JSM Posted February 10, 2008 Share Posted February 10, 2008 The top tube in red is the return line on a 73 tank correct? Thanks! Quote Link to comment Share on other sites More sharing options...
JSM Posted February 10, 2008 Author Share Posted February 10, 2008 The factory return runs all the way back to the tank. There are two penetrations in the tank, the 5/16 supply and 1/4 return. Each has it's own hard line with a short section of rubber hose connecting the tank to the hard lines. Both tank penetrations are right next to each other. There is also a third 1/4 inch line that is a tank vent. On my California edition 70 model it goes from a vapor recovery tank in the right rear C pillar up to the crankcase/intake manifold. Are you sure this isn't the line that was pinched off? I completely removed that line from my car. Looks like I found my answer in this post thanks. Should have searched first. http://forums.hybridz.org/showthread.php?t=119492&highlight=return+line Quote Link to comment Share on other sites More sharing options...
X64v Posted February 10, 2008 Share Posted February 10, 2008 I will confirm that that is indeed the stock return on the '73s. Quote Link to comment Share on other sites More sharing options...
Tony D Posted February 11, 2008 Share Posted February 11, 2008 Yes, the 3/16 line is the return. If you are considering EFI, don't use that for the return, use one of the 1/4" vent lines, the small one will cause some fuel pressure control issues if used with even a stock EFI pump... Quote Link to comment Share on other sites More sharing options...
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