Tenho andado a ver cenas dos Bajas e encontrei esta infirmação sobre as classes que participam na corrida Baja 1000. É impressionante a quantidade de classes com mecância vw que ainda correm.
Classes (por ordem de potencia)
Informação retirada: http://www.desertrides.com/reference/racing_classes.php
Class 10: Single or two seat buggies limited in engine size. There are 3 different limiting motor choices per configuration (single or two seat).
Horsepower: 200-250
Wheel Travel: 20-24 Front, 20-24 Rear
Weight: 1900-2100
Top Speed: 110
Cost New: $75,000-125,000
Cost Per Prep: $5,000-10,000
Basic Rules: Motor limited to 4 cylinders, with a minimum production of 5,000 units (specifics below). No fenders allowed.
Engine:
Single seat:
- 1650cc 16 valve water-cooled with single carburetor or stock fuel injection
- 1700cc 8 valve water-cooled with single carburetor
- 1915cc air-cooled pushrod with single or dual carburetors
Two seat:
- 1750cc 16 valve water-cooled with single carburetor or stock fuel injection
- 1800cc 8 valve water-cooled with single carburetor
- 2000cc air-cooled pushrod with single or dual carburetors or stock fuel injection
Score Lite: Single or two seat vehicles limited to air cooled engines.
Aka: 1100 (BITD)
Horsepower: 135 Single-seat, 150 Two-seat
Wheel Travel: 12-18 Front, 18-24 Rear
Weight: 1650-2100
Top Speed: 90
Cost New: $40,000-80,000
Cost Per Prep: $3,500-7,000
Basic Rules: Front suspension is limited to VW Type configuration; suspension must be of the twin beam, trialing arm type. Front and rear trailing arms are open(length, width, and manufacturer) as well as spindles.
Engine must be a VW type 1 and limited to the following:
Single Seat:
- Has a maximum of 2 valves per cylinder.
- Displacement must not exceed 1776cc.
- Limited to 1 carburetor; any manufacturer is acceptable.
Two Seat:
- Has a maximum of 2 valves per cylinder.
- Displacement must not exceed 1835cc.
- Limited to 1 carburetor; any manufacturer is acceptable.
This is a rear engine class only, and must be placed behind the axle centerline.
Class 5: Vehicle must be a VW Sedan Type 1 Hardtop or Convertible as delivered from the factory.
Horsepower: 175-250
Wheel Travel: 12-18 Front, 18-24 Rear
Weight: 2200-2400
Top Speed: 105
Cost New: $50,000-90,000
Cost Per Prep: $4,000-8,000
Basic Rules: Front and rear suspension is open, as long as it retains stock concept. Length, width, and manufacturer is open, as long as the wheelbase does not exceed 105 1/2'' at ride height.
Engine Rules: Any manufacturer air cooled, 4 cylinder, single cam, pushrod, VW concept engine is allowed. VW 4 cylinder water cooled engines may also be used. Displacement is open.
1/2-1600: Single or two-seat buggies limited to 1600cc Type 1 engine and Type 1 suspension components.
Aka: 2000 (BITD)
Horsepower: 77-82 Single seat (dual port), 82-87 Two-seat (dual port)
Wheel Travel: 9-10 Front, 16-21 Rear
Weight: 1550-1600
Top Speed: 75-85
Cost New: $30,000-60,000
Cost Per Prep: $2,500-6,000
Basic Rules:
Suspension Components:
Front:
- Suspension is based on VW Type 1 ball join or link pin style
- Any manufacturer's beam of 2 steel torsion tubes may be used but must retain stock VW width.
- Front trailing arms may be reinforced or replaced but must retain stock length and width.
- Track width will be measured from wheel mounting serface to the opposite; maximum is 55 1/2".
Rear:
- Suspension is based on VW Type 1 (IRS) or swing axle
- Trailing arms may be replaced or reinforced as long as length is retained at +/- 1".
- Torsion tube may be replaced or reinforced and torsion adjusters may be installed; any manufacturer may be used.
- Trackwidth may not exceed 58 1/4'' and is measured wheel mounting face to the opposite site.
