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how is steel fuel line measured ID or OD #1246514
06/06/12 10:28 PM
06/06/12 10:28 PM
Joined: Feb 2003
Posts: 2,138
tucson az
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frank Offline OP
top fuel
frank  Offline OP
top fuel
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Joined: Feb 2003
Posts: 2,138
tucson az
If you purchase a 3/8 metal fuel line from any one of the venders, year one, fine lines, etc. is the 3/8 ID or OD

Re: how is steel fuel line measured ID or OD [Re: frank] #1246515
06/06/12 11:03 PM
06/06/12 11:03 PM
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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RapidRobert Offline
Circle Track
RapidRobert  Offline
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Posts: 36,040
Lincoln Nebraska
OD and the neoprene hose that slips over it is measured in ID


live every 24 hour block of time like it's your last day on earth
Re: how is steel fuel line measured ID or OD [Re: RapidRobert] #1246516
06/07/12 12:28 AM
06/07/12 12:28 AM
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Posts: 43,163
Bend,OR USA
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Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
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Bend,OR USA
Quote:

OD and the neoprene hose that slips over it is measured in ID


Bigger is better on the I.D. of the fuel line


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: how is steel fuel line measured ID or OD [Re: frank] #1246517
06/07/12 09:19 AM
06/07/12 09:19 AM
Joined: Feb 2003
Posts: 2,138
tucson az
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frank Offline OP
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tucson az
So when you order a 3/8 fuel line what you are really getting is maybe 5/16 ID. if that.

Re: how is steel fuel line measured ID or OD [Re: frank] #1246518
06/07/12 01:13 PM
06/07/12 01:13 PM
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dogdays Offline
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The size of tubing is always OD.

I wouldn't get worried about the fact that the ID is smaller than that. A rule of thumb for fuel use is 0.5 lb fuel per horsepower hour. So if you have a 400 hp engine on the dyno it will burn about 200 lb fuel per hour. Gasoline is around 7 lb per gallon so that's about 19 gallons per hour at max output. I think the tubing will allow that with minimal pressure drop.

R.

Re: how is steel fuel line measured ID or OD [Re: dogdays] #1246519
06/07/12 06:05 PM
06/07/12 06:05 PM
Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
DaytonaTurbo Offline
Too Many Posts
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Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
The metal fuel line is measured in OD. The rubber fuel hose is ID.







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