[Roadsters] Fuel Line size

Eddie eddietude at socal.rr.com
Sun Feb 22 23:35:40 MST 2009


Duh, I answered my own question...

The fuel .265 OD is = to 17/64 a hair over 1/4

The brake .195 is between 3/16 and 13/64

Not sure what size line those would be though, as fuel line sizes are in 
ID, aren't they?

Eddie

Eddie wrote:
> IT doesn't make much sense to have varying thicknesses in the fuel 
> line, because the least sized section determines the MOST amount of 
> fuel flow.
>
> But, thanks for the info.  Do you have the metal line measurements in 
> fractions?
>
> Eddie
>
> Gary and Cindy Ault wrote:
>> Eddie,
>>
>> The fuel line (metal line from the tank) in my '66 measures 0.265 
>> inches OD; the brake lines measure 0.195 inches OD. All lines are 
>> original.
>>
>> The rubber fuel line from the filter to the pump is 5/16-inch ID, and 
>> the rubber line from the pump to the carbs is 1/4-inch ID.  Why the 
>> difference, I have no clue.
>>
>> Gary
>>
>> ----- Original Message ----- From: "Eddie" <eddietude at socal.rr.com>
>> To: "Datsun Roadster List" <datsun-roadsters at autox.team.net>
>> Sent: Sunday, February 22, 2009 4:23 PM
>> Subject: [Roadsters] Fuel Line size
>>
>>
>>> I'm about to put the fuel system together, and I noticed the fuel 
>>> lines in my car are the same diameter as the brake lines.  This 
>>> seems awful small to me.
>>> Are all cars this way, and is this correct, or did some bonehead put 
>>> small fuel lines in my vehicle?
>>>
>>> Thanks.
>>>
>>> Eddie
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