- Entire outer cv must remain inside of the trailing arm inner bearing; no midboard or out-board hubs allowed.
5-1600: Baja bugs limited to 1600cc type 1 motor and type 1 suspension parts. Must retain working doors, stock floor pan and baja bug fenders.
Aka: 5150 (BITD)
Horsepower: 85-90 (dual port)
Wheel Travel: 9-10 Front, 15-18.5 Rear
Weight: 1750-1900
Top Speed: 80-85
Cost New: $20,000-50,000
Cost Per Prep: $2,000-4,000
Basic Rules:
Suspension Components:
Front:
- Suspension is based on VW Type 1 ball join or link pin style
- Any manufacturer's beam of 2 steel torsion tubes may be used but must retain stock VW width.
- Front trailing arms may be reinforced or replaced but must retain stock length and width.
- Track width will be measured from wheel mounting serface to the opposite; maximum is 55 1/2".
Rear:
- Suspension is based on VW Type 1 (IRS) or swing axle
- Trailing arms may be replaced or reinforced as long as length is retained at +/- 1".
- Torsion tube may be replaced or reinforced and torsion adjusters may be installed; any manufacturer may be used.
- Trackwidth may not exceed 58 1/4'' and is measured wheel mounting face to the opposite site.
- Entire outer cv must remain inside of the trailing arm inner bearing; no midboard or out-board hubs allowed.
Class 9
Aka: Challenger
Horsepower: 72-76 (dual port)
Wheel Travel: 5.5 Front, 9.5 Rear
Weight: 1450-1600 Pounds
Top Speed: 80+
Cost New: $8,000-15,000
Cost Per Prep: $1,000-2,500
Basic Rules:
Engine and Drivetrain:
- Nearly stock type 1 1600cc engine is required. Case is open. Camshaft is open. Compression is limited to 7.5 to 1. Dual port heads are allowed.
- Transmission is limited to swing-axle. Stock 1st and 2nd gears must be retained. 3rd and 4th are open. R&P must be 4.12 or 4.37. Case is open.
Suspension:
- Stock type 1 suspension components must be used throughout. No modifications are allowed to stock parts except for the spindles. The may be reinforced and the speedometer hole filled. Must run ball-joint front end. Strengthening of beam is allowed by way of one tube attached at each shock tower. Must use stock front shock mounts.
- Rear shock mounts are open. Spring plates are open. Torsion adjusters are allowed.
- Maximum shock size is 2.5 inches. No external bypass allowed. No hydaulic bump stops allowed.
Other:
- Brakes must remain stock VW but type 3 and thing drums are allowed. Drilling is allowed. May use 4 or 5 lug.
- No aluminum wheels are allowed.
- No power steering allowed. Tie rods and tie rod ends/heim joints are open.
Class 11: Stock production VW bug with roll cage and upgraded shocks and tires.
Horsepower: 72-76
Wheel Travel: 5.5 Front, 5 Rear
Weight: 1950-2100 Pounds
Top Speed: 90
Cost New: Vehicle + $3,000-5,000
Cost Per Prep: $500-2,500
Basic Rules:
Suspension:
- Front axle tubes may be cut, rotated, re-welded to increase ground clearance or front torsion adjusters may be installed.
- Shock tower may be gusseted and supported but gussets may not extended more than 2'' above the torsion tube.
- Stock front spindles and trailing arms must be retained.
- Any rear suspension torsion bars, spring plates, and torsion bar adjusters may be used and installed.
- Rear torsion tube may be supported, only by that tube meeting a part o the roll-cage.
- Lower shock mounts on 1969 and older models may be shortened by no more than 1.5''. - Only one shock absorber per wheel is allowed. Cooling fins and resevoirs are allowed.
Engine and Drivetrain:
- Must be of VW Type 1, 1600cc components and dimensions.
- Cylinder heads must be single port.
- Stock carburetor must be used, with maximum venturi size of 24.10 mm.
- Must use stock fan shroud.
- Air cleaner may be of any manufacturer and any size; location is open.
- Transmission must be a stock Type 1, 4-speed bug.
