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Off Track Talk Off Topic Stuff, Bench Racing and Other Topics - keep them clean!!!
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  #41  
Old 14-08-2018
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Quote:
Originally Posted by aidan View Post
Yeah there are on car balancing machines but they are pretty old tech, I only used one once when I was learning my trade at TAFE in the early 00's. Not sure if there are modernised versions around.

EDIT: saw you mentioned without machines. Balance beads inside the tyre are said to work well.

Here is a good vid to explain how they work

I actually ordered one of the portable bubble balancers of ebay from Taiwan few years ago, it never arrived, but someone said they were not all that accurate?
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  #42  
Old 14-08-2018
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Quote:
Originally Posted by Tom68 View Post
That's a bit out there.

When we were involved with Nascar the mandated rim width was 9.5'' and the tread width of the tyre was about 12''. Looked ok with tall cross plys, not so much when we went to radials.

Steel wheels on the cars, not hub centric.
Twin tyres 45 psi in the outer 65 psi in the inner on the right front. 3500 lb car + driver, 52 % nose weight massive aero on cars like the old tbirds, 24 degree banking adding even more load, 5 5/8 studs on a 5'' pcd. 100 % reliable, even for wacking the concrete wall.

But that's got nothing to do with street legalities.
What was the GVM?
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