I recently had some AN fuel lines ran from the bulkhead to the rails and ever since getting the car back from the shop my garage/house has smelled like a gas station. I have taken the car back 3X to the shop that did the install and they have not been able to find a leak or locate were the smell is coming from. I also took it to another shop who could not locate the problem.

Is their anyways to pressure test the lines on the car? Any ideas would be appreciated.

 

sounds like it is leaking vapor under pressure...the shop that did the install should be jumping on this as that is a real hazard, especially if you have a gas water heater or furnace in your garage...it is a simple matter to pressure test the lines before they are installed and that should have been done....if the shop isn't going to man up you could take it to a smog station and have them use their cap sniffer to see if they can find the leak...it is also possible that during the install they had a leak and there is some raw fuel somewhere that hasn't evaporated completely yet

 

Thanks Chuck, I think I might just take it to a smog shop, I didnt know they had sniffers that can detect leaks. I would have thought the shop pressure tested the lines but I dont think they did. The 1st time I took it back they forgot to purge out the old fuel lines so they thought they had it figured out, the 2nd time they said it was a loose gas cap/seal on top of the tank, the 3rd time they said it was caused by the return line not being submerged into the bottom of the tank. I am hesitant to bring the car back a 4th time. Each time I bring the car into their shop other issues suddenly happen "dead fuel pump", "fuel gauge stops working", "brand new fuel pressure regulator doesnt work", "the wiring they installed goes up in smoke while they are testing","car gets rear ended when they are out getting gas". It has been a true nightmare.

The 2nd shop I took it to checked the evap system and said it was functioning fine.

At this point I am not sure what to do.

 

you might call a smog shop first and inquire...I know in Kalifornia they do use a sniffer to make sure your gas cap isn't leaking....I don't know if it is just a simple pass/fail device or if it can read concentrations of fuel vapor...if it can read the concentration then it could help you find the leak...good grief a simple conversion like AN lines and you have had one hell of a time...sorry to hear

 

I bet they used steel braided line with rubber inside? I chased my tail for months on 2 of my previous builds (at the ame time) before I realized the fuel was just eminating through the rubber and steel hose. I switched ALL of my fuel lines over to the steel braided with teflon inside, and "POOF", no more fuel smell.

 

I used Russell ProClassic hose that is rubber inside and nylon braided outer. I am going to try and pressure test the hose first with Earls kit. Really dont want to go through and replace all the hose again

 

Trust me Don, been there done that. I know you don't want to, but change over to lines that are (internally ) teflon and your problems will go away. Even if you change to another brand, rubber lines will eventually smell...surf other forums and do some homework...I learned the hard way too. Had to replumb my 94 Supra and my 69 TT Camaro...

Like this...

http://www.summitracing.com/parts/SUM-220985/

need the correct fittings too...This is the ONLY way to fix this...or park it outside...

 

I think you're right! I have been reading other forums all day on this topic and it looks like teflon is the way to go! What a PITA! Amazes me that they sell this stuff knowing it will stink up your car/garage. The more I read, the more I see it is a very common problem with braided line.

Does the line above need specific fittings or can I reuse the ones I already purchased?

 

Well most people just use a small piece on their smal block Camaro from the fuel pump to their Holley double pumper. Now with people using 15-20feet of it replumbing their whole car...now it's a problem. Trust me, I had TWO cars stinking up my basement!!!! never noticed it until someone came over one day and thought my house was gonna blow up!!! Suck it up ,change the line and fittings and your problems will go away...Sorry.

 

Thanks man, will do! You sold the car???

 

No Prob bro...Yep...gone...

 

wtf mike car sold, your cell phone broken?

 

Bingo.

 

Here is a good article about hoses. If anyone is thinking of doing a fuel line upgrade this is a good read. Amazes me that these hose companies are still selling the rubber hose today!

http://www.hotrod.com/techarticles/e...s/viewall.html

 

Hate to say it...