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Old 02-04-2004, 04:50 AM   #1
68 Suburban
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Fuel Lines, 5/16 or 3/8s?

Which size fuel line did out turcks come with?
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Old 02-04-2004, 04:54 AM   #2
Alexis
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3/8
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Old 02-04-2004, 04:55 AM   #3
stelth2002
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5/16ths for the inlines, 3/8 for v8
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Old 02-04-2004, 05:59 AM   #4
red71cheyenne
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my 71 had both. 3/8 for fuel supply line from tank and 5/16 going back to the tank for vent. had to change both to 3/8 for the TPI. Jeff.
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Old 02-04-2004, 09:57 AM   #5
Tx Firefighter
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Stelth is right. It depends on which engine it had originally.
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Old 02-04-2004, 11:27 AM   #6
CPNE
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I've found it depends on the carb. All 4bbl carbed V8's had 3/8, whereas the 307 2bbl had 5/16th. All inlines had 5/16th as well.
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Currently on or near the homestead:

67 Chevy SWB 2WD stepside 350/3 on tree (Pat's)
67 GMC SWB 2WD Fleet 402/auto (Brian's under construction)
67 Chevy 3/4 ton 2WD 402/auto (Business Hauler)
67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC)
68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC)
70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC)
71 Chevy SWB stepside (Crushed by tree - parts donor)
72 Chevy 3/4 ton 4WD (Parts donor)
72 Chevy 3/4 ton 4WD Suburban (Parts Donor)
72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC)
81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler)
82 Camaro Z/28 355/Super T-10 (Pat's toy)
93 Caprice 9C1 (Brian's Cop Car)
02 Toyota Camry (Reliable but a souless steel and plastic hulk)
2011 2SS RS Camaro M6 Factory Hurst Shifter

Maybe I need to sell some of this crap

Yet another Bozo with a sawz-all
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Old 02-04-2004, 11:46 AM   #7
SWEET7T
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My 2bbl V8 has 5/16...
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1970 C10, 2wd, LB, 307/TH350/3.08. PS, PB
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Old 02-04-2004, 03:01 PM   #8
scotts67
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I put 5/16 on mine and I run a 350
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