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  1. M

    Upgraded Classic Mini Dog Box Kits

    The new BWR Mini Dog Box Kits should be available in 10 -14 Weeks. The specifications for these gear sets is as follows: Material S156 Vacuum ARC Remelt EN39C Super Alloy Gear teeth CNC double cut for improved surface finish Heat treat 58 to 60 Rockwell .040" deep. Sub zero treated...
  2. M

    Improved Classic Mini Dog Box

    A good number of U.S. Mini racers have experienced continual problems with a popular dog box currently available. To remedy this, BWR Motorsport is in the process of having an upgraded dog box manufactured with U.S. ratios. The dog box is based upon a highly reliable kit that has been raced...
  3. M

    Spridget Rolling Start Dog Box Project/New Belt Drive Belts

    I rarely use forums so forgive my unfamiliarity. I have received a number of inquires about rolling start ratios for the Spridget Dog Box I build. The racers that have contacted me have requested the following ratios: 1st 1.77 2nd 1.429 3rd 1.196. My manufacturer is willing to...
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