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Fuel line replacement

 
Old 06-10-2019, 08:22 PM
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Dan_72
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Default Fuel line replacement

New guy here,
been lurking for awhile though. I am doing my first restore on a 72 stingray 454 I have been working on for about a month. Made tons of progress so far it seems though that the brake lines and fuel lines have got to go.
My question is do I have any other options other then lifting up the body away from the frame? Has anyone used plastic lines like Dorman? Life would be a lot easier, Iím not trying to win trophies but still donít want to disgrace the corvette logo. If I have to lift it I will.
Thanks for the help
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Old 06-10-2019, 10:11 PM
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JohnRR
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I would like to know about this too. Subscribed.
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Old 06-10-2019, 10:47 PM
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jpatrick62
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Originally Posted by Dan_72 View Post
New guy here,
been lurking for awhile though. I am doing my first restore on a 72 stingray 454 I have been working on for about a month. Made tons of progress so far it seems though that the brake lines and fuel lines have got to go.
My question is do I have any other options other then lifting up the body away from the frame? Has anyone used plastic lines like Dorman? Life would be a lot easier, Iím not trying to win trophies but still donít want to disgrace the corvette logo. If I have to lift it I will.
Thanks for the help
Dan, if it helps I am in the same boat. If you want the lines to be in one piece (i.e. no junctions) then I believe you'll have to lift the body off the frame. I have a few friends that have done a very limited lift - about a foot - to do such repairs on other GM cars such as Chevelles. I think you can replace the lines without a body lift if you are willing to accept a junction.
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Old 06-11-2019, 12:27 AM
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caskiguy
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Originally Posted by Dan_72 View Post
New guy here,
been lurking for awhile though. I am doing my first restore on a 72 stingray 454 I have been working on for about a month. Made tons of progress so far it seems though that the brake lines and fuel lines have got to go.
My question is do I have any other options other then lifting up the body away from the frame? Has anyone used plastic lines like Dorman? Life would be a lot easier, Iím not trying to win trophies but still donít want to disgrace the corvette logo. If I have to lift it I will.
Thanks for the help
Are you really restoring or just repairing things ? If you have the whole car raised up at least 30" off the ground I think you may be able to replace the brake lines without much issue and the fuel lines can be replaced with flexible line but where it runs up the back rail ( you won't be able to remove this part of the supply and return) you just have to make sure it isn't subject to damage.
If you go all in and remove the body, and you have the time and money to really do it, it's a blast.

Good Luck with your adventure and be safe.
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Old 06-11-2019, 10:51 AM
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JohnRR
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Originally Posted by caskiguy View Post
and the fuel lines can be replaced with flexible line but where it runs up the back rail ( you won't be able to remove this part of the supply and return) you just have to make sure it isn't subject to damage.

Good Luck with your adventure and be safe.
Can you tell us more about the flexible fuel line. Such as a brand, size, and maybe a part number?

Thanks,
John
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Old 06-11-2019, 12:02 PM
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Originally Posted by JohnRR View Post
Can you tell us more about the flexible fuel line. Such as a brand, size, and maybe a part number?

Thanks,
John
This a question that is hard for me to answer simply because I went all in and removed the body on my car. If you Google "How to replace fuel lines on a 1972 C3 Corvette" you'll start the ball rolling. Here are a couple of opinions and such. As far as "flexible line" search Holley.com for information and parts (Earls). Also how have you guys determined the fuel or brake lines need to be replaced ?

https://www.corvetteforum.com/forums...l-lines-2.html
https://www.corvetteforum.com/forums...e-routing.html
Read through this for hose and assembly. http://www.superchevy.com/how-to/pro...fi-fuel-system

Best of luck guys.
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Old 06-11-2019, 04:57 PM
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540 vette
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I have a 502 1972 corvette that I replaced the line. I did it in one piece. I used a 3/8 aluminum line and just fed it thru the way the original went thru. Did it in one piece and without lifting the body.
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Old 06-13-2019, 04:01 PM
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Originally Posted by 540 vette View Post
I have a 502 1972 corvette that I replaced the line. I did it in one piece. I used a 3/8 aluminum line and just fed it thru the way the original went thru. Did it in one piece and without lifting the body.
540,

Did you replace the fuel line, the fuel return line, or the rear brake line? I am in a similar situation as one of the people who owned my 69 350 crimped the fuel return line off about 4 feet behind the front wheel. I didn't pick it up until I
decided to put the car back in stock form, and on adding the fuel return line (off the GF-45 fuel filter) I traced the metal line back to the "termination" (a crimped line done by Bubba). I was thinking of lifting the body off the frame as next Winter's
project so I could replace all the lines and POR-15 the top of the frame rails...
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