Chris i only have 5/16 rubber hose, from the VL efi pump to the mainfold. i have 3/8" from tank to filter then to surge tank (in pump tank) , 1/2" from surge tank to VL efi HP pump , efi outlet 5/16" to hp fuel filter to injector rail and back to surge, over flow on surge 1/4" to orignal pickup 1/4" on tank. i'm using 250psi fuel line.
heath ----- Original Message ----- From: Chris king <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, February 11, 2004 8:36 PM Subject: Re: upgrading fuel system TERRY > Terry > > I assume that the steel line under the car is bundy tube with an inside > diameter of 5/16. I don't think a 5/16 rubber efi line will fit over this > with a flare on the end??? > > Just a little confused > > Thanks Chris > ----- Original Message ----- > From: "Andrew Greenbury" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Friday, February 06, 2004 11:43 AM > Subject: RE: upgrading fuel system > > > > Gday Terry, > > > > Do you have any photos of the layout of surge tank and pumps etc you > > use on the one self contained panel under the rear seat (from > > memory)? > > > > Andrew > > > > > Chris, > > > > > > Just by way of a little more explanation so you are clear as to what is > > > required for a reliable EFI fuel supply you run the 1/4" line from the > fuel > > > tank via your LP pump to your surge tank. From the surge tank outlet you > run > > > the 5/16" line to the HP pump and then onto to the filter & then onto > the > > > fuel rail. The original 1/4" NA fuel line can then be used as the return > > > from the fuel rail to the surge tank or fuel tank (your choice and lots > of > > > debate about which is best), whichever you decide is best the surge tank > > > must have a fuel tank return as well and I think all 1600 tanks have > > > provision for a return line even though most of them didn't have one > fitted > > > from the engine bay. My '70 has the return line & my '72 didn't but it > did > > > have a rubber bung over the inlet as I think this is pretty common. Make > > > sure that you rubber fuel lines are designated for EFI use, and new > stuff > > > can be a bit exy but wrecked R31's have heaps of it in the engine bay > and > > > it's good quality stuff if you want a good cheaper solution. The R31 EFI > HP > > > filter setup is also a very easy to fit to a 1600 as it uses flexible > hose > > > fittings and a bracket that bolts onto a strut tower - we've used it on > many > > > turbo conversions and never had a problem with fuel supply. > > > > > > regards > > > Terry > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] Behalf Of Andrew > > > Greenbury > > > Sent: Thursday, 29 January 2004 9:48 AM > > > To: [EMAIL PROTECTED] > > > Subject: Re: upgrading fuel system > > > > > > > > > Gday Chris, > > > > > > The tank supply fitting is 1/4in, and return is 5/16in. If you look in > an > > > empty tank the supply fitting picks up from the bottom of the tank, > while > > > the return fitting is at a much higher level, so despite its smaller dia > I > > > used the original supply fitting into 5/16 pipe for my efi supply. > > > > > > Andrew > > > > > > > > > > > > > > > > > > > > > > > > > > > > > --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[EMAIL PROTECTED]/ ---------------------------------------------------------------------
