
Can I use a FUEL hose instead of coolant hoses? …
2012/3/18· Fuel hose has been designed for pressure (especially EFI vehicles, and for the corrosiveness of the petroleum product, but not for constant heat circulation. In time, the rubber compounds of your fuel hose will eventually degrade and separate due to the ethylene glycol, which is found in antifreeze/coolant, thus putting you right back where you started.