2021-02-17 - C5 Corvette

Category: VPI Requests

Q.I was wondering if we could get an established VPI for the C5 (97-04) Corvette? Also what would th...

161

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2021-01-04 - Splitter Ramps

Category: Aerodynamics & Bodywork

Q.Would splitter ramps be considered part of the splitter (10pts)? Or would these be additional aero...

187

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2021-01-03 - C4 Corvette Roll Cage

Category: Chassis & Roll Cage

Q.I am building an 89 Corvette I plan to race in ChampCar Endurance Series. As I am designing the ro...

165

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2021-01-03 - Lexan Fastback Window

Category: Aerodynamics & Bodywork

Q: By rule we are allowed to run a lexan rear window. Can we re-locate that rear window to our fast ...

149

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2021-01-03 - Repurposing Lexan

Category: Aerodynamics & Bodywork

Q.Can I remove the lexan rear window and attach it to the trunk to act as an aero device for 0 point...

140

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2021-01-02 - Window net mounting

Category: Interior & Safety

Q.Due to a recent statement made by one of the tech staff on the Champcar forum regarding window net...

203

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2021-01-02 - Alternator Mount

Category: Engine & Cooling

Q.I removed the smog pump and then had to make a new upper mount for the stock alternator. I used so...

86

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2021-01-01 - B18A1 interchange with B18B1

Category: Engine & Cooling

Q.We have a 1992 Acura Integra build with the B18A1 engine. However the A1 is increasingly difficult...

76

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2021-01-01 - Roll Cage Tabs

Category: Chassis & Roll Cage

Q.Looking to add tabs to connect my A-Pillar bars to my A-Pillar. I would like to make the tabs ~10"...

127

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2021-01-01 - Roll Cage to Body Welds

Category: Chassis & Roll Cage

Q.My roll cage contacts my car's body in several locations. Especially along the sill plate (picture...

122

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2021-01-01 - Seat Mount Connection Points

Category: Chassis & Roll Cage

Q.Looking to make sure I've interpreted the rules correctly. I've built my seat mount like several I...

98

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2021-01-01 - Swap Engine Coolant Expansion Tank

Category: Swaps

Q.My question is what coolant expansion tank can be used with 0pts added since my swap engine is des...

65

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2021-01-01 - Swap with the Same HP value

Category: Swaps

Q.If I have a swap that has the IDENTICAL HP rating will the swap take 50 Points or more. For exampl...

88

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2021-01-01 - Extra Fuel Capacity

Category: Fuel Storage and Fueling

Q.My question is if you have a vehicle with 11 gallon stock tank and you put a 18gal fuel cell in th...

145

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2021-01-01 - Steering Rack Conversion

Category: Suspension

Q.In the case of older cars and many trucks, such as a pre-1998 Ford Ranger, that come with a steeri...

92

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2021-01-01 - Rear Wing Height/drop back measurement clarifications

Category: Aerodynamics & Bodywork

Q.Rule as stated:Maximum wing height 12” above roof. Maximum wing drop-back 12” behind car. Would sa...

67

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2021-01-01 - Non-Pressurized radiator overflow

Category: Engine & Cooling

Q.Is it allowed as a no points penalty to replace the non - pressurized overflow bottle with a gener...

73

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2021-01-01 - EC class fueling

Category: Fuel Storage and Fueling

Q.If I'm running in the EC class can we setup and use the fuel rig/red heads already on the car? A.E...

92

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2021-01-01 - Helmet Visors

Category: Interior & Safety

Q. Full Face helmets are required. Are visors required in them or can they be run without? A.you mus...

156

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2021-01-01 - Overbore Engine

Category: Engine & Cooling

Q.If we build our engine 40 over - will that push us into EC, or cost us points? If points, how many...

99

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