Fuel line

**2jzhilux** · 24-10-2007, 08:24 PM

Hi
Just a quick question
I am ordering some stainless steel fuel line and i need to know what wall thickness will be best for efi
I have options from .90mm to 2mm thickness
Also will 3/8 line be big enough for 2jzgte with 044 pump

thanks

**Pube** · 24-10-2007, 08:59 PM

stainless will be difficult to bend and shape to suit your car, unless you are using straight pieces only? Usually people use bundy tube which is easy to work with.

**2jzhilux** · 24-10-2007, 09:33 PM

yeah i bought some bundy tube and it is way too weak
When i flare it it falls to pieces
Im trying to do the lines similar to factory lines with the nuts to screw in and all that shit

I have a pipe bender for it already

**MWP** · 24-10-2007, 10:06 PM

Weird, i recently bent up my 3/8th fuel lines using the copper coated steel bundy with no problems... flares and all.

**mrshin** · 24-10-2007, 10:08 PM

Stainless is far more of a bitch to deal with than mild steel... 10mm should be plenty big enough, unless you have some seriously big ambitions!

**Pube** · 24-10-2007, 11:14 PM

when you are flaring the bundy, you are probably doing a single flare, and in that case it will fail easily. Double flaring is the proper way, a bit of an art to get right though.

**Norbie** · 25-10-2007, 11:59 AM

Wall thickness won't matter, the pressures involved are SFA so the thin-walled stuff will never fail.

**blue_22** · 25-10-2007, 12:27 PM

i used 316 stainless steel if i recall i braught my tube from bankstown air port some aviation place the tube was in the anealed state so it was easy to bend and flare, from there i went to a motor sport place to finish the job off with s/s flex lines to the calipers, never have to wory about brake lines again in my lifetime anyway.