The inner diameter of my pipes is 1-3/8" and the outer is diameter is 1-1/4" (tape measured - not calipered). I wouldn't try regular PVC as I'm pretty sure it would sag at the coolant temps involved. Maybe CPVC works. It is rated 200F. Has anybody used this stuff? Is it available in 1-1/4" diameter? Where do you get it? Sure would be lighter than the conduit and truck heater hose. Is the run over the fuel tank straight, or do the metal pipes have bends that I cannot see in there? Maynard Southard OvO '79 '82 Westy Diesel "Reinhardt" '82 Vanagon GL Diesel '93 EV GL "Klinger" '00 Golf GLS TDI "WooHoo" '84 Jetta GL TD "Donor" On Tuesday, September 04, 2001 12:48 PM, Nate Wall [SMTP:NWall@envasns.org] wrote: > <<<So now, I must repair the pipes. I'm thinking about going the route of the > > large truck heater hoses, instead of the electrical conduit.>>> > > I made a draft tube for my '85 TD once and used 7/8 inch truck heater hose I > got from one of those heavy duty truck dealers. I think it was about $2.00 a > foot, so that would be expensive for two times the length of a vanagon. > ($60??). I like the electrical conduit idea. > > Also, what about PCV plumbing pipe. Its cheap. Once glued w/ the special > solvent, it will never come loose. I think it will take the heat too. I > guess you could sweat solder copper pipe, but that would be fairly expensive > too. But as far as I know, VW coolant systems do not have copper or brass in > them, hence a phosphate antifreeze is specified. > > What's the inner diameter of the coolant tubes? > > > --Nate |
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