Originally Posted by
tonylunatic
Ok Doug,
My group and I need 100% confirmation that we are racing under the set Pan American rules, NOT THE NEW ROAR RULES.
I think you know were we stand on the subject, but need to know weather or not to attend.
Thank you
We will be using the Pan American International 1/8 GT Grand Prix Rules that were published on this thread and the Homestead RC Raceway facebook page a few weeks ago.
Just so everyone is very clear on the rules for this race, we will post them once again.
Pan American Int’l 1/8 GT Grand Prix Rules
Homestead RC Raceway
January 17, 18, 19, 2014
CATEGORY GT 1/8 Pro:
1. - GENERAL
Participation in this category is for eighth and seventh scale with shaft drive transmission, with a front and rear geared differential that is manufactured or a conversion based on an off road buggy platform. Belt drive transmission models may not participate in this category.
1.1-Overall Dimensions:
Maximum length (includes Body): 730mm.
Wheelbase: From 270mm to 361mm.
Width to outside of wheels: 310mm.
Maximum height: 300mm measured from the floor (with the suspension fully
compressed) to the highest point (excluding the receiving antenna of the radio).
Minimum weight: 3500grs. (Including battery and transponder, without fuel)
1.2-It is the responsibility of the drivers to make sure the car is
within specified regulations throughout the race event. The race organization can check any car for compliance with the rules at any time during the event.
1.3-If a car exceeds the limits of dimensions after a race, the driver may be disqualified for that race.
2.-Body:
2.1-The body must be a closed body, commercially available type GT or Sedan. (An exception is allowed Ipanema body used in the
Championship 2010)
2.2-The body must be cut on the manufacturer's trim line.
2.3-Front side windows may be cut out. (If sedan, ie
4-door only will be able to cut only the front side windows)
2.4-A circular hole (constant radius) not greater in
100mm diameter may be cut, between the front windshield and roof for fuel tank opening.
2.5-Rear windshield may be totally cut out.
2.6-A circular hole not greater than 35mm may be cut for glow plug access.
2.7-A circular hole not greater than 10mm may be cut for antenna exit.
2.8-Rear wing must be attached to the body and not the
chassis.
2.8.1- Rear wing cannot be higher than highest point of roof line.
2.9-No other parts may be added to the body to give cooling, aerodynamic or change the original dimension of the body.
2.10-The cylinder head will not protrude from the body.
2.11-Car tires must not protrude from the body as seen from above
3.-Chassis:
3.1-Kick up or flat chassis allowed.
4.- Engine:
4.1-.21 ci engine (3.5cc) to .28 ci (4.6cc) allowed.
4.2-Engine must be single-cylinder, two stroke,
normally aspirated, air-cooled, with glow plug ignition,
using Standard or Turbo (conical) glow plugs.
4.3-Not allowed forced extraction systems, liquid cooling or carburetor pressurization systems (other
than via the exhaust pressure applied directly to
the tank of the vehicle).
4.4-Any carburetor can be used.
4.5-Except for bearings, the use of ceramic material for
any part of the engine is not allowed.
4.6.-Induction Noise Silencer Box (INS Box) required.
5.- Transmission:
5.1 A maximum of 2 speed transmission may be used.
6.- Electronics not allowed:
6.1-D-Box or Drift Box not allowed.
6.2-Electronic gyroscopes not allowed.
6.3-Active telemetry use during race not allowed.
7.-Brakes:
7.1-Brakes must be on the axis of the transmission.
8.-Differential:
8.1-Standard type of crown and satellites only.
8.2-Central-type differential, Thorsen, TCD and One Way in either are not allowed on either axis.
9.-Clutches:
9.1-Centrifugal clutches using 2, 3, 4, shoes only.
9.2-Coaxial, Push type (Centax) clutches are not allowed.
10. - Fuel Tank:
10.1-Maximum fuel tank capacity including filter and hoses is 150cc.
11. - Muffler Pipe and Manifold:
11.1-A muffler pipe and manifold is required at all times
11.2-Any 2 chamber or more muffler pipe and manifold to .21 or .28 engines will be allowed.
12. -Tires and Rims:
12.1-Only the use of rubber tires and rims that have been manufactured specifically for GT and or Rally Game 1/8 or 1/7 can be used.
12.2-Rubber tires only, both natural and synthetic.
It is expressly forbidden to use foam tires.
12.3-All tires must be black with the exception of
sidewall letters, which can be colored.
12.4-The maximum width of the tire and rim is 45 mm.
12.5-The minimum diameter of the rim is 75mm the maximum is 85mm.
12.6-The minimum diameter of the rim and tire assembly is 85mm the maximum is 110mm.
13. - Fuel:
13.1-Nitro, oil and methanol percentage is open.
13.2-The following additives are strictly prohibited: Hydrazine
(8N2H4), Hydrogen Peroxide, Toluene Propylene Oxide.
CATEGORY GT 1/8 SPORTSMAN:
14.-The GT 1/8 Sportsman Spec Class will follow all General Pro Rules with the following added requirements.
15.- Carburetor Sportsman Spec Class
15.1-Any open engine with a maximum carburetor opening of 7 mm. Restrictor may be used to reduce opening to 7 mm.
15.2-Any engines as found in ready to run cars with functional pull start or roto start can be used without 7 mm carburetor opening restriction.
16.- Driver Eligibility Sportsman Class
16.1-Pro Drivers are not allowed. Pro drivers are defined as drivers that have finished 1st, 2nd or 3rd at any large open GT race or who are fully sponsored.
17.-Spec Tire Sportsman Class
17.1- The race organizer has the option to designate a spec tire.
17.2- The race organizer has the option to designate the number of sets of spec tires that may be used for the race event.