Shouldn't be a problem, Nathan. To me, it would be just like
replacing your factory water hoses with top-quality Gates hoses or
your factory oil filter with a Fram. Vacuum hoses are expendable
parts, just like water hoses and oil filters, and can be replaced by
aftermarket parts...just as long as they don't create a "performance
advantage." You can even replace clutch and brake hydraulic lines
with solid metal or metal braided lines as long as the car is earlier
than, I believe, 1992.
John (Old Fartz & TLS #37) Lieberman
Nathan Dyck wrote:
>
> I have a 91 MR2 Turbo with about 103K miles. Some of the vacuum hoses are
> getting old and I want to replace all of them with black silicon hose. Is
> this legal for A-Stock or do I have to use OEM hose? Would this be
> considered OEM equivalent? I can't imagine it making any performance
> difference, but the rules can be strange sometimes.
>
> Thanks.
> Nathan Dyck
> MKII MR2 Autocross FAQ
> (http://web.mitsi.com/autocross)
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