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Discussion Starter #1
I have the rotary pump on my 1979 dt466 in a school bus. I had a fuel leak that ended up being the return line that goes to the steel line that returns to tank. Only thing open was a Napa and they made me a return line using hose with double steel braid, A tractor parts dealer here said that line will cause my pump to go bad because of fuel pulses. I found out he was talking about farm tractor engines that only had 1 return line that goes to filter. my engine has one on each side. 1 to filter, 1 to tank, Do you know if having this line for my return to tank can cause me pump failure ?
 
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