Bradenton Motorsports Park
 Class Rules
 10.5 TIRE
 
General Class Rules - 10.5 Tire (Heads Up)
1.
 Stock style and general shape car bodies.
2.
 Must have mufflers.
3.
 Must have working headlights & taillights.
4.
 Must have diaper.
5.
 Slicks limited to 33 x 10.5 designation on tire.
6.
 18.5 DOT tire
7.
 Firewall must be in stock location.
8.
  Must retain stock wheelbase
9.
 All IHRA Safety Rules Apply.
.
  
   
   
 
Car & Driver Weights - Small Block
1. Naturaly aspirated. 2150 lbs
2. Nitrous. 2200 lbs
3. Turbo- single. 2600 lbs
4. Twins- up to 94mm
Twins- larger than 94mm		 2800 lbs
2900 lbs
5. Centrifugal Supercharger and Roots 2600 lbs
6. Twin Centrifugal Superchargers 2800 lbs
   
Car & Driver Weights - Big Block
1. Naturally aspirated. 2500 lbs
2. Nitrous.
Nitrous- 4.840 & 4.90 Bore center (632’s) 		2700 lbs
2600 lbs
3. Turbo- Single 2700 lbs
4.

Twins - up to 94mm
Twins - larger than 94mm
Centrifugal Supercharger and Roots
Twin Centrifugal Superchargers

Max bore spacing on all forces induction applications is 5” and Max cubic inch on all forced induction combos is 700 cid. Any forced induction at 5.300" bore spacing, add 100 lbs.
Max turbo size 108mm on 5" bore spacing. Max turbo size 94mm on 5.300" bore spacing.

3000 lbs
3100 lbs
2800 lbs
3200 lbs
 

Screw superchargers:
"D" rotor 3000 lbs. Max O.D.125%
“C” rotor 3100 lbs. Max O.D. 125%

Deduct 50 lbs. for smaller than 530cid.

  Supercharger restraint system meeting SFI 14.1 mandatory on roots-type supercharger. Screw-type
supercharger must meet SFI Spec 34.1 and be re-inspected by the manufacturer every three years.
For screw-type superchargers, manifold burst panel meeting SFI Spec 23.1 (in addition to panel in supercharger)
Plus restraint system meeting SFI Spec 14.21 Mandatory. Supercharger drive must be belt, NHRA-accepted chain
driver or NHRA-accepted gear drive. Supercharger restraint straps must be covered with a fire-resistant material.
The supercharger restraint straps and fuel lines must be installed such that when the restraint straps are fully
extended, no load is placed on any of the fuel lines, See General Regulations 1.10
     
Car & Driver Weights - 4 Cylinder or Rotary
1. Turbo or nitrous. 2200 lbs
   
Car & Driver Weights - V6 Powered / inline
1. Nitrous. 2200 lbs
2. Turbo. 2300 lbs
   
  11/14/11