Questions tagged [racing]

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Battery dead after track day but everything working

Car: BMW M3 (2006) I went to a track day (HPDE event where I drove the car on a road course at its limit for the entire day) and at the end of the day the car wasn’t cranking. I push-started it and ...
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1 vote
1 answer
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1960s Race Car Rear Suspension Question [closed]

As you can see in the pictures below they dont have a double wishbone setup but instead they have this weird setup. Why did they use something like this instead of double wishbones back then and why ...
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How can a puncture destroy the differential?

Watching Endurance, a documentary by Porsche, around the 1:06:36 mark they have the car pull into the pits after a rear right puncture. The tire is completely gone and the team is faced with the issue ...
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  • 101
-2 votes
1 answer
745 views

Tractive System Measuring Point

What is meant by the term 'Measuring Points' when used in reference to the manufacturing of electric Formula Racing car. I googled and somehow got the sense that measuring points are certain terminals ...
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1 answer
517 views

Thumb position when driving/rallying [closed]

I am not a rally driver or anything...but out of curiosity, is it safer and more technical to lock my thumbs into the steering wheel when rallying? If so, then does that apply to normal track racing ...
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2 votes
2 answers
214 views

How can pit crews remove wheels so fast?

Every once in a while I'll watch an absurd video of a pit crew switching tires on a car. I can understand a lot of it is repeated practice; I don't understand how the guys running the impact find can ...
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  • 926
7 votes
1 answer
2k views

What pressure should i run in my winter rally tyres?

I'm going to buy and run for the first time a winter rally spiked tyre of 145 80 r13, and I was wondering what pressures do people generally use rallying in low winter temperatures on snowy terrain? ...
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9 votes
2 answers
4k views

2000 chevy cavalier cheap upgrades

I am a high schooler that was lucky enough to get a 2000 chevy cavalier 2.2l automatic 4 door sedan for $100 for my 16th birthday. One of the parents owns a drag strip/race track that we can use, so ...
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49 votes
6 answers
16k views

Why don't rally cars have airbags?

Why don't rally cars have airbags? Other competition cars, including Ken Block's don't have airbags either. Is it just for weight reduction, are they redundant or is there another (major) reason?
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6 votes
2 answers
295 views

Can a modified or non-fixed firing order yield a racing advantage?

I'm looking forward to more sports car racing this year (alas, just as a participant) and so I thought I'd look over the rules in detail. Specifically, I was reading the 2016 IMSA Technical ...
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6 votes
3 answers
6k views

Are there any advantages to "manual" steering?

I recently watched a video of guys racing and drifting cars. They said they were converting the vehicle to a non-assisted steering system. I can't really figure out what advantage this would give you, ...
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