitment issues. It was tight for the first few uses but so was my A2Z Typhoon. The thing I have noticed is TT seems to be the most compatible.
  16. tuminatr

    L2 Charging with Tesla Destination Charger - 3rd Party adapter recommendations?

    The Tesla Tap Mini 60a is likely the best second choice would be the A2Z (probably the best value), I would avoid the Lectron That is based on the quality of the Typhoon NACS adaptor I got from A2Z its nice. The Tesla Tap has never failed me, I have had one for about five years...
  17. tuminatr

    Android Automotive

    Having rented a few Volvos, the AA built-in seems to work well. It was snappier than Sync 4. I didn't think I would like having Google Maps built in but it was very nice


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