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ZIMMER AUTOGROUP’S TRI-CITY STREET STOCK SERIES
Brought to you in part by: LORDCO AUTOPARTS and FINISHLINE RACING PRODUCTS
We welcome back series sponsor, ZIMMER AUTOGROUP for their 3rd season as our title sponsor and thank them for their commitment of $5000 towards the point’s fund. We are thrilled that LORDCO AUTOPARTS has agreed to stay on as our secondary sponsor kicking in $3000. FINISHLINE RACING PRODUCTS has also renewed their commitment to the series by continuing with their contingency sponsorship of $2000. In other exciting news, we are extremely pleased to announce that WFO CONTRACTING has offered to become our new fast time sponsor, kicking in $100 per race event. Tri-Cities offers its extreme gratitude and thanks to BENTLEY MOTORSPORTS for originating and sponsoring this award for the past 4 seasons. In addition to their fast time sponsorship WFO CONTRACTING has also offered to sponsor a “LUCKY DOG” award at each race date. All drivers who finish outside of the top 5 in each main event will be entered in a random draw and the car number pulled from the draw will receive an additional $100 cash. We thank WFO CONTRACTING for this new commitment totaling $600 for the 2019 season. Each club has agreed to contribute $1450 towards the points fund, with an additional $100 each for trophies for the top 5 in points. Drivers planning on competing in this series will be responsible for filling out a 2019 Tri-City Registration form at or before Race # 1 in Williams Lake. Transponders and RACE-ceiver radios will be used at all 3 races and can be rented or purchased from Lynn Dunford @ TMS. ALL moneys raised will go towards advertising and the points fund; financial records available upon request.
* All cars entered must comply with the below mentioned set of Core running rules and bring a Hardcopy of their Club’s Rule Book as well. * We strongly encourage all participants to use some sort of Head/Neck restraint system. (Hans Device or Similar)
* Tri-City Race Officials reserve the right to run qualifier races or B mains in cases of extremely large car counts. Officials also reserve the right to move slower or off paced cars to the rear of the main event starting line-up. Tri-City Executives will determine rookie status’ which may effect their main event starting positions. The A Main Event will be capped at 26 cars.
* There will be a $50 dollar registration fee to compete in the series. Once drivers have registered then they will be eligible for all championship points earned and pay-outs, no matter how many races they attend. * All cars will have to run a decal package and will be told where decals need to be placed.
2019 ZIMMER AUTOGROUP Tri-City Running Rules and Agreement
* With exceptional racing and positive feedback from racers and fans we are excited to keep our race format the same. However, new for the 2019 season 4 new tires will be allowed at race #1 only. For each of the remaining races, 2 new tires per race date will be allowed. Tires will be stamped by the tech officials and must be visible on all tires at each race date. Also, we are thrilled to introduce “CONE” restarts. The Group Qualifying format will remain the same. After all cars have gone through pre-qualifying technical inspection they will then pre-stage and be directed out onto the track in groups of no more than 6. A specific time period will be given and your best lap in your group will be your qualifying time. Qualifying times and points awarded will remain the same. The top 4 even numbered qualifying positions will start at the back of the A Qualifier race. The top 4 odd numbered qualifying positions will start at the back of the B Qualifier race. All other starting positions will be filled by means of a random draw. These qualifier races lap amounts will be determined by car count. They will also determine starting positions for the main event. There will be no points awarded for the qualifier races. The finishing order of the qualifying races will be inverted to set the field for the main event.
* Any car that comes into the pits, no matter the reason under caution will automatically go the rear of the field. Any cars involved in a crash/caution must also go to the rear of the field.
* All restarts after cautions will be referred to the last completed lap and lapped cars will not be mixed in with lead lap cars.
2019 Tri-City Core Running Rules
1. Weight will be a minimum 3200 lbs. including driver, coming off the track after the main event. No Allowances for Fuel Loss. Left weight rule is 55% with driver belted in 47% rear maximum. *Weight rule is enforced ALL Day.
2. Tri-City cars will run on either the Hoosier 970 series tire, or the American Racer P265 street stock tire. 4 new tires will be allowed at race #1 only. For each of the remaining races, 2 new tires per race date will be allowed. Tires will be stamped by the tech officials and must be visible on all tires at each race date. Only used tires will be allowed in cases of flat or damaged tires. No mixing of tires will be allowed; all 4 tires must be of the same manufacturer and compound.
