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									  PERRIS AUTO SPEEDWAY NIGHT OF 
									  DESTRUCTION DOUBLE DECKER CLASS (Revised 
									  12/21/18) 
									  2019 OFFICIAL RULES | 
									  
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									  All 
									  Participants in this class must 18 years 
									  and older. 
									   
									  1.0 
									  THE CAR 
									  A: Open to any 
									  body style; NO Trucks 
									  B: Open to 
									  Front or Rear Wheel Drive vehicles; All 
									  Wheel drive bottom cars NOT ALLOWED. 
									  C:
									  Open to any 
									  size stock OEM engine. No Turbo or 
									  supercharged engines. Automatic or Manual 
									  Transmission okay. 
									   
									   
									  2.0 
									  MINIMUM ROLLOVER PROTECTION - BOTTOM CAR 
									  Three 4” posts 
									  with a minimum 12”x 12” plate top and 
									  bottom of each 
									  h post. One 
									  post behind the driver, the second post 
									  behind where the passenger seat was, the 
									  third post in the passenger foot area. The 
									  two rear posts must be attached by a 
									  minimum .100 2”cross bar like a big “H”. 
									  Posts can be round or square with a 
									  minimum .100 wall thickness. 
									   
									   
									  3.0 
									  CONNECTING THE TWO CARS 
									  The two cars 
									  must be attached in a minimum of 3 places. 
									  They can be a combination of 12” x 12” 
									  plates bolted through the roof of the 
									  bottom car and the floor of the top car. 
									  Welding the floor to the roof is also 
									  recommended in combination with the 
									  plates. The plates on the top car’s floor 
									  should be bolted to the bottom car’s 
									  rollover protection. 
									   
									  Four 
									  stabilizers must also be attached, one on 
									  each corner of the top car down to the 
									  bottom car. These should be mounted on the 
									  lower windshield posts and rear window 
									  posts, using 2” square, round, or angle 
									  iron. 
									   
									  4.0 
									  MINIMUM ROLLOVER PROTECTION - TOP CAR 
									  Minimum of two 
									  4” posts, one behind the driver and one 
									  behind the passenger seat area. The second 
									  post must be attached by a minimum 2” 
									  cross bar like a big “H”. Posts must be 
									  bolted or welded to the roof and the 
									  floor. All rollover posts must have a 12” 
									  x 12” plate top and bottom like a big “I”. 
									   
									  5.0 
									  DOOR BARS 
									  Two door bars 
									  that extend across the driver’s door are 
									  required. It must overlap the 
									   
									  front fender 
									  and rear quarter/rear door a minimum of 
									  6”. The bottom door bar 
									   
									  centerline 
									  should be between 16” and 18” off the 
									  ground. These door bars must be a 
									   
									  minimum of 4” 
									  3/16” channel steel or 2” x 3” by 1/8” 
									  wall thickness rectangular steel 
									   
									  tubing. Must 
									  be welded in place. Door bars must be 
									  beveled on each end to eliminate 
									   
									  jagged edges. 
									  A single door bar is recommended on the 
									  top car. 
									   
									  6.0 
									  GENERAL STUFF 
									  • All metal 
									  panels must be left intact. Hood and trunk 
									  hinge must be left intact. 
									   
									  Heater cores, 
									  fans, a/c, must remain in place. Battery 
									  must remain in its original position. 
									  • The top car 
									  may have the engine, transmission, 
									  suspension, etc. removed. 
									  • Doors must 
									  be welded shut. 
									  • Outside 
									  trim, moldings, headlights, taillights 
									  must be removed. 
									  • Bottom must 
									  be bone stock. No performance 
									  modifications. 
									  • The top car 
									  is responsible for steering ONLY. The 
									  bottom car is responsible for the throttle 
									  and brakes. TIP: pick a bottom car you can 
									  get easy steering access. 
									  • When 
									  repairing cars, only stock replacement 
									  parts may be used. 
									  • Hood and 
									  trunk must be pinned in two locations.
									   
									  • 5 point 
									  racing harness mandatory. 
									  • Window nets 
									  required in both top and bottom cars. 
									  • All glass 
									  MUST be removed. A window screen must on 
									  installed on the bottom car in place of 
									  the front windshield.. 
									   
									   
									  7.0 
									  STEERING 
									  The steering 
									  shaft can e directly connected to the 
									  bottom car’s rack and pinion system. 
									  The steering 
									  mechanism must incorporate a minimum ¾ 
									  tubing or bar. Universal joints and 
									  steering shaft should be supported by rod 
									  ends. A quick release steering wheel is 
									  recommended on the top car. The steering 
									  shaft can also be connected to the bottom 
									  car’s steering column. You have to remove 
									  part of the dash to connect the steering 
									  shaft to the column. 
									   
									   
									  8.0 
									  APPEARANCE 
									  All cars 
									  expected to have clean, straight bodies. 
									  Cars should be freshly painted, if needed. 
									  Vinyl cut lettering is preferred. The cars 
									  should have a number, 18” tall, on the 
									  rear fender on both sides of the bottom 
									  car. All cars MUST have a name. Be 
									  CREATIVE. The car name should appear on 
									  the vehicle in a leg 
									   
									  PURSE: 
									  1st $500, 2nd $300, 3rd $200 | 
									  
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