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Thread: Maxxis Winter Nationals - Cherokee Speedway Gaffney, SC

  1. #1
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    Maxxis Winter Nationals - Cherokee Speedway Gaffney, SC

    Kart Racing Returns To Cherokee Speedway Gaffney, SC Saturday January 20th with The "Maxxis Winter Nationals"

    Cherokee Speedway will host Kart racing on Saturday January 20th with the "Maxxis Winter Nationals".
    All gates will open at 9:00am with practice beginning at 11:00am and racing to follow.

    The race program will include:

    Clone Heavy ($1,000 To Win)
    Champ Heavy ($500 To Win)
    Clone 425 ($500 To Win)

    Clone Med
    Clone Light
    Clone 450
    Charger 375
    Pred 375
    Pred 350
    Pred 425
    Champ Light
    Charger 350
    JR 1
    JR2
    JR3

    For Tech Information and rules please click the following link: http://cherokeespeedwaysc.com/Rules/winternationals.pdf

  2. #2
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    What's payout for med and lite tks..

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    What's payout for med and lite tks.
    -
    just posting info....check with Goob Waddell via facebook, his track page via sugartit speedway, or call/txt 864-415-8322

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    Money classes are highlighted. The rest are 100% payback

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    Extended forecast for the Maxxis Winter Nationals on Saturday January 20, 2018 is looking good.

    Party cloudy, high of 55, low of 36

    Make your plans NOW to be there

  6. #6
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    Where can I find the actual predator engine rules at? Thanks.

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    Looking forward to this race..

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    Quote Originally Posted by c7r7m View Post
    Where can I find the actual predator engine rules at? Thanks.
    There's a link in the original post

  9. #9
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    Quote Originally Posted by jclewis View Post
    There's a link in the original post
    The actual rules for spg are in predator stickys.
    The track rules for the predator must be on the track website.
    The link doesn't give them just race rules for this event.

  10. #10
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    SPG Predator Rules - ENTRY FEE: Entry fee should not exceed $10 per class excluding fees for points, insurance and transponders. No money races, bonus money, or contingencies allowed. However awarding of free class specific merchandise to participants is allowed. Such as free gate passes, tires, or racing equipment/supplies.

    CHASSIS: Any racing type chassis that meets basic safety standards is eligible for competition. It shall be the tracks discretion in determining the suitability of any chassis for competition in the class.

    TIRES: Maxxis EL only (no recaps).

    FUEL: Track spec gasoline (87 octane ethanol/gasoline mix).

    CLUTCH/GEARING: Clutch is open ... #35 chains only.... no skip tooth, partial tooth or altered tooth gears or clutch drivers allowed. Must run track specified gear rule:

    Predator 350 17 Clutch / 56 Rear Axle
    Predator 375 17 Clutch / 58 Rear Axle
    Predator 425 17 Clutch / 60 Rear Axle

    ENGINE: Predator 212cc engines (model 60363 or 69730 only). Some rules and specifications are specific to each engine model. There will be no exchange or mixing of parts between different model engines, with the exception that all engines models can utilize the .615" venturi carburetor.

    CARBURETOR: Any stock Predator/Clone type carburetor with integral fuel shut off valve, allowed (No Honda carbs allowed). No interchange of parts between carburetor models allowed. Carburetor to intake sealer is gasket only no other sealer allowed. Choke must be as supplied from factory, but may be fixed to stay in open position. Choke area must remain as cast. Venturi .615" NO-GO. Venturi maybe machined to spec. No polishing of venturi permitted. Venturi must retain defined edges as stock... no radiusing/rounding /chamfering of edges allowed. ... Rear throttle bore .751" NO-GO. No polishing or alteration of throttle bore allowed. Main and low speed jet size is Non Tech. Stock emulsion tube must be used and unaltered, .066" max ID (.066" NO-GO ... cannot enter from either end of tube). Side holes in emulsion tube .036" NO-GO. 2 or 4 holes in bottom section and 20 holes in top section. Minimum emulsion tube length 1.092". Throttle shaft - .115" minimum (.112 minimum on SP carb only). Butterfly - .037" minimum. No alterations allowed to throttle shaft/butterfly/screw assembly. Air may only enter the engine through the air box. Only one carb and intake gasket allowed. Black Phenolic spacer must be flat across entire gasket mating surface with a minimum thickness on gasket surface of .265. Center hole in phenolic spacer must retain factory configuration and finish.

    AIR BOX/FILTER: (Model 69730 - Old Style Engines) Must run stock plastic air box and stock foam filter. No alterations of any kind allowed to air box, this includes de-burring, bead blasting, etc. Foam filter must remain firmly seated in original position in air box and sealed by upper portion of air box assembly.

