TwinTurbo.NET: Nissan 300ZX forum - Can J30R7 FI hose be used as J20 heater hose?
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Subject Can J30R7 FI hose be used as J20 heater hose?
     
Posted by beanz on May 26, 2012 at 5:15 PM
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Message Need to replace some 6mm J20 heater hose I used during my plenum coolant bypass (running a longer line to remove a hard pipe). Trying to figure out if I need to order J20 heater hose, since I can't seem to find a store that has it in 6mm/.25", or if I can use .25" J30R7 fuel injection hose. I see people have used FI hose (of unknown ratings) as coolant line, but it's not clear to me if it's actually smart/safe. If it is, it saves me time and money. If it's not, then obviously I don't want to do it.

Anyone know for sure?

Thanks.
Andy

     
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