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Some info for those that may have to replace their plastic fuel lines

580 Views 6 Replies 3 Participants Last post by  coggonobrien
I have had to replace both my high pressure and return plastic fuel lines that run to the fuel pump. don't ask me how but both of them had rubbed through on the back side. Maybe due to the fact that we have been working on it in literally 0 degree temperatures we have found no way to slide the new plastic lines over the existing steel lines. We did however find a nifty little tool from baron's motors that has fixed the problem. They have a compression coupling designed to attach plast to steel. The plastic side of it has an internal sleeve so that the line will not collapse when tightening it and also they have been tested to withstand several tons of pressure without failing. cost a couple bucks a piece. I am using these because this fuel system will only be in tact for the next year or so (at which point i will be back halfing my car) so i am not going to take responsibility for the longivity of it but it does work. We put mine make together and I proceeded to beat the snot out of my car for the next 20 minutes on open country black top and came back to the shop to check it and did not have a drop of fuel escape. Dave
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link or pic?
i can get a pic hopefully this on friday of at least the couple itself, maybe a couple shots of the lines too. we ended up using them just on the high press side cause we didn't like how much pressure seemed to be on the lines as the tank is raised (the line's are straight not prebent) so we used rubber hose and hose clamps for the return line. we were nervous about the hose but we clamped it on there and with dad and i both pulling on an end (we are thost short wide shouldered irish farm types ;) ) we couldn't pull 'em apart so we figured it would work til i get my fuel cell. also we put the new plastic line inside of more of the rubber hose to help prevent getting a pinch point in it and making it necessary to go through more material before rubbing a hole in the new line.
I'm planning on having Stainless Steel lines running to and from the fuel pump along with a disconnect valve before and after the fuel filter, and also at the fuel pump so that way I can remove things as needed without having to spill a bunch of fuel.

Oh yeah, I'm also doing SS brake lines too....
not bad, i would of done something nicer also but the car will be completely tore apart before too long so it seemed like a waste of effort and dollars. I'm investigating a 68 chevy c10 2wd fleetside shortbox to take over my daily driving regimen. its only gonna cost 250 so i can afford to replace all the fuel and break lines rightaway , get new tires, exhaust, and maybe a couple body panels and still have a cheap ride. once i get the tbird finished in a couple years it too will take its turn under the knife ;)
I know that feeling.

My 97 sport is my DD for now.

The 90-95 SC Hybrid is the resident project car. So it's getting all the bells and whistles...
defintely, i'm really hoping this truck still turns out decent. so long as the cab is solid i can replace everything else out of a catalogue :) it'll make a quick lil parts hauler. my uncle has a strong 355 out of his paved track modified car sitting without a home since they started running crate motors at the track. he's also got a 4 speed without a home :D
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