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Haltech WCF 2024 Rotary Pictures

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Old Nov 4, 2024 | 09:33 AM
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Haltech WCF 2024 Rotary Pictures

Good Morning All,

Feast your eyes on one of the 20B drag cars from Haltech World Cup Finals. WCF is a large drag event held in Mechanicsville MD once a year. I enjoy going because you can talk to the teams in the pits and ask them what manufacturer of parts and the struggles they have run into. Definitely different goals than us street guys but boy are they fun to watch.

This car has Siemens injectors, MSD CDI, NGK 11.5 Race Plugs, Stock CAS! (surprised me), Dry Sump, Billet Plates, Methanol + Nitrous, Per rotor EGTs and much more. Some of the pics are blurry, I was rapid firing pictures as fast as I could. Enjoy.









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Old Nov 4, 2024 | 09:34 AM
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Not a rotary car but interesting to see the use of 2 different brand o2 sensors in the same position
Not a rotary car but interesting to see the use of 2 different brand o2 sensors in the same position
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Old Nov 4, 2024 | 09:36 AM
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Each iron was externally fed with oil
Each iron was externally fed with oil




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Old Nov 4, 2024 | 09:38 AM
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Old Nov 4, 2024 | 11:47 AM
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Originally Posted by Michael Mansour
Good Morning All,

Feast your eyes on one of the 20B drag cars from Haltech World Cup Finals. WCF is a large drag event held in Mechanicsville MD once a year. I enjoy going because you can talk to the teams in the pits and ask them what manufacturer of parts and the struggles they have run into. Definitely different goals than us street guys but boy are they fun to watch.

This car has Siemens injectors, MSD CDI, NGK 11.5 Race Plugs, Stock CAS! (surprised me), Dry Sump, Billet Plates, Methanol + Nitrous, Per rotor EGTs and much more. Some of the pics are blurry, I was rapid firing pictures as fast as I could. Enjoy.
GREAT pics, just one comment/correction, almost none of the 13B/20B turbo cars are running nitrous, what you are seeing are solenoids (normally used in nitrous applications); basically, they are using nitrous solenoids to to control alcohol injection.

Last edited by KNONFS; Nov 4, 2024 at 11:49 AM.
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Old Nov 4, 2024 | 11:55 AM
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Originally Posted by KNONFS
GREAT pics, just one comment/correction, almost none of the 13B/20B turbo cars are running nitrous, what you are seeing are solenoids (normally used in nitrous applications); basically, they are using nitrous solenoids to to control alcohol injection.
Thank you for the correction, you can even see in my pictures the soleniod has a line feeding from the main fuel supply. Lots of methanol cans lying around... I wonder what premix they use and the ratios
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Old Nov 5, 2024 | 08:39 AM
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Originally Posted by Michael Mansour
Thank you for the correction, you can even see in my pictures the soleniod has a line feeding from the main fuel supply. Lots of methanol cans lying around... I wonder what premix they use and the ratios
From looking at the cars, it seems like they are injecting 100% fuel :O

I often wonder what if there was a better way of controlling the injection, I would guess at what point it doesnt really matter and the engine will take everything they can throw at it? Very interesting stuff, lots of unknown for people like us that are super interested in how stuff works.

Something that I noticed this year, more of them are now using exhaust pressure sensors/data; also some of them are moving the wastegate to the turbo housing, instead of the turbo manifold (maybe due to space constraints?) All in all, I enjoy the workmanship more than the actual races, good stuff IMO!
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