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Ferrari "mousetrap" valve springs. 8500RPM in the 50s. How do these work?

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Could also have been to solve a problem with coil springs binding at whatever lift those valves have.
 
He's gonna grow up to live alone, in a shack with a $100k dirt track car and a mud truck. He will be the happiest son of a gun on the planet.
Early 20's, my friend dated this chick who's dad was 100% all in on the dirt track. Husband wife and 3 kids (well 2, because she was away in college) in a 2/1 single wide. 60x80 main shop that was nice, other 30x60 shop on the opposite end of the back yard to park stuff in.
 
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