Grand Touring (GT) Specific Car Regulations 2013 ... - Grand Am
Grand Touring (GT) Specific Car Regulations 2013 ... - Grand Am
Grand Touring (GT) Specific Car Regulations 2013 ... - Grand Am
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<strong>Grand</strong> <strong>Touring</strong> (<strong>GT</strong>) <strong>Specific</strong> <strong>Car</strong> <strong>Regulations</strong> <strong>2013</strong><br />
Mazda RX8 (Prep 2)<br />
Weight: Minimum weight 2260 lbs or 2350 lbs with DP transaxle.<br />
Tire size: 285/645R18 front 305/660R18 rear.<br />
Maximum fuel capacity 19.5 gallons.<br />
20B Cosmo three rotor (Mazda Spec parts).<br />
2.0 liter, 9.7 compression ratio, 3-52mm throttle bodies, maximum of 6 injectors, maximum fuel pressure 4.2 bar, free.<br />
Maximum RPM 8900. Call GRAND-AM for parts list at386-310-6500.<br />
Six-speed transmission.<br />
Maximum body width is 73.5 inches.<br />
Engine set-back 5.125 inches from spindle centerline to 1 st spark plug.<br />
Complete rear wing height w/ end plates cannot exceed roof height.<br />
Fuel rig must be fitted with a Green .970 inch restrictor used to connect the clear 1.5-inch ID fuel hose to the clear 2 ¼<br />
inch ID hose on the dry break fueling probe.<br />
<strong>Car</strong> must have 2 ½ inches minimum ground clearance.<br />
Approved Modifications:<br />
Intake manifold is Free<br />
May use oil in fuel<br />
Allowed larger/higher exhaust position.<br />
2009 Mazda RX-8 “R3” bodywork permitted with 3” maximum front splitter dimension.<br />
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