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
ChampCar ChampCar Tech Desk Knowledgebase
Suspension
Suggested knowledgebase articles:

Knowledgebase Suspension

Articles in this category

2020-01-10 - Turning an adjustable damper to non-adjustable

Q.If I have a shock/strut that is within our 2x but it is adjustable (either by height or dampening)...

512
(208)
2020-01-20 - Official Penske Ruling - NA/NB Miata ('90-'05)

Q. To clarify the total points taken, by a 1990-2005 (NA or NB) Miata Running the Penske Spec Miata ...

1,162
(1)
2020-01-20 - Heim Joints in Sway Bar End Links

Q.Please clarify the total points taken for Sway Bars that include End Links with Heim JointsIn othe...

492
(198)
2020-02-27 - Adjustable Coil-Over Shock Value

Q.We are looking to run a [Insert your old car here] which currently has a value of 350-points.  The...

587
(394)
2020-08-17 - Droop Limiters / Spring Retainers

Q.I would like to know the point value for Droop limiters.Cable, chain, strap etc used to limit the ...

267
(1)
2020-08-17 - Spring Spacers

Q.I would like to know the point value for Spring SpacersNot rubbers. A steel or aluminum spacer to ...

245
(0)
2020-11-11 - Subframe Bushings

Q1.Do subframe bushings (with same locating dimensions) fit under "Suspension bushings: OE replaceme...

218
(1)
2020-11-13 - Modified Top Hats

Q.I want to weld on an extension to the OEM top hats to raise the damper shaft in relation to the bo...

294
(1)
2020-11-13 - Tender/Helper Springs

Q.Aftermarket, non-OEM size springs are now 5 points per corner.  Does adding a Tender/Helper spring...

218
(0)
2020-11-13 - Non-OE Suspension Component with Heim Joints

Q.If I have a Non-OE Suspension Component that I take 10 points for will I have to take ADDITIONAL p...

208
(0)
2021-01-01 - Steering Rack Conversion

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

205
(0)
2022-01-31 - Eccentrics for alignment with repurposed parts

Q:Can I take some steel (from my car) and make holding brackets and a couple of offset washers to ma...

92
(0)
2022-01-31 - End Links with OE Bar

Q:The rule states: Sway bar, non-OE, including end links: 20 pts each axleI understand this means if...

95
(0)
2022-01-31 - Leaf Spring Replacement

Q:Hello, On a Corvette it uses a Mono leaf spring rear suspension. What are the points to change fro...

89
(0)
2022-02-22 - Extended Lower Ball Joints - Revised

Regarding Extended Lower Ball Joints: Both the common Miata Type (left) and Honda Type (right) were ...

105
(2)

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