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  View original topic: Fuel line size
Joey Chopps 1 Mon Apr 05, 2010 2:36 pm

Hey im a fixing up my 70 standard and i want to put all new fuel lines in it. i want to make sure they are the right size from stock. Im sure somebody else has done this. So if some one could give me a shopping list for all new fuel line that would be better than me guessing. Oh and by the way im putting the fuel filter under the tank.

Glenn Mon Apr 05, 2010 3:08 pm

Stock fuel hose is 5.5mm.

Joey Chopps 1 Mon Apr 05, 2010 3:12 pm

5.5 lines everywhere on the car?

Glenn Mon Apr 05, 2010 3:13 pm

Yes... from tank to carb.

Joey Chopps 1 Mon Apr 05, 2010 3:16 pm

Thanks Glenn As usual the man with the answers

68IHscout Mon Apr 05, 2010 7:10 pm

So what's fivemm convert to in inches…?

johnR Mon Apr 05, 2010 8:07 pm

Most vendors sell OE German 5.5mm fuel hose, but the closest in inches I guess would be 7/32" (slightly larger than 5.5mm).

7/32" = 0.21875 inches
5.5mm = 0.216535433 inches

69 Jim Mon Apr 05, 2010 8:20 pm

Stick with the 5.5mm. SAE is for American cars.

cookrw Mon Apr 05, 2010 9:31 pm

Does any of the hose have to be the high-pressure FI hose?

Bruce Mon Apr 05, 2010 9:40 pm

Only if the car has FI.

Joey Chopps 1 Tue Apr 06, 2010 12:16 pm

yeah good luck trying to find 7/32 fuel line at a part store anyways. the only 7/32 line at all of the 5 part stores i was at yesterday was for windshield wiper fluid. one of the guys at the shop said that would probably be alright. needless to say thats why he works at a part store not at a garage.

68IHscout Tue Apr 06, 2010 12:21 pm

I was just curious about the mm to inches , I'm thinking 5 feet would ne more than enough? To do all the hose routing from tank to hard lines and such



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