ORP 063 - Are Your Gears Turning Overs Gears

Off Road Podcast Episode 063: Are Your Gears Turning Overs GearsOn this show we cover all things offroad whether you're looking for some Sunday jaunts on some fire roads or some hard core rock crawling we will cover it all. I'm your host Forrest and joining me are my fellow co hosts Steve bradley and Ben. How are you guys today.

Has anyone done anything off road or exciting this week?

Events: lucas off road expo Pomona CA. Bradley and Forrest will be attending let us know if you will be there. offroadexpo.com

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Listener Feedback.

Hi  I just started listening to your podcast and love it. I'm going to buy a jeep and want to do some trail riding but I don't have the time or garage to build a jeep do to being in the military. I just wanted know what you think about the rocky ridge jeep packages they put on the new jeeps I'm looking to buy one of those. Here's a link to one  http://www.sherry4x4.com/vehicle/2015-jeep-wrangler-unlimited-rubicon-rocky-ridge-k-2-27451t/#  If you could just let me what you think if it's worth it or not and if the suspension or parts they put on it  are good. Thanks for the help.

Patriot Patch Company

Main Topic: are your gears turning overs gears

Does your head feel like exploding because you went and lifted your rig and put larger tires on and now you feel like your rig doesn't get around like it used to or when you go to the hills you're over in the bike lane thinking about getting out and pushing your rig up the hill because  it would be faster. once you figure out that the taller tires changed your ratios you start research that you need to change your gears but then your head starts to hurt  again because you have no idea what gears to change too. well with a little bit of the universal language “math” you can figure out what ratio will work best for you if not better.

Basics of a differential

  1. gear ratios what are they and how do they work
  1. definition: the ratio of the rotational speeds of the first and final gears in a trainof gears or of any two meshing gears.
  1. How does a differential work
  1. http://auto.howstuffworks.com/differential.htm ,https://www.youtube.com/watch?v=yYAw79386WI
  2. factory gear ratios are set to optimize your vehicle for factory size tires and factory power. the gearing in your factory differential allows optimum use of your engine's power whether that be used to go down the freeway and get optimum fuel milage or to tow a big load up hills and down the road without stressing your transmission and engine depending on what your vehicle was built for.
  3. high gear ratio example 3:08 low gear ratio example 4:56  
  4. lower numbers equal higher ratios and higher numbers equal lower gears
  1. What affects gear ratios
  1. tire size: if you go up in tire size it means there's a larger ratio from gears to ground and smaller tires means you get a smaller ratio to the ground. when you go up in size it gives you higher gear ratios which is better for higher speeds but you lose power in the bottom end.
  2. changing a transmission or transfer case: shorter shifting transmissions will affect how fast your engine maxes out to the power from the engine. lower transfer cases do the same
  3. engine power: more power can mean you need less gear less power means you need more gears.
  1. gear math
  1. http://www.offroaders.com/info/tech-corner/reading/mph-rpm.htm
  2. http://www.fourwheeler.com/how-to/truck-gear-calculations/
  3. http://www.grimmjeeper.com/regearing_basics.html

closing statements

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