QUOTE(tod914 @ Sep 22 2011, 10:54 PM)
Anybody have a source for 9mm ID high pressure fuel line? Not interested in the vaccume style cloth covered fuel line. 30R9 or above would be ideal. Seems 3/8ths is the only option in my web searches. Thanks, Tod
I'm not aware of SAE standards for metric fuel hose. Some companies (Gates) advertise 8mm, but it is really 5/16" (7.9xx mm). Even with carbureted (low pressure) VW's, 3/8" can leak when used for 9mm application, so that leaves you with cloth covered 9mm, or, 5/16" for SAE 30R9, or ordering something from Porsche, Audi, BMW, Mercedes, with an unknown (to me) permeability rating.
5/16" will mate with the fuel rails if you are patient.