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914World.com _ 914World Garage _ 1.7 return fuel line routing

Posted by: Tdskip Nov 23 2018, 05:20 PM

As part of getting the 1.7 ‘73 BAT car into regular use I need to tidy up the return fuel line. Does anyone have a picture of where the return if you wind it runs in the engine compartment before it ducks down under the horizontal sheet metal to the return line near the engine firewall?

Does it run up the passenger side engine compartment above the engine level so it’s not subject to heat?

Thanks!

Posted by: orangecrate Nov 23 2018, 09:40 PM

My 72 fuel line comes up from the pump , runs across the rear firewall to the fuel pressure regulator, then to the driver side injectors , runs across the top of the engine to the cold start injector, continues across the top of the engine to the passenger side injectors, and down to the y that ties it into the return from the fuel pump. it will pick up some heat ,but dump most of that running forward to the tank, Never been an issue with mine-- when it was running.

Posted by: Tdskip Nov 23 2018, 09:45 PM

Hi - thanks for both of the responds here and on the other thread as well.

Is the return line laying on the engine tIn or is it suspended somehow?

Posted by: orangecrate Nov 23 2018, 10:08 PM

Just laying on the tin. There's really no other way to route them and still connect to the cold start injector. Unless you get really creative. I've replaced all the fuel lines though. Only 4 yrs old. I'm not sure you can make that rat's nest of hose look nice!! Vacuum lines everywhere.

Posted by: Tdskip Nov 24 2018, 06:32 AM

Thanks for the confirmation.

Posted by: orangecrate Dec 15 2018, 12:24 PM

Sorry. I was 180 off on the direction of fuel flow. Bassakwards. Fuel pressure regulator is the last thing in line before return to the tank. Not first. So supply line runs across the engine and return across the aft firewall. Ooops.