    (Model 60363 - New Style Engines) Must run stock plastic air box with stock paper filter and stock foam cover. No alterations of any kind allowed to filter or air box, this includes de-burring, bead blasting, etc. Foam cover must be in stock position, fully covering pleated area of filter. Filter must be tightly attached to air box by wing nut.

    CYLINDER HEAD: Must be OEM Predator type casting only. Intake and exhaust ports must remain as factory produced, porting or de-burring not permitted. Transition edge from port runner to bowl area must retain defined factory edge. Head gasket surface may be machined ... no angle cutting of gasket surface allowed. The use of Aftermarket FLANGED bolts of similar OEM design (head size, diameter, length and thread length/pitch) allowed as replacement for stock head bolts. No studs allowed ... No additional washers allowed. Head gasket(s) must be stock configuration, gasket thickness is a non tech item. No copper or aluminum gaskets allowed. Sealer may be used to assist gasket seal.

    VALVES: Stock steel/stainless nitrate coated valves only ... 45 degree angle only. No grinding, refacing, or resizing of valves allowed, no polishing of valves allowed.

    (Model 69730 - Old Style Engines)... Intake valve diameter - 0.979 minimum Exhaust valve diameter - 0.938 minimum
    (Model 60363 - New Style Engines)....Intake valve diameter 1.058" Minimum Exhaust valve diameter - 0.979" minimum.

    VALVE TRAIN: Must use stock push rods, rocker arms and retainers. No alteration allowed on any valve train component. Valve oil seals allowed on either/both valves. Lash caps allowed on either/both valves. Shims may be used to achieve proper spring installed height. Valve face may not be below the combustion chamber floor. (No sinking the valves.)
    (Model 60363 - New Style Engines) ... Minor grinding on valve end of rocker arms allowed for spring retainer clearance only.

    VALVE SPRINGS: Any single valve spring allowed. Maximum wire diameter .071.

    CAMSHAFT: Stock camshaft cores only, ez-spin assembly must remain as stock. Cam lobe base circle diameter .860" minimum. Duration check for Intake and Exhaust lobes (taken off pushrod). Intake duration of 219 degrees at .050 lift ... 86 degrees at .200 lift*. Exhaust duration of 222 degrees at .050" lift ... 97 degrees at .200" lift*... *(+ 2 degrees total variance allowed). Max valve lift .245" on both intake and exhaust lobes. Lift taken on valve spring retainer with zero lash. (To achieve zero valve lash for checking running lift, preload dial indicator by .001".)

    BLOCK/SIDE COVER: Block/side cover/cylinder assembly must remain stock as factory produced including all internal parts. Up to two side cover gaskets allowed, sealer may be used in conjunction with gasket to assist seal. The use of Aftermarket FLANGED bolts of similar OEM design (head size, diameter, length and thread length/pitch) allowed as replacement for side cover bolts ... no studs allowed ... lock or star washers allowed. Head gasket surface may be machined but no piston pop out allowed, no other alterations to any cylinder assembly parts allowed. Bearing pockets in block/side cover must retain press fit of bearings. Low oil sensor may be disabled or removed. All governor components may be removed or disabled. Oil return hole diameter .251" no-go. Lifter bore .320" maximum diameter.

    PISTON: Stock OEM Predator Piston, with no alterations allowed. No honing of wrist pin bore allowed. Piston skirt must retain stock defined edges.... No de-burring/chamfering/radiusing allowed. Arrow on top of piston must point toward lifter gallery.

    RINGS: Stock OEM predator rings only, with no alterations. End gap on top 2 rings .040" maximum when checked in cylinder ... .220" minimum when checked out of cylinder. Top 2 rings must be self-supporting when placed in cylinder with end gap pointing up. Oil ring assembly must be self-supporting in cylinder bore when checked installed on piston with connecting rod assembly (rod/cap/bolts) attached. Oil expansion ring must remain unaltered ... no filing/clipping/cutting allowed. Piston rings must be in one piece (unbroken) when presented for tech.

    ROD: Stock OEM Predator rod, with no alterations allowed. No honing of wrist pin or crank bore journals allowed. Bearing journals must remain flat with stock defined edges ... no breaking/chamfering/radiusing of edges allowed.

    CRANKSHAFT: Stock OEM Predator crankshaft, stroke must be 2.163 +/- .010. No machining, polishing, addition of material or other alteration of crankshaft allowed.

    BEARINGS: Stock OEM type construction with steel balls and steel retainer cage. No ceramic bearings allowed. Bearings must retain press fit in block/side cover.

    FLYWHEEL: Stock OEM Predator flywheel. No alterations to flywheel or fan allowed. Timing is non tech.

    RECOIL/STARTER: Stock OEM recoil and starter cup with no alterations. Recoil may be rotated for better angle to facilitate starting engine.

