June 20, 20169 yr I have an EA 82 three door coupe Loyale, and I paid for a Weber swap last year. It was out of my skill set, and it was winter with no garage. until recently it was working perfectly. I was climbing a pass with it floored and a fully loaded car. Halfway up the pass I noticed gas spewing into the engine bay. I hurriedly remove the gas cap and it stopped. I proceeded to drive the rest of my trip paranoid but with no gas leaks. Since then I've been using a sock as my gas cap and have had no fuel in the engine bay...the mechanic who did the swap for me suggested I run the two lines together with the tea. I don't think this is safe. There was some obvious pressure that needed to go somewhere. Questions: are these the fuel return and vent lines like I think? if so should I plug the return and leave the vent open? they both seem to have the same OD, but the ID of one is obviously much smaller. I'm scared to put my gas cap back on... I'm no mechanic, but this forum has helped me immensely to keep this car on the road and safe. Hoping for a little more help!
June 20, 20169 yr If your car is indeed a Loyale, than it was originally fuel injected. If the stock fuel pump wasn't changed when the Weber was added, then the fuel pressure is too high. Carbs leak for various reasons but the most common is too high fuel pressure and/or the float is adjusted too high. carburatore don't use/have a fuel return line. Edited June 20, 20169 yr by john in KY
June 20, 20169 yr Author It is definitely a Loyale, and it was definitely carbureted stock. The fuel was not leaking out of the carburetor but out of the return and or ventilation lines coming from the tank as shown in the picture
June 20, 20169 yr Author Still could be fuel pressure too high though. The mechanic replaced the fuel pump when he installed the Weber but I'm not sure if he knew how low of a pressure was required. I assume so because he's a mechanic Edited June 20, 20169 yr by Nick Nack
June 21, 20169 yr My guess is your mechanic installed the correct pump so forget about the fuel pressure being too high. The photo of those 2 lines sure look like fuel lines to me. Where/what to they connect to?
June 21, 20169 yr Author i'm pretty sure they used to be the return/vent lines for the gas tank and the hitachih carb it had on it, but when he put the weber on he just cut them and left them hanging there. Maybe he missed that part of the swap guide. I read in the swap guide that i'm supposed to plug the return and leave the vent open, but I'm just a little hesitant to do anything wrong.
June 21, 20169 yr Definitely plug the return line. I believe the vent went to the carbon cannister... beings that is cut, you could plug it as well.
June 21, 20169 yr Author is the return the one with the smaller inside diameter? or is there a way to tell which? in the guide it says the vent is 1/4" and the return is 3/16", but doesn't mention whether or not they have different inside diameters? It looks to me that they have the same outside diameter, so I'm not sure which is vent and which is return. Nothing bad to come from plugging them both though? just definitely don't run them in line with eachother?
June 21, 20169 yr ... carburatore don't use/have a fuel return line. Yes, the California specs: "Feedback" hitachi carburetors on EA82's has Return lines. Please review the post Nº 8 on my Weber Retrofitting Writeup: ~► http://www.ultimatesubaru.org/forum/topic/71510-ideas-on-swaping-a-weber-carb-on-ea82%C2%B4s/?do=findComment&comment=1027115 There's all the information you might need, regarding Fuel Lines on Weber Swaps done in EA82's. Kind Regards.
June 22, 20169 yr Author Yes, the California specs: "Feedback" hitachi carburetors on EA82's has Return lines. Please review the post Nº 8 on my Weber Retrofitting Writeup: ~► http://www.ultimatesubaru.org/forum/topic/71510-ideas-on-swaping-a-weber-carb-on-ea82%C2%B4s/?do=findComment&comment=1027115 There's all the information you might need, regarding Fuel Lines on Weber Swaps done in EA82's. Kind Regards. I have read it over and over, and I know this much: I need to close the return line and leave the vent line open. I don't know this much: in my picture, which is the vent and which is the return?
June 22, 20169 yr I have read it over and over... Are you Sure? ...I don't know this much: in my picture, which is the vent and which is the return? Look at the inside diameter's Size of the Hoses, If you had read it, you'll find the answer... Kind Regards.
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