Great Lakes Vintage Grass Drag Championships Offical Rules
Saturday August 27th 2011
More Details coming soon.
Official Grass Drag Rules
Great Lakes Vintage Grass Drag Championships
General Safety Rules 1. Any person operating a snowmobile shall be wearing a helmet, tech vest, and eye protection 2. It is recommended that safety eye wear be worn in the staging and starting line areas. 3. Sleds should be cleaned out in the warm up area only with the tracks facing the boards. 4. Tethers have to be attached to the operator anytime the sled is running. 5. Safety stands will be required when warming engines in the warm up area. The stand should be well constructed, enclosing the rear portion of the track and support the sled a safe distance from the ground. 6. Safety stands will be used at the starting line when sled is leaving the starting line. 7. Driver must have feet on running boards or foot pegs for the entire duration of the race. 8. Moving a running sled on a stand will not be allowed. 9. Crew may only be in starting area when your sled is racing. 10. Chest protection and full length pants (no shorts) is required in all classes. 11. The race director or any tech personnel can disqualify any one that does not follow safety rules.
General Sled Requirements 1. Any sled moving to a class other than the class for which it qualifies must meet the criteria for that class. 2. A variable ratio belt driven transmission must propel all sleds. 3. Limiter straps are encouraged in all vintage classes. 4. All mod sleds must be equipped with stab wheels on the front of the slide rails to prevent rails from piercing track. 5. No Studder boxes/Studder buttons allowed ON SNOWMOBILE’S AT ALL. 6. All tethers cords shall be attached to the driver’s wrist and not be any longer than 36 inches long when fully extended. 7. OEM cleated tracks will be allowed in stock classes. No cleated tracks will be allowed in the mod classes. All open holes must be filled with a legal fastener. No grinding or welding will be allowed on cleats. All tracks will be inspected! 8. Tracks cannot be shaved. 9. Studs may not protrude more than ¾ of an inch above the highest point of the track lug or the highest point of the cleat. 10. On one-piece rubber molded tracks: except for under slide rails, all plates will be no greater than 2 ¼ inches in length and width. Plates under slide rails may be no longer than 3 ¼ inch and no wider than 1 ¼ inch. 11. No alcohol or nitro-blend fuels allowed. 12. If a rule, modification, upgrade, etc, is not specifically stated it should be assumed that the change is NOT ALLOWED.
Protest Fees and Procedures 1. All protests are subject to a $100 (cash) protest fee. 2. Race officials must deem the protest valid prior to accepting the protest fee. 3. Protester must specify the protest. 4. No protesting races finish order or rulings by any race Official. 5. If protest is found to be valid, the protester fee will be returned. 6. No protest will be accepted after 15 minutes of the completion of the class 7. Invalid protest, protester will forfeit fee and 50% will go to protested entrant and 50% to BEVRA. 8. Any racer/sled owner caught cheating will be banished from racing for 2 calendar years, Including oval seasons. BEVRA RESERVES THE RIGHT TO TECH ANY SLED AT ANY TIME DURING EVENT! 9. NO DRIVER SUBSTITUTION. Once a driver registers a sled to race in a given class, only that driver/sled will be allowed to compete in that class.
Membership 1. All participants competing must be a BEVRA member in good standing. 2. Daily memberships will available for $20.00 for non members.
Age Requirements
Jr. Novice 8-14 years old. Stock classes. 15 years on up. Mod Classes and Cup 18 years old.
Vintage Class Rules and Guidelines
Vintage Stock
Jr. Class - 0-340cc Fan and F/A Fan Stock Single 0-400cc Fan Stock - 0-340cc, 0-440cc, Open F/A Stock - 0-340cc, 0-440cc, Open L/C Stock - O-340cc, 0-440cc, Open
Stock Sled Requirements 1. Sled must 1985 or older. Stock IFS race in respective CC class. 2. Sled must pass safety/tech inspection prior to racing 2. Cleated tracks will be allowed, but must be in good physical condition and cleats fully fastened (no open holes). NO CRACKED CLEATS/ RIVETS WILL BE TOLERATED!!
Carburetion 1. Must use OEM number of carburetors and components. 2. Air box may be removed.
Engine 1. Must have been an option for the make and model of sled, Internal modifications allowed. 2. OEM or aftermarket pistons are allowed. 3. Cylinder overbores will be as follows.
Class Maximum CC 340cc = 358cc 400cc = 420cc 440cc = 464cc 500cc = 525cc 650cc = 680cc 800cc = 836cc
4. Oil injection pump may be removed. 5. The complete OEM for the brand exhaust must be used. 6. Original means of cooling must be intact and functional. Quick disconnects are the only modification allowed.
Drive
1. Any production primary clutch may be used. No billet special builds allowed. 2. Must have OEM for the brand secondary clutches. NO ROLLER SECONDARY’S ALLOWED!!! 2. Clutch and chain guards must be intact. Guards improved for structural integrity will be allowed and are encouraged. 3. Material substitution or lightening of any drive component is not allowed. 4. Brakes must be functional.
Skis 1. Skis must be OEM or aftermarket replacement. Northstar ski ok with a 20 in. min leaf spring, but NO Wahl drag ski etc. allowed in stock.
