Cliff Loh wrote:
> 
> Can anyone answer this question:
> 
> When did the "pre-92 stainless brake line" allowance get introduced?
> and why?
> 
I'll take a stab at it.  (Pun intended)  Older car's rubber brake lines
are more likely to experience cracking and bulging, even rupture over
time.  Allowing older cars to replace those with a better quality part
is simply a matter of safety, and results in no performance advantage
other than the brakes are less likely to fail.  I don't know when it
became a rule.
end-o-stab
PLW
 
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