Guest Anonymous Posted May 14, 2001 Share Posted May 14, 2001 I was using the sawzall on the floorpan of my car. Unfortunately, I cut the return line of my fuel system (EFI). Any suggestions on patching this part of the line? I was thinking to use a piece of EFI fuel hose and two hose clamps. Would use a punch or something to flare the fuel lines to give it some grip. The guy at the auto store wasn't so keen on doing this and suggested a compression fitting. Anyone got any other suggestions? Thanks, Scott Quote Link to comment Share on other sites More sharing options...
Drax240z Posted May 14, 2001 Share Posted May 14, 2001 I think what you described will work. I'm always paranoid with fuel lines though, and I usually double clamp them. Probably not at all necessary. I believe there is a law as to the maximum length of rubber fuel line you can run legally, but I doubt you'd ever get caught. Just food for thought. I actually had a Z that had its return line rust out under the battery tray. I wasn't too keen about fuel spraying all over the starter and battery, let me tell you! Quote Link to comment Share on other sites More sharing options...
Modern Motorsports Ltd Posted May 14, 2001 Share Posted May 14, 2001 Yeah/what drax said. Just flare it out and double clamp with EFI hose. It's not an area you'll be checking often....be very sure it won't vibrate on anything and if concerned at all shield it/isolate it with a larger hose 'sleeve' or some method. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted May 15, 2001 Share Posted May 15, 2001 Just to follow up: I called a shop that came recommended by the auto parts store guy - Ace Fuel systems in Santa Clara. They didn't feel comfortable using the hose as a long term solution. So, I decided to go the AN route. Got a -4 AN coupler and -4 AN barrel nuts to use. Will be borrowing my friend's AN flaring tool (cheapest one I can find is $120)! Just thought y'all would like to know. Scott Quote Link to comment Share on other sites More sharing options...
DavyZ Posted May 15, 2001 Share Posted May 15, 2001 Scott, do you have a V8Z? Geez, you're fairly close to me, just across the evaporation ponds... David Quote Link to comment Share on other sites More sharing options...
randy 77zt Posted May 15, 2001 Share Posted May 15, 2001 i would use a compression union-a brass fitting from hard ware store. Quote Link to comment Share on other sites More sharing options...
pparaska Posted May 15, 2001 Share Posted May 15, 2001 Randy, that's what I did on my low pressure system (14psi from the Holley blue pump to the regulator). I used brass compression fittings on the hard Al line. I worried a bit about the Al compressing, but it didn't leak. Any opinions on using compression fittings (brass) on AL hard line? Quote Link to comment Share on other sites More sharing options...
Drax240z Posted May 15, 2001 Share Posted May 15, 2001 Pete, I think that is not too bad. I've always been told that your ferrule has to be of a harder material (or the same hardness)than the line to get the proper compression and seal. The fitting body material shouldn't matter quite as much though, just as long as you aren't trying to use stainless steel ferrules in a brass body, etc. IIRC, Brass and aluminum (depending on types of course) are fairly similar in hardnesses, so it should be a decent solution. Quote Link to comment Share on other sites More sharing options...
Kevin Shasteen Posted May 17, 2001 Share Posted May 17, 2001 I agree w/Richard about the metal material issues. I had the high side trans cooler line split (metal lines) & oil was spewing everywhere. I checked w/a local trans shop about duplicating a new line...they advised me to just use the brass comp.fittings. Used them on the cooler line & have never had another problem since-checked the fittings for leaking many times & have never so much as found a drop. Kevin, (Yea,Still an Inliner) Quote Link to comment Share on other sites More sharing options...
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