[F500] Source for axle steel

[Jeff Blumenthal]

Dave,
 I think what John is saying (veiled with the rules reference) is that 
you are already fast enough!!! :-)
- Jeff

John Whitling wrote:

> Before you get wild and  crazy with varying the diameter of your rear 
> axle read the rules. I don't think you can do that (legally).
>
> John
>
> dphaneu at attglobal.net wrote:
>
>> I'm using 4340 now heat treated up to about 185ksi tensile.
>> I have this axle out of the car right now and it's starting to show
>> some small cracks when we mag checked it. I want to use
>> the 300M and turn it down in some sections ( weight savings)
>> where it's clear of the bearings and hubs.
>> I have access to the machine work, just can't find the raw
>> materials yet. I'm not in a hurry my old one still works.
>> Dave
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