Paul,
I have been using the blue silicone heater hose for several years now without issue.
While I do not have the spring type clamps I found that slipping heat shrink
tubing over the standard worm drive hose clamps works a treat. Without
the shrink tubing you will run the risk of the clamp cutting into the silicone.
Additionally, I used heat shrink tubing over the end of the silicone hose to
minimize any chance of chaffing from the clamp. Finally, as I concerned about
the hose kinking as it came up and over the top of the engine I wrapped the
outside of hose in that location with safety wire in a loose spiral then covered
it with shrink wrap to keep it in place.
Also, I know of one other builder that used silicone vacuum line with great success.
Both items are available at:
http://www.paragonperformance.com
Regards,
Erich Trombley
N28ET Classic Mono 914
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