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.
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2022-01-22 - Exhaust Manifold Flange

Am I allowed to replace the flange on an exhaust manifold?
The stock flange design makes removal of the downpipe a bit challenging. I'd like to cut the flange off the manifold and replace it with a welded V-band flange.
This is "modifying the manifold" so I'm not sure this is allowed, but it is downstream of the merge

You can change and use the clamping device of your choice on the end of the exhaust manifold..

Ray Franck
ChampCar Tech Inspector

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