ChampCar Tech Desk

The tech desk is used to ask technical questions and is not to be used as a post race tech line or to phish for how others built their cars.
Please reference the BCCR as most questions submitted to the TechDesk can be answered by reading the BCCR.
You can download the BCCR here: https:champcar.org/rules
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Knowledgebase

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2020-03-20 - GT40/GT40P & Cobra/Explorer Intakes

Category: Engine & Cooling

Q.I have previously cleared this with Mike C so I want to re-clarify that for a 1993 Cobra engine th...

3,254
(201)
2020-01-14 - BMW E46 heater bypass kit

Category: Engine & Cooling

Q.Bimmerworld offers a kit to plug the cooling lines normally routed to the heater core (PN 100.64.5...

1,515
(188)
2020-01-24 - ESS Brand Fire Systems

Category: Interior & Safety

As of January 1st, 2020 all fire suppression systems must be SFI or FIA certified and inspected ever...

1,426
(161)
2019-11-28 - Hand Tool Mods

Category: Engine & Cooling

Tech interpretation and enforcement is that any work done to an engine with a grinder, Dremel or fil...

1,162
(303)
2019-11-28 - Front Air Dam

Category: Aerodynamics & Bodywork

Air Dam - 10 points Tech interpretation and enforcement is any non-oem vertical aero component is an...

1,134
(176)
2020-01-30 - Non-OE Cylinder Heads

Category: Engine & Cooling

Q.Car: 1986 Ford Mustang LX with 5.0 V8Per 2020 BCCR: "Cylinder head(s), non-OE and/or non-matching ...

1,084
(171)
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...

195
(1)
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...

216
(2)
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...

196
(0)
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 ...

166
(1)
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...

155
(2)
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...

277
(1)
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