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PRESS RELEASE:

HPI Racing, Foothill Ranch, CA., proudly announces the 2008 HPI/HB Challenge Series. The HPI/HB Challenge Series events are designed to give HPI and HB car and truck owners a way to get together for a weekend of fun competition and a chance to meet the HPI and HB crew. The emphasis is on sportsmanship and friendliness, with a dose of adrenaline-induced excitement when it comes time for the finals. There’s no better way to feel the thrill of RC than to step up to the driver’s stand. For a small entry fee each participant receives free HPI and HB gifts, decals, prizes and trophies for most racers. With events in off-road, on-road and drift, the emphasize will be on having FUN!

2008 HPI/HB Challenge Series
(Rev 10/23/08)


Jan
19 - HPI/HB Drift Challenge at HPI USA HQ, Foothill Ranch, CA
Feb
17- HPI/HB On-Road Challenge at Hobby Town, Corona, CA
Mar
22 - HPI/HB Off-Road Challenge at Hemet RC Track, Hemet, CA
April
19/20 - HPI/HB Drift Challenge at RCX Expo, Pomona, CA
May
5/31-6/1 - HPI/HB On-Road Challenge,
Cherry Hill, NJ
July
26/27 - HPI/HB
On-Road Challenge at The Hobby Shop, Dayton, OH
Aug
16/17 - HPI/HB On-Road Challenge at 301 Raceway, Brandywine, MD
Sept
28 - HPI/HB Off-Road Challenge at Seven Cities Raceway, Virginia Beach, VA

Interested race hosts/shops inquiries invited, contact:
Rodney Wills, rodney@hpiracing.com
Andrew Hilman, ahilman@hpiracing.com

Also:
8-Dates TBA for JBRL Nitro/Elec Series – HB Arrive and Drive Series

Above events and/or additional events will be at (final dates/locations TBA):
HPI Time Attack!, CA
OC Circuit Series, CA


2008 HPI/HB Challenge Series Information

HPI/HB DRIFT Challenge Series
HPI/HB chassis, bodies, wheels and tires only.
Open battery rule (LiPo allowed), max 7.4 volts (ie. no 7 cell packs or 3 cell LiPo).

Classes:
Spec E-10
-HPI E10 Chassis.
-Stock kit HPI Saturn 27T motor.
-HPI T-Drift tires (#4406).
-Optional ESC/servo/receiver allowed.
-Only HPI E10 specific option parts allowed.

Sport T-Drift
-19 turn motor limit (brushless allowed, min 10.5).
-HPI T-Drift tires (#4406).
-Chassis option parts allowed.

Expert T-Drift
-No motor limit (brushless allowed).
-HPI T-Drift tires (#4406).
-Chassis option parts allowed.

Expert Type-R
-No Motor Limit (brushless allowed).
-HPI Type-A Super Drift tires (#4402).
-Chassis option parts allowed.

Time Attack
-No motor limit (brushless allowed).
-HPI Type-A Super Drift tires (#4402).
-No race bodies (Mazda 6, Stratus, etc)
-Kit Lexan wing (cut to stock cut line) or HPI plastic wing set only.
-26mm spoke wheels, no dish wheels, rubber tires only.
-Chassis option parts allowed.

HPI/HB ON-ROAD Challenge Series
HPI/HB chassis, bodies, wheels and tires only.
Open battery rule (LiPo allowed), max 7.4 volts (ie. no 7 cell packs or 3 cell LiPo).

Classes:
-Certain classes will be featured at specific events,
see individual race flyers for specific event class info.

RTR Box Stock Electric E10
-HPI E10 Chassis.
-Stock kit HPI Saturn 27T motor.
-Stock Mounted T-Grip Tire 26mm on Rays 57S-Pro Wheel Chrome.
-Optional bodies allowed except Mazda 6/Stratus race bodies.
-Optional ESC/servo/receiver allowed.
-Only HPI E10 specific option parts allowed.

RTR Stock Electric Sprint 2/Cyclone Sport
-HPI Sprint 2 or HB Cyclone Sport chassis.
-27 turn motor limit
(brushless allowed, 17.5 min. per ROAR rules).
-Spec tire: #61147 HB Gumballs Worlds Spec Racing Slick Tire/Wheelset.
-No options allowed (except bodies, wheels and tires).

RTR Box Stock Nitro
-HPI Nitro 3/Nitro 3 Evo chassis.
-HPI/HB rubber tires only.
-No options allowed (except bodies, wheels and tires).

Electric Sport
-HPI Sport/Pro 2/3/4, E10, Sprint, Sprint 2; HB Cyclone chassis.
-19 turn motor limit
(brushless allowed, 10.5 min. per ROAR rules).
-Spec tire: #61147 HB Gumballs Worlds Spec Racing Slick Tire/Wheelset.
-Chassis option parts allowed.

Electric Expert
-HPI Sport/Pro 2/3/4, E10, Sprint, Sprint 2; HB Cyclone chassis.
-No motor limit (brushless allowed).
-Spec tire: #61147 HB Gumballs Worlds Spec Racing Slick Tire/Wheelset.
-Chassis option parts allowed.

HPI Nitro Sport
-HPI Nitro 2/3, Nitro 3 Evo, R40 chassis.
-
HPI/HB rubber tires only.
-Chassis option parts allowed.

HPI Nitro Pro
-HPI Nitro 2/3, Nitro 3 Evo, R40 chassis.
-HPI/HB rubber tires or any brand foam tire
-Chassis option parts allowed.

