jeromio Posted January 28, 2002 Share Posted January 28, 2002 I'm going nowhere with my project. Ripped out the old fuel lines and the tank yesterday. I really should've just kept the old fuel lines - it was a huge pain removing them and now I have to buy and install new ones. Anyspank, I'm buying 3/8 inch stainless supply line and 5/16 inch regular steel return line (Summit is out of 5/16 stainless). So, while I'm at it (God, this is just the source of all project doom "While I'm at it" %*@#$!!!), I've decided to replace the brake lines. Is that brake line going to the rear 1/4 or 3/16? I'm thinking it must be 3/16, but I need to be sure before I blow $25. I'm also ordering stainless for this as they are out of 3/16 regular steel also. But, I have in the very back of my mind some nagging suspicion that you're not supposed to use stainless for brake fluid due to some chemical reaction?? Is my brain playing tricks, or is there something to this? Oh, also, looking at the existing setup for the front brake lines, I'm thinking that rather than have the lines go around the frame, I'm gonna drill a hole thru the inner fender the size of the hose end. Then I'll use the C clip to secure it and thread the hard line on the engine bay side. This is the way most other cars I've worked on route the lines - cleaner IMO. Also gets the lines that much further from hot exhaust tubes. Quote Link to comment Share on other sites More sharing options...
Jeff Posted January 28, 2002 Share Posted January 28, 2002 Stainless is fine for brake lines, no worries about any kind of chemical reaction. You might check with Classic Tube http://www.classictube.com/frames/4/index.html for the correct size of the front to rear brake line. They offer a complete set of pre bent lines for the Z Car as well. Those line are a pain, I droped the rear suspension to get mine out in one piece. Quote Link to comment Share on other sites More sharing options...
Ray Posted January 28, 2002 Share Posted January 28, 2002 The brake kits are 179 for steel and 199 for stainless... as for the fuel line the aluminum 1/2 kits work really good they come in 25ft lengths for less and 30$.... Quote Link to comment Share on other sites More sharing options...
Dave Posted January 29, 2002 Share Posted January 29, 2002 The stock brake lines and nuts are metric. Make shure that if you buy new brake lines they have the metric nuts. I found that metric lines from NAPA are 3/16 SAE tube with metric nuts. Dave.... Quote Link to comment Share on other sites More sharing options...
pparaska Posted January 30, 2002 Share Posted January 30, 2002 Experience / opinion here on this one. Yeah, that stainless looks cool BUT: 1) Stainless is harder to deform in the flared area than the ERM steel lines. It makes it a real chore to get them to seal up. I had to really tighten the heck out of all my connections to get them to stop weeping. I had Classic Tube make up my lines to the lengths I needed with the metric 10mm flare nuts on them. I then bent them myself. (BTW, I also ran my driver side line along the inner fender/rail corner and out through the inner fender, instead of around the rail past the headers. Very clean.) 2) Watch out for the type of metric flare nuts. The ones that Classic Tube sells have an unthreaded portion next to the flared end. (They call this the "nose" of the fitting.) With that there, it leaves very few threads engaged when threaded into the Datsun fittings/ports. YOu need to have them cut off the "nose" (extra charge for the lathe work). Tell them it's for a Nissan with double inverted flare ends and they'll understand. I also had trouble getting the cheaper $60 double flare tool to make reliable flares. That's why I had Classic Tube make all my lines to length. Hope this helps, Quote Link to comment Share on other sites More sharing options...
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