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THUNDERsGARAGE.com
THUNDERS FOUR WHEELN'
" TECH  CORNER "

Included here are some time tested, useful ideas to aid you in building or maintaining your custom ride.

Here's what I have so far. Do you have some advise to share? E-Mail your tips to Blue Thunder.

  • PERFORMANCE CHIPS
  • FORD SUPER DUTY DEATH WOBBLE CURE
  • OFF-ROAD TRAVEL CHECKLIST
  • FIND YOUR TRUE GEARING
  • WHAT GEAR DO I NEED FOR MY NEW TIRES

  • Performance Chips:

    Automotive Upgrades for Improved Fuel Economy
    September, 2011
    By Arash Allaei

    In the new age of ever-fluctuating gas prices and uncertainty in fuel markets overall, comfot can be taken in driving fuel efficient vehicles versus using giant gas guzzlers to get everywhere. If you drive a vehicle that's perceived to be a gas guzzler of sorts, such as a truck, van, or SUV, you may feel as though you're a hostage to gas price changes, but you're not. There are various aftermarket automotive upgrades available for use on larger vehicles that help to improve their fuel economy. Of them all, among the cheapest and easiest to install is a performance chip.

    Performance computer chips can raise the fuel efficiency of a truck or van by basically 'tricking' the vehicle's sensors into reacting differently to information being fed to it. A standard performance chip add-on, depending on what other pieces of aftermarket parts you've installed, can provide you with 4-7 miles per gallon in fuel savings. After all, fuel savings depends on a streamlined process that starts with a spark igniting fuel in the engine and continues on with air intake into the engine and actual fuel expenditure. The more efficient the air-fuel-spark mixture is, the fewer the gallons of gasoline your truck or van will end up using.

    Of all upgrade projects, performance chip installation is among the simplest. In under an hour, most people will be able to hook up the chip to the air intake sensor, and most modern car computer chips don't require manual reboots nowadays to operate with your car's current systems. You should only need basic tools to complete the installation, and as long as you follow directions carefully, installation should be done in no-time.

    Performance chips, along with boosting a vehicle's fuel economy, also can raise horsepower output by up to 60HP, depending on the engine displacement. While that may seem under whelming compared to the potential 400 horsepower boost provided by a turbocharger, it's still quite significant at a fraction of the cost in parts or labor. With both power and fuel efficiency improvements in hand, this inexpensive add-on makes for a great early upgrade project for any van or truck owner.

    For more information on performance chips, surf to: Performance Chips Direct.


    Ford Super Duty Death Wobble Cure

    A Cure For The Super Duty Curse
    December, 2009
    By Rick Pewe
    Photography by Rick Pewe
    For more info and step-by-step photos, visit Peterson's 4 Wheel & Off-Road web site.


    OFF-ROAD TRAVEL CHECKLIST

    Things To Take With You

      CHECK ALL YOUR RIDES FLUIDS
      CHECK YOUR TIRE AIR PRESSURE
      Drivers License
      Vehicle Instruction Manuel
      Auto Registration
      Proof of Insurance
      Traveler's Checks
      Flash Light & Batteries
      First Aid Kit
      Jack & Platform
      Tire Block
      Puncture Repair Kit
      Hand or 12v Battery Air Pump
      Tire Gauge
      Pressure Spare Tire
      Spare Light Bulbs
      Spare Fuses
      Extra Fan Belts
      Radiator Hose
      Jumper Cables
      Well Equiped Tool Box
      Soap
      Tow Rope, Chain or and Shovel
      Duct Tape

    What did I forget?


    FIND YOUR TRUE GEARING...

    The TOTALLY accurate way to tell your true overall gearing...is below.

    Park on a slight downhill grade with some downhill room....tires properly inflated, vehicle loaded as it would be when in use, etc.

    Make a chalk-mark on tire sidewall facing straight down, and one on the pavement...have a helper roll the van one rolling diameter downhill, so mark on tire is again straight down....make new mark on pavement. Meanwhile, you get under van and count how many driveshaft revs equal one true rolling diameter revolution - that's your baseline axle ratio.

    Now...measure distance between marks on pavement in inches, and divide that into 63,360 (the number of inches in a mile). This gives you TRUE axle revs per mile, and, axle RPM at 60 MPH. This number times baseline axle ratio (from above) gives you TRUE driveshaft RPM at 60 MPH....which is also engine RPM when in 3rd gear lockup.

    4th gear RPM at 60 MPH is above number times OD ratio...usually .7 or thereabouts.

    Hope this is useful...
    Thank Matt


    I want to use a different wheel / tire combination...

    How do I figure out how a different ratio will affect my engine RPM's?
    What ratio I need to get my engine to turn "X" RPM's @ 60MPH?

    Use this helpful guide to help you figure out your best combination.

    THUNDERs GARAGE
    Click Here --> RPM CALCULATOR


    Do you have any tech tips to pass along ?
    E-Mail your tips to me,
    I might just include them on this page.

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