I tried this size 9 years ago, but developed weeping/leaking, even when
using the good factory clamps, which only clamp so tight.  I went back to
the original 7mm stuff - no more leaks.  I have used 1/4" high pressure fuel
hose which is equivalent to 7mm, 5/16 is too big, at least for mine.
--
Jim Thompson
84 Westfalia 2.1 "Ole Putt"
73 K Ghia Coupe "Denise"
72 411 Station Wagon "Pug"
oldvolkshome@gmail.com
http://www.oldvolkshome.com
*Have a Happy & SAFE Holiday*
**********************************
On 12/26/06, Geza Polony <gezapolony@sbcglobal.net> wrote:
>
> I just replaced the narsty old HP fuel lines on top o' the engine with
> 5/16", not 7mm, lines from the local Kragen. They fit snugly but not so
> tight as the 7mm. When clamped, they can't be moved around at all. Any
> problem with this? Yes, the new ones are high pressure rated for fuel
> injection systems. No leaks, either.
>
> Thanks all--
>
>
> Geza