Stunt Posted November 9, 2016 Share Posted November 9, 2016 L28 n42/n42 Dual SU's MSA 6-1 header 280zx electronic dizzy Car runs Can I delete this hard line? Quote Link to comment Share on other sites More sharing options...
Stunt Posted November 9, 2016 Author Share Posted November 9, 2016 Borrowed this photo Quote Link to comment Share on other sites More sharing options...
NewZed Posted November 9, 2016 Share Posted November 9, 2016 Isn't your real question "what does this line do?". You should determine that, then the answer will probably be obvious. 1 Quote Link to comment Share on other sites More sharing options...
jacky4566 Posted November 9, 2016 Share Posted November 9, 2016 Fuel tank vent line. To my knowledge you need it on the older tanks that have a non-vented cap. When in operation it feeds fuel vapour to the intake tract. No performance advantage in removing it, just aesthetic . I removed it and drilled a 1/8 hole in the fuel cap for "Venting" Quote Link to comment Share on other sites More sharing options...
Stunt Posted November 9, 2016 Author Share Posted November 9, 2016 Thanks. For the info Quote Link to comment Share on other sites More sharing options...
Greeko Posted November 9, 2016 Share Posted November 9, 2016 Are you sure thats venting or the fuel return? Quote Link to comment Share on other sites More sharing options...
beermanpete Posted November 10, 2016 Share Posted November 10, 2016 Yes, that is the fuel tank vent. If you remove it you need to rework the tank vent in the rear hatch area on the right side. Quote Link to comment Share on other sites More sharing options...
Miles Posted November 10, 2016 Share Posted November 10, 2016 (edited) Buy this book: How to Restore Your Datsun Z Car by Wick Humble. It tells you how to take apart, restore and re-assmble your Z car with lots of pictures. It will save you many many hours searching for "how to" information! The book is available several places such as: https://www.amazon.c...ur z car humble You should download the Factory Service Manual (FSM) for your 240Z. There are links to the FSM here on HybridZ. This is the manual the Datsun dealerships used to maintain 240Zs. For now, perhaps this picture will provide some insight into what that line is for. Edited November 10, 2016 by Miles Quote Link to comment Share on other sites More sharing options...
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