| 6500lb PRO STREET 1. Maximum weight 6200lbs 2. Maximum wheelbase: 133"; except any regular cab light duty truck with OEM wheelbase 3. Maximum drive-train: 1 ton 4. Vehicle body shall appear stock. After market body panels allowed. Forward tilt front clip allowed. No "funny car: style one piece tilt body. Vehicle shall have complete fire wall. 5. Vehicle shall have OEM frame. 6. Front weight brackets allowed. Maximum: 60" forward of the front axle centerline. 7. Rockwell 106 rear end Allowed 8. Engine shall be in stock location or rear of engine block no less than 14" rearward of front axle centerline. 9. Tires shall be DOT approved. No alterations. No dual wheels. No chains or studs. No bar tires. 10. Maximum tire size not to exceed 33" x 12.50" or 33" Tread to Tread measurement. HITCH 11. Maximum hitch height: 26" 12. Maximum hitch length: 36% of vehicle wheelbase (i.e. 133" WB x 36%=47.88" from rear axle centerline to hook pt.) 13. Hitch shall have a minimum 3" diameter opening to accept the sled chain hook. 14. Hitch shall have a maximum 1.5" of material beyond the hook point. 15. Hitch shall be rigid in all directions. 16. No part of the vehicle or hitch shall interfere with the sled chain or hook. 17. Hitch area shall be free of all obstructions for a minimum 6" wide by 12" immediately above hook point. ENGINE 18. Maximum cubic inch displacement is 470 CID with a 1% tolerance. 19. Engine shall be equipped with any cast iron engine block. 20. Engine shall be equipped with any cast iron cylinder heads retaining OEM intake port location and bolt pattern. Aluminum cylinder heads with OEM pattern. d. Engine 410 CID or less allowed any cylinder heads. 21. Engine shall be equipped with a single carburetor or stock style fuel injection. 22. NO after market forced air induction (i.e. turbo-charger, blower, centrifugal supercharger). 23. NO tunnel-ram intake. No sheet metal intake. 24. Open headers allowed. Verticle Headers required for vehicles burning alcohol. 25. NO nitromethane, propylene, or nitrous oxide. SAFETY 26. Vehicle shall meet all general safety rules. 27. REQUIRED: Fire extinguisher in the vehicle. 28. REQUIRED: Kill switch. 29. REQUIRED: U joint and drive shaft shielding. 30. REQUIRED: A SFI certified steel bell housing around flywheel and clutch. NO cast bell housing. 31. REQUIRED: A SFI certified scatter blanket or shielding around torque converter and transmission. 32. REQUIRED: A SFI certified steel flywheel and clutch. 33. REQUIRED: A SFI certified harmonic balancer or 360 degree shrouding of balancer with 1/4" steel. f. REQUIRED for and vehicle with engine exceeding 6500 RPM. 34. RECOMMENDED: a fire suit, leather boots, leather gloves, and helmet (full face). 35. Vehicle from another association or new competitor competing in Pro Street is allowed a one event grace and shall adhere to all safety rules before second event with IFPA. |