Track and Suspension 1. Only the OEM suspension will be allowed (front and rear) and must utilize stock mounting locations. Exceptions will be on case by case basis for cleated track to rubber track conversions, conversions must utilize all stock components. 2. No aftermarket lightweight race tracks. Any OEM track is allowed. Tracks may not be cut, trimmed or shaved. NO “R” TRACKS 3. Maximum of 6 studs/picks per cleat or track section. 4. No slide lube allowed. 5. Additional idler wheels may be added. 6. Must have attached snow flap; flap must touch ground with driver on sled.
Frame and Body 1. OEM Chassi No alterations, material substitutions, lightening, or additions to OEM frame, or body allowed. Steering post and handlebars must be OEM. 2. Tunnels can not be altered dimensionally. Material substitutions, lightening or additions to the OEM tunnel are not allowed. 3. Reasonable alterations(ex: adding/removing vents) to hood to allow for cooling allowed, hood must retain stock appearance, hood insulation may be removed. 4. Windshield may be removed or trimmed.
Electrical 1. Headlight may be removed. 2. Must use the stock production ignition. A Hewtech replacement is allowed such as Fireplug CDI
Vintage Modified
F/C MOD Single 0-400cc F/A MOD- 0-340cc, 0-440cc, 0-650cc, Open L/C MOD - 0-340cc, 0-440cc, 0-650cc, Open Adema/Koomen Memorial Cup 440cc FA full bodied leaf spring Mod.
Mod Sled Requirements
1. Sled must be 1985 model or older. IFS sleds race in respective CC class except in the Adema/Koomen Memorial Cup, which is leaf spring only. 2. Sled must pass safety/tech inspection prior to racing 3. Clutch covers for Mod Stock be separate of cowl configuration and cover clutches down to center of clutch bolt or below. Material should be .090 inch 6061 T6 aluminum or better and the outer perimeter be covered with 6 inch belting. If .125 aluminum is used, belting is recommended but not required.
Carburetion 1. Must use OEM number of carbs and components. 2. Use of nitrous, turbo chargers and superchargers are not allowed.
Engines 1. Engine Must be an option for that brand. 2. Engine modifications allowed, but outward appearance must remain stock, induction concept must remain stock for that model. 3. NOTE: FOR ADEMA CUP ONLY MOTOR MUST MATCH CHASSIS EX: FREEAIR CHASSIS MUST HAVE FREE AIR MOTOR. 4. Any exhaust is allowed.
Class Maximum CC 340cc = 358cc 400cc = 420cc 440cc = 464cc 500cc = 525cc 650cc = 680cc 800cc = 836cc
5. ALL ENGINES MUST HAVE STOCK LENGTH STROKE
Drive 1. Any primary or secondary clutch is allowed. 2. Must have full metal clutch guard and covered chain. 3. Brake must be functional.
Skis 1. Any OEM/aftermarket metal ski at least 20 inches in length is allowed.
Track and Suspension 1. Any suspension and track combination allowed. 2. No slide lube allowed. 3. Additional idler wheels may be added. 4. Must have attached snow flap that touches ground with driver on sled.
Frame and Body 1. Tunnels must be factory originated with a serial number and match the manufacturers installed tunnel for that make and model (no hand built chassis). Material substitutions, lightening or additions to the OEM tunnel are allowed as long as structural integrity and safety are not compromised. 2. Sled must resemble the original make and model of the machine. 3. Belly pans may not be removed and must have stock appearance. 3. Reasonable alterations to hood to facilitate cooling are allowed. 4. Measures taken to strengthen these components are allowed. 5. Hood insulation may be removed. 6. Windshield may be removed or trimmed. 7. Headlight may be removed.
Electrical 1. Programmable Ignitions Allowed.
Vintage Open Modified
F/A MOD- 0-340cc, 0-440cc, 0-650cc, Open L/C MOD - 0-340cc, 0-440cc, 0-650cc, Open
Open-Mod Sled Requirements 1. Sled must pass safety inspection prior to racing 2. Clutch covers for Open Mod must have full facial coverage and 360 degree elliptical coverage in the direction of the clutch or belt travel. Cover must be .090-inch 6061T6 aluminum or better and be covered with 6inch belting. If cover fastens to the belly pan, the area bellow clutches must be covered with .090 inch 6061T6 aluminum or better. If cover is .125 inches thick, belting is not required. Engine 1. Any 1990 or older snowmobile engine allowed. 2. No billet or aftermarket engine components allowed other than pistons. 3. Any external modifications allowed to original cases to allow the following induction systems: Reed Cages, Rotary Valve, Piston Port.
Carburetion 1. Flat slide and aftermarket carburetors allowed. 2. Use of nitrous, turbo chargers and superchargers are not allowed.
Drive 1. Any primary or secondary clutch is allowed. 2. Must have full metal clutch guard and covered chain. 3. Brake must be functional.
Skis 1. Any metal ski at least 20 inches in length is allowed.
Track and Suspension 1. Any track and suspension combination allowed. 2. No slide lube allowed. 3. Must have attached snow flap that touches the ground with driver on sled.
Frame and Body 1. Sled must be vintage in appearance. 2. Any chassis will be allowed but must pass safety inspection. 3. Front suspension must have minimum of 1” of travel, cannot be of IFS configuration unless Factory Production ’82 and older
Make your
own website
