The Beat is a pretty cool little car, I always liked driving it in Gran Turismo since you could take corners at top speed with the super slicks on. Whats this Backyard B18C5 thing you're talking about? Any more info or pics?
Here's a barrage of pics/info.
1993 Honda Beat
Exterior:
Back Yard Special Front Bumper
Back Yard Special Rear Bumper
Back Yard Special Rear Blister Fenders
Back Yard Special Rear Trunk
Back Yard Special Aero Hood
Back Yard Special Side Steps
Back Yard Special Hardtop
Back Yard Special Carbon Wing
Chassis, Suspension, & Engine:
Backyard Special Front Strut Tower Bar
Madhouse FRP Driver & Passenger Doors w/ Acrylic Glass
Special Order RG Coilovers (Front) - 6 kg.
Custom Apex Coilovers (Rear) - 14 kg.
Honda EK Civic Radiator
Custom Rear Pipe
Member Rear Arm Section
Special Order Pillow Arm
Custom Rear Stabilizer Bar
B18C stock engine
Exedy Metal Clutch Disc
Exedy Pressure Plate
Toda Racing Chromoly Flywheel
ATS 4.928 Final Gear Kit
Oil Cooler
DC2R 98 Spec Exhaust Manifold
Custom Stainless Steel Muffler
Hotwire Plugwires
Custom ECU (Tuned by Back Yard Special)
Aluminum 4-point Roll Cage
Full Bucket Seat Urethane
Filled Sidesills
Brakes, Wheels, & Tires:
Front & Rear DC2R 96 Spec Brake Calipers
Weds Sports TC-005 (15 x 7), Advan 048 (198-50-15) (FRONT)
Weds Sports TC-005 (16 x 8), Bridgestone 55S (225-40-16) (REAR)
Weight: 790 kg = 1742 lbs