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09-08-2021, 07:45 AM
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#1 |
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Registered User
Join Date: Dec 2001
Location: harvard, il. USA
Posts: 397
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Gas lines
This dummy can't read a ruler(smile).
Bought new 5/16" gas lines, gottem Friday. Compared old to new. New are visibly smaller ID vs old. Internet vendor policy on pre-bent lines = no return. For as long I have the truck it will be stock. 400BB garage king. Would you use 5/16? Thanks, don t. |
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09-08-2021, 08:10 AM
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#2 |
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Registered User
Join Date: Jan 2000
Location: Wyoming USA
Posts: 2,463
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Re: Gas lines
I would go 3/8" if it were me ,I have ran 3/8 on my 327 that had 5/16 they needed replaced any ways so why not.
__________________
2001 Silverado K-1500 2005 FXDWG stage3 69 CHEVY Short/Step 327/4L60 373 posi 63 IMPALA 327/4L60 |
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09-08-2021, 09:49 AM
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#3 |
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Registered User
Join Date: Jul 2015
Location: Sedalia Mo.
Posts: 1,131
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Re: Gas lines
It's a fair amount of work to risk fuel starvation with 5/16" lines just to have to possibly redo it later. I swapped my old 5/16" line out when I went from a stockish 350 to a 400. All is good. I'd go 3/8" too.
__________________
He who is without oil shall throw the first rod. Compressions 8.7:1 1972 C10 1976 C10 (parts truck) 1985 K20 |
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09-08-2021, 12:07 PM
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#4 |
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Registered User
Join Date: Oct 2020
Location: Albuquerque, New Mexico
Posts: 474
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Re: Gas lines
GM had a reason to use 3/8" on V8s when the could have saved a fraction of a cent by using the same part across the board.
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09-09-2021, 07:55 AM
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#5 |
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Registered User
Join Date: Dec 2001
Location: harvard, il. USA
Posts: 397
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Re: Gas lines
All the replies make a ton of sense.
It's just busts my tookus I couldn't read a dang ruler(grin). Thanks again...have fun...don t. |
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09-09-2021, 08:54 PM
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#6 |
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Registered User
 Join Date: Dec 2013
Location: Dunwoody,Ga
Posts: 443
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Re: Gas lines
Sonetimes hard to get diameter with ruler - especially when your old like me. I use an open end wrench when in tight quarters.
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