TROYER SPORTSMAN
D.1 Sportsman will be adopting any 2008 DIRT Rule Changes...(EXCEPT MOTORS)
Official DIRTcar Rules Bulletin
EFFECTIVE: June 4, 2008
The following are rule changes or interpretations of rules pursuant to the 2008-2009 DIRTcar rulebook. This announcement is official and effective as of the date listed above.
Pro Stock:
Regarding Pro Stock Quick Change rear ends, the 2008-2009 rulebook states under 9.22.8 the following:
9.22.8 QUICK CHANGE OPTIONS
Option A: WINTERS spec quick-change rear will be optional. It has steel tubes, steel
spool, hubs, rotors, and solid axles as a complete assembly. It also has the close 5 bolt pattern to fit the existing wheels. The part # is DIRT 5063.
Option B: Any steel tube quick change eight web side bells with steel tube sportsman
rear with close 5 bolt pattern to fit the existing wheels. No V-8 Midget style rears.
The use of the V-8 Midget Rear end will be permitted in GM Crate Engine powered Pro Stock cars ONLY for the remainder of the 2008 season. However, it will be prohibited beginning with the 2009 racing season.
Pro Stock, Sportsman and 358-Modified:
Regarding Holley 4150 HP carburetor rules in sections 7.10.3, 8.2.4 and 9.48.4, the rules state the following:
1. Carburetor must remain "Box Stock", but may be adjusted using only Holley replacement parts.
2. Adjustments allowed include: Jets, Bleeds, Needle and Seat,
Emulsion Bleeds, Power Valves, Accelerator Pump Nozzles and Accelerator Pump Cams.
3. Physical alterations of carburetor parts (Boosters, Throttle Plates,
Throttle Body, Shafts, Metering Blocks, etc.), or alterations by
machining or reshaping are not permitted. The use of epoxy or coatings of any kind is strictly prohibited.
Modifications to all DIRTcar legal carburetors (HP 80541-1, 80777, 4777, and 4412) that are not externally visible are permitted.
Pro Stock and Sportsman:
Regarding air cleaners on DIRTcar approved GM Crate Engines, the following rule was
mistakenly omitted from the 2008-2009 DIRTcar rulebook. Under the carburetion sections
8.2 and 9.47, the following language should be added and is in effect:
• Conventional round type air cleaners only. No ram air, air box or heat shield.
•
Air cleaners that provide ventilation through the top cover (such as the K & N brand) are permitted.•
No air induction plastic carburetor inserts or other devices to direct air into intake are permitted
•
No air diffusers are permitted.
Any questions on either of the above should be directed to
Bob Dini at (845) 358-5049 or
Cory Reed at (315) 834-6606
GO TO DOWNLOAD....
PICK 2008 DIRT RULES
D.2 DIRT HAS ALLOWED GENESEE SPEEDWAY TO FREEZE THE 2007 ENGINE RULES FOR 2008.
D.3 TRANSPONDERS MANDATORY
D.4 SAFETY: *** NEEDED BY YOUR FIRST PRACTICE OR RACE.
NO MOTORCYCLE HELMETS
*** ALL DRIVERS MUST WEAR A PROPER FITTING SA2000 OR NEWER SNELL APPROVED FULL FACE HELMET.
Snell sticker must be attached and readable.
*** CLEAN SFI FULL DRIVERS SUIT, QUILTED OR WITH UNDERWEAR, HEAD SOCKS, GLOVES, FOOT SOCKS, NECK BRACE AND SHOES TO SFI SPECIFICATION 3.2A AND 3.3A/5 (FIRE RATED UNDERWEAR MANDATORY IF SINGLE LAYER FIRE SUIT IS WORN). SFI labels must be attached to drivers suit.
Helmet must be worn at all times when driver is in vehicle.
*** NECK BRACE MANDATORY.
NOTE: ANYONE RACING IN THE SPORTSMAN OR PRO STOCK CLASSES WITHOUT A DIRT LICENSE WILL BE CHARGED $25.00 PER RACE. WE MUST COLLECT THAT MONEY FROM YOUR WINNINGS THAT NIGHT.....AND MAIL IT TO DIRT.