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04-28-2024, 09:32 PM
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#1 |
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Who Changed This?
 
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,165
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Re: 1968 GMC 250 Fuel Line
If you just want to run a straight steel line, you can buy a steel brake line with the correct fittings and bend it yourself. Or you could buy one from a vendor like LMC. Or you could buy a section of NiCopp tubing that is really easy to bend. Many options are available. If you just buy the line(s), you'll need a tubing bender.
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~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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04-28-2024, 10:11 PM
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#2 |
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Senior Member
Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,098
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Re: 1968 GMC 250 Fuel Line
L6s took a 5/16ths fuel line. V8s ran with 3/8 from the Factory. Some people upsize, but I run a bored-out 292 with a 500 CFM Edelbrock 1404 and I get fine fuel flow with the stock size.
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Every 25 years I like to rebuild that 292, whether it needs it or not. |
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04-28-2024, 11:05 PM
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#3 |
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Who Changed This?
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,165
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Re: 1968 GMC 250 Fuel Line
I had a '64 Malibu that had a 2 barrel 283 from the factory. I'm pretty sure that it had a 5/16" fuel line. I drove it on PCH and hit 120 MPH on the speedo (calibrated). I'm pretty sure that that farmer pulling out of his field on his tractor was surprised by the wind when I went by, to say the least. Lucky we weren't both killed, tbh.
__________________
~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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