Quote:
Originally Posted by babyjames
P.S. Forgive my ignorance, but why do you wish to stop the return flow?
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Since VO has to be heated up quite a bit and most people don't install an in-tank heater, they'd rather not lose all that freshly heated oil back to the tank and instead keep it circulating in the engine compartment.
If you just close off the banjo fitting, you'd build up some crazy pressures in your injector lines and likely blow a return line hose in no time.
Seems like a better idea would be to install a y-fitting on the incoming fuel line (from the tank, before the fuel pump) and then loop the return line (cigar line) into this new y-fitting.
Not sure how well that would work or what damage that may cause to the fuel pump, those pressures coming back through the cigar line can be crazy at times.