3. Motors will have a Rochester 2 barrel Carburetor for all manufacturers on a stock 2 barrel cast iron intake manifold.
*Spec. Headers are allowed; SCHOENFELD ONLY:
SCH-185 72-87 MALIBU/MONTE/GP/CUTLASS/REGAL/70-81 CAMARO
SCH-185M SAME AS 185, BUT FITS STOCK MANUAL CLUTCH LINKAGE
SCH-165 70-81 CAMARO/75-79 NOVA/64-77 CHEVELLE/72-77 MONTE
SCH-115 67-69 CAMARO/68-74 CHEVY2-NOVA
* 1.625" PRIMARIES, 3.0" COLLECTOR. One tube on the right side can be altered to clear upper A-arm.
2019 Tri-City Core Running Rules (Continued)
4. Crate motors will be allowed but must follow the specific rules listed below.
5. Minimum 6-inch ground clearance to bottom of frame rail. Camaro’s measured at the door sill. Secondary point of reference of 4” where the sub-frame would meet the floor.
6. Cars must register at the WL race date and pay the $50 registration fee to be eligible for championship points.
7. All other rules will be as per each driver’s club membership’s rule book, which they must be able to produce at the discretion of the tech man. No club = No racing. Mystery Tech. Envelopes will be used after the main events.
TRI-CITY STREET STOCK CAR CRATE MOTOR RULES
UPDATED 2019
The GM 602 part #88958602 steel headed crate motor is the only crate motor allowed.
• The following components must be used on the crate motor: -Holley 01-80541-1 650 cfm crate motor carburetor.
• Restrictor plate must be run and can be purchased from Alien Race Cars. Promoter may at any time swap plates among competitors or simply replace competitors’ plate with another of the same size. After extensive R&D this offseason, including Dyno Time Tri-Cities is announcing that new for the 2019 season on a trial basis; crate motors will be allowed to open the bore diameter of their restrictor plate holes to a measurement of 1.2345”. It will be each competitor’s responsibility to undergo the machining process. A go/no go bore teching tool will be used at each race to ensure compliance. This rule is strictly only for the 3 Tri-City Series Races.
• Schoenfeld 185 headers. One tube on the right side can be altered to clear upper A arm.
• GM part # 14088765 counter balanced flex plate
• MSD 8728 sealed rev limiter with 5500 RPM chip and sold by Finshline Racing Products.
- Distributor that comes with motor must be used or stock appearing replacement. NO racing distributors, super coils, racing modules or computerized ignition allowed. Modules without factory branding or factory decals will be deemed illegal. Vacuum advance may be disabled or removed.
- Must use stock GM Performance crate motor valve springs part #10212811. This is the only part of this motor that can be changed.
- 3 inch dual exhaust pipes. Each side must be separate with NO “X” or “H” pipes. Any muffler may be used but must be 3 inch in and 3 inch out.
- Crate motor or induction system cannot be altered in any way. Seals cannot be broken. If the motor is tampered with in anyway, the driver will be suspended.
TRI-CITIES SCORING
TIME TRIAL POINTS:
Number of cars will determine the total number of points for qualifying. The fastest qualifier will receive the same number of points as there are cars. Others will receive one point diminishing as per qualifying time.
QUALIFIER RACES:
The top 4 even numbered qualifying positions will start at the back of the A Qualifier race. The top 4 odd numbered qualifying positions will start at the back of the B Qualifier race. All other starting positions will be filled by means of a random draw. These qualifier races lap amounts will be determined by car count. They will also determine starting positions for the main event. There will be no points awarded for the qualifier races. The finishing order of the qualifying races will be inverted to set the field for the main event.
MAINS:
1st – 10 points + passing points
2nd – 9 points + passing points
3rd – 8 points + passing points
4th – 7 points + passing points
5th – 6 points + passing points
6th – 5 points + passing points
7th – 4 points + passing points
8th – 3 points + passing points
9th – 2 points + passing points
10th – 1 point + passing points
All other cars will receive 1 point for starting and 1 point for finishing + passing points.
