The Camaro Club (UK)

The fitting in my pic., left side has a flare in it that matches your pump internal flare.

What´s your next move ?

I still reckon you should call Summit.

Info on inverted flare fittings.
http://www.valleyhydraulic.com/Brass_In ... Flare.html

Sorry i missed this post:
Going to remove the electric pump, it's way too loud and drones the interior, even with loads of rubber isolators. Plus i don't know how old it is but i do know it was mounted above the height of the fuel tank, which isn't good. Not much rubber in the system, it's all stock routing up until the engine bay. The future set up would have stock routing into the mechanical pump, then it's just the bit after the pump that would be rubber instead of hardline.

Apparently this thread says 5/8 fitting (near the bottom of the page) : http://forum.73-87chevytrucks.com/smfor ... ic=18418.0

http://www.nastyz28.com/forum/showthread.php?t=272279

Found this thread just now, guy appears to have the same question: http://www.chevelles.com/forums/18-engi ... lines.html

Apparently it could be 5/8-18 thread, inverted flare (so likely not npt, nptf etc.which is a topic of conversation in that link). If it does turn out to be 5/8-18 then this should work: http://www.summitracing.com/int/parts/e ... cation=int

There's also this hardline from Summit, that mentions 5/8-18 fitting. Application says Chevy. Different ones come up when i enter my car details, but none of those mention the size, of course! I wouldn't mind hard line, but doubt it will fit with a different carb and intake to stock. http://www.summitracing.com/int/parts/r ... del/camaro

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Why not go to AN fittings and braided line, pump to carb ?

That's a possibility too, never really understood AN, is it just a different thread size or something? I know it stands for ArmyNavy but that's the extent of my knowledge on it :/

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How to post pics: When writing a message, scroll down and use the "attach file" option. Where possible, a photo sharing service can be used such as Flickr, Imgur etc. The image location (usually ending in .jpg) can be copy and pasted between the ][ brackets that appear when you click the 'Img' button (you can find this button at the top of the message box).

How to post youtube vids: Click on the 'youtubeHD' button at the top of the message box and in the middle of the ][ brackets that just appeared, copy and paste everything from the youtube web address that appears after the = sign i.e if this is the url: https://www.youtube.com/watch?v=K2cNqaPSHv0 just copy "K2cNqaPSHv0").

It was first used during the second world war, I love it, beats bending hard line.
The braided line is a bugger to cut, some chop it, I use a fine hacksaw with the line held tight in a vise.One of the first add ons I did to the Camaro.
You´d need a kit.....http://www.summitracing.com/dom/search/ ... cation=dom

I'm a fan of AN too, but it's not the cheapest option.