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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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...

15,303
(271)
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...

2,486
(263)
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...

1,991
(297)
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...

1,804
(512)
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...

1,683
(238)
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 ...

1,468
(267)
2023-02-26 - Multiple Fuel Cells

Category: Fuel Storage and Fueling

Q:ChampCar 2023 BCCR-9.10.4.1 "Stock fuel tanks in stock locations OR approved fuel cells are the on...

30
(0)
2023-02-26 - Bilstein spring perches

Category: Suspension

Q:I am wondering if you consider the spring perches on bilstein shocks to be adjustable? They have t...

36
(0)
2023-02-26 - Shock End Hiem Joints

Category: Suspension

Q.If I run shocks with heim joint ends do I have to claim 10 pts per corner for the Hiem joints? The...

20
(0)
2023-02-25 - Aftermarket Non OE Cylinder Head and Valve Train

Category: Engine & Cooling

Q:If you take a cylinder head swap off the VPI list on a OHC engine you acquire the cams and valve t...

20
(0)
2023-02-25 - Miata Diff Housing Notch

Category: Drivetrain & Axle

Q.Due to the stock miata torsen diff housings having a notch made into the passenger side by the fac...

19
(0)
2023-02-25 - Timing wheel, ECU & Sensors

Category: Engine & Cooling

Q:We have an MS3 Pro PnP ECU. We had to install a 36-2 timing wheel to replace the OEM 4 tooth timin...

22
(0)
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