    VALVE COVER: Stock OEM valve cover. No alteration allowed to internal baffle assembly. Valve cover may be drilled for pulse fitting, but fitting may not protrude into or through baffle plate, or interfere with proper operation of the baffle assembly. Stock configuration gasket and/or sealer allowed. (Model 60363 - New Style Engines) Valve cover external vent hole may be enlarged to maximum .250" diameter.

    EXHAUST: Exhaust system can be either the stock factory muffler with no alterations allowed.... or AKRA legal exhaust system using small .750" max O.D. header and RLV mini-91 silencer. If using a header/silencer it must pass all AKRA rules. Allen bolts, or extended studs, of original diameter Allowed. Any stock configuration exhaust gasket allowed, Sealer and/or gasket may be used.

    FUEL TANK/FUEL PUMP: Factory fuel tank may be used or optional top plate and fuel pump. If used, pump may only be pulsed through the valve cover. Tank vent tube may be disconnected and fuel cap fixed to vent. However if you unhook it you must plug the hose that runs to the air box.

    APPEARANCE: Engine must outwardly appear as it did when it came out of the box this includes color. No aftermarket advertising or engine builder stickers, markings or other identifiers allowed on any engine component (blower housing, tank, chain guard, top plate, etc.). All engine components must retain any original stampings/numbering ... no additional stampings/numbering/engravings allowed. No tape allowed on motor ... no taping of recoil or blower housing allowed.

    ENGINE TECH: All engines are subject to tech at any time regardless of finishing position. All engines are subject to impound at any time. All engines will be teched as raced, based on the engine as presented at scales for post-race weight check.

    ENGINE PROTEST: Protest fee $100 ... acceptance fee $30Any participant may protest the engine of the kart(s) finishing in front of them, but no "jumping" of positions allowed. Protest must be filed by the driver of the kart before his kart leaves the scale. Once a verbal protest has been filed, the protest cannot be withdrawn without forfeiture of any submitted fees and immediate disqualification for all predator classes in which the competitor is entered.

    Protested engines may be marked or impounded, at the tracks discretion, until the completion of the event.

    ENGINE CLAIM: Engine claim fee $200 ... acceptance fee $30. Any competitor finishing in the top 5 positions may claim any engine finishing in front of them. In order to file an engine claim, a competitor must complete the race. Engines may be claimed only at the completion of main event for each weight class. Claim must be filed by the driver of the kart before his kart leaves the scale. In the case of more than one claim on the same engine, the highest finishing position will have priority. No multiple engine claims allowed.... only one claim per driver /kart /class/event. Once a verbal claim has been filed, the claim cannot be withdrawn without forfeiture of any submitted fees and immediate disqualification for all predator classes in which the competitor is entered.

    Claimed engines will be allowed to complete all main events in all classes in which competitor is registered at time claim is filed. Engines are claimed as raced, minus clutch, chain guard, top plate*, fuel pump, and muffler/silencer.

    All claimed engines are subject to track tech based on race results. Claimed engines may be disassembled to an extent required to comply with track tech inspection. Once the engine has met the required track tech, the competitor claiming the engine can determine the extent to which he wishes the engine to be disassembled for further inspection.

    If the engine is ruled legal, based on the limits of the inspection, the claimer will receive the motor and the owner will receive $200 in return ($170 + $30 return of acceptance fee)
    If the engine is determined to be illegal, the owner of the motor will forfeit the $30 acceptance fee, and the claimer will have the choice to accept the engine as is or receive the $200 claim fee in return.

    FAILURE TO COMPLY: First offense penalty for refusing an engine claim/protest/tech will be immediate disqualification for all predator classes in which the competitor is entered, and loss of all points and awards for the season. A competitor who has multiple instances of refusing an engine claim/protest/tech will be subject to additional disciplinary action at the track/series discretion, up to and including permanent exclusion from the Predator classes.

  11. #11
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    Will there be jr and jr pro classes?..I’m interested in going be would like to at least race twice..also is there going to be trophy checks..pole awards..nationals invite..any incentive other that 100% payback?..

  12. #12
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    Is champ animal or clone?

  13. #13
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    Quote Originally Posted by idragit View Post
    Will there be jr and jr pro classes?..I’m interested in going be would like to at least race twice..also is there going to be trophy checks..pole awards..nationals invite..any incentive other that 100% payback?..
    No jr pro classes
    Only 100% payback

    [SIZE=1]- - - Updated - - -[/SIZE]

    Quote Originally Posted by Umax25 View Post
    Is champ animal or clone?
    Clone champ

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    ***UPDATE***

    This race has been re-scheduled for Saturday February 10th

  15. #15
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    What's the call on this race,looks like a 90% chance of rain sat.really was looking forward to coming there but looks like mother nature gonna win again...

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