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11-22-2012, 09:38 AM
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#1 |
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Senior Member
 
Join Date: Oct 2012
Location: Miami, Florida
Posts: 959
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fuel lines
good morning to all. Happy Turkey day! are any of the fuel lines that exit the fuel sending unit, or the fuel lines that exit the cab floor, or the fuel lines that are mounted along the frame rails 3/8 inches? also, are ther any return lines for fuel? the fuel lines that are questionable are the stock lines from a 1971 chevy c10. thanks for the assistance. again, happy holidays.
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11-22-2012, 10:04 AM
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#2 |
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Registered User
Join Date: Jul 2011
Location: strausstown pa
Posts: 3,394
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Re: fuel lines
I'm thinking the v-8 trucks had the 3/8 line tank too carb. 6cly trucks had 5/16.
not 100% sure but I think 71 was the start the vent line its not a return line but I think i read somewhere that guys have set it up too be a return.
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81 camaro 355 4/spd 342 posi my first love  .67 swb step 454/4spd ott 373 posi 4/7 drop. 2000 s10 zr2 little blue truck that never gets stuck. '74 heald super bronc vt8. tecumseh powered moon rover. |
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11-22-2012, 10:12 AM
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#3 |
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Registered User
Join Date: Jun 2010
Location: Upland Ca
Posts: 4,147
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Re: fuel lines
Not 100% sure for a 71 but for 72 there are 3 lines, fuel feed, vent, and return. 3/8s line is standard for V8s.
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1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
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11-22-2012, 11:12 AM
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#4 |
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Senior Member
Join Date: Oct 2012
Location: Miami, Florida
Posts: 959
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Re: fuel lines
the truck was originally a v6 truck. it seems like the fuel lines are 5/16. are 3/8 in. fuel lines a must for lsx carbed engines?
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11-22-2012, 11:15 AM
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#5 | |
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Registered User
Join Date: Jun 2010
Location: Upland Ca
Posts: 4,147
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Re: fuel lines
Quote:
Posted via Mobile Device
__________________
1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
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11-22-2012, 11:18 AM
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#6 |
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Registered User
Join Date: Aug 2008
Location: Lantana, TX
Posts: 419
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Re: fuel lines
LSx motors run on 3/8 feed and 5/16 return. Are you going to use a electric or mechanical fuel pump?
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11-22-2012, 12:45 PM
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#7 |
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Senior Member
Join Date: Oct 2012
Location: Miami, Florida
Posts: 959
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Re: fuel lines
well my 1971 c10 will sport a carbed lq4, with the gm hot cam. im in the the process of running my fuel lines with the stock tank, thats located in the cab. im using a holley blue electric fuel pump for fuel distribution duties. what are some suggestion/ideas for this process? all information is approeciation.
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