HPI Super Nitro
-HPI Super Nitro chassis.
-HPI/HB rubber tires only.
-Small block (up to .18 engines only).
-Chassis option parts allowed.
-We will make a separate Electric Super Class if needed.

HPI 1/10 Electric Truck
-Any HPI 1/10 Electric Truck.
-19 turn motor limit.
-Chassis option parts allowed.

HPI/HB Monster Truck
-HPI Savage, HB Lightning GT 1/8 scale monster trucks.
-Chassis option parts allowed.

HPI/HB 1/10 Nitro Truck
-HPI Firestorm, Nitro MT2; HB Lightning Stadium 10, Lightning Stadium GT10 trucks.
-Chassis option parts allowed.

HPI Micro Stock
-HPI Micro chassis.
-Stock kit motor.
-Rubber tires only
-Chassis option parts allowed.

HPI Micro Mod
-HPI Micro chassis, optional aftermarket chassis allowed.
-Rubber or foam tires.
-No Motor limit (brushless allowed).
-Chassis option parts allowed.

Special Classes:
Vintage Class Electric
-HPI Sport/Pro 2/3/4, E10, Sprint, Sprint 2; HB Cyclone chassis.
-HPI Vintage bodies: #7494 Chevrolet Camaro, #7717 Plymouth AAR Cuda (prepainted),
#17508 1965 Ford Shelby GT350, #17510 Plymouth AAR Cuda, #17519 Ford Mustang GT.
-HPI Vintage wheels and tires only.
-No high downforce Lexan wings.
-Must use kit supplied "scale/realistic" wing, not kit supplied high downforce wing.
-27 turn motor limit (brushless allowed, 17.5 min. per ROAR rules).
-6 cell batteries (LiPo allowed), max 7.4 volts (ie. no 7 cell packs or 3 cell LiPo)
-Chassis option parts allowed.

Vintage Class Nitro
-HPI Nitro 2/3, Nitro 3 Evo, R40 chassis.
-Small block engines only (ROAR 1/10 scale nitro sedan rules), plus kit/stock small block engines from any HPI car kit allowed.
-HPI Vintage bodies: #7494 Chevrolet Camaro, #7717 Plymouth AAR Cuda (prepainted), #17508 1965 Ford Shelby GT350, #17510 Plymouth AAR Cuda, #17519 Ford Mustang GT.
-HPI Vintage wheels and tires only.
-No high downforce Lexan wings.
-Must use kit supplied "scale/realistic" wing, not kit supplied high downforce wing.

-Chassis option parts allowed.

RCGT Challenge
The concept of this class is to have a realistic/scale race class that looks like it's full scale GT/Touring Car counterpart.
-HPI Sport/Pro 2/3/4, E10, Sprint, Sprint 2; HB Cyclone chassis.
-HPI realistic bodies only (no Stratus, Mazda 6 race bodies).
-HPI 26mm spoked wheels (no dish wheels)
-HPI #4790 D-Compound X-Pattern Radial Tires
-Kit Lexan wing (cut to stock cut line) or HPI plastic wing set only.
-27 turn motor limit (brushless allowed, 17.5 min. per ROAR rules).
-Chassis option parts allowed.

HB Cyclone 12
-HB Cyclone 12 chassis.
-19 turn motor limit (brushless allowed, 10.5 min. per ROAR rules).
-Chassis option parts allowed.

HPI/HB OFF-ROAD Challenge Series
HPI/HB chassis, bodies, wheels and tires only.
Open battery rule (LiPo allowed), max 7.4 volts (ie. no 7 cell packs or 3 cell LiPo).

Classes:
-Certain classes will be featured at specific events, see individual race flyers for specific event class info.

1/10 RTR HPI/HB Box Stock Nitro Truck
-HPI Firestorm, Nitro MT2; HB Lightning Stadium 10, Lightning Stadium GT10 trucks.
-No option parts allowed (except bodies).

1/8 RTR HB Box Stock Nitro Buggy
-1/8 scale HB Lightning buggies.
-No option parts allowed (except bodies).

1/8 RTR HPI/HB Box Stock Nitro Truggies
-HPI Hellfire; HB Lightning Stadium.
-No option parts allowed (except bodies).

1/8 RTR HPI/HB Box Stock Nitro Monster Truck
-HPI Savage; HB Lightning GT Monster Trucks.
-No option parts allowed (except bodies).

1/10 HPI Rookie Electric Truck

-HPI E-Firestorm chassis.
-Brushed 19T motor limit. (kit motors allowed)
-Chassis option parts allowed.

1/10 HPI Sport Electric Truck

-HPI E-Firestorm chassis.
-Brushless motors allowed, 5700Kv/8.5T turn motor limit. 15T brushed motor limit.
-Chassis option parts allowed.

1/10 HPI Expert Electric Truck
-HPI E-Firestorm chassis.
-No motor limit.
-Chassis option parts allowed.

1/10 HPI/HB Nitro Truck/Buggy
-HPI Firestorm, Nitro MT2, HB Lightning 10, Stadium 10, GT 10 chassis.
-Option parts allowed.

1/8 HB Nitro Buggy
-HB Lightning series 1/8 scale buggies.
-Chassis option parts allowed.

1/8 HPI/HB Nitro Truggy
-HPI Hellfire; HB Lightning Stadium truggies.
-Chassis option parts allowed.

1/8 HPI/HB Nitro Monster Truck
-HPI Savage; HB Lightning GT Monster Trucks.
-Chassis option parts allowed.

Class descriptions and/or rules are tentative as of 10/23/08.
Class descriptions and/or rules will be finalized before the first event.
Classes receiving less than 7 entries will be combined with similar class.






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