Conversion to EFI : Fuel system

[Shannen Durphey]

A power steering fluid cooler from an 88 or so Olds Delta 88 has 5/16"
inlet and outlet, and is barbed to retain hoses under pressure.  Works
good in fuel return line.
 
Shannen 

Ward Spoonemore wrote:
> 
> You guys do know there are a lot of cars out there that do not have fuel
> return lines, Chrysler, and Ford for example use pressure regulators that
> are in the tank.
> 
> You may be overlooking the fact that the fuel in the tank will reach
> something near underhood temperatures aft a relatively short time. Probably
> about 150 Deg F. Common. (but wrong) thinking is that cold fuel will be
> coming from the tank, Maybe in the Arctic. Obviously if you circulate a lot
> of fuel through a hot environment the heat will transfer.
> 
> New car makers have a major probable with Carbon Can systems loading with
> hot vapor from the tank. The ECM/PCM will enable can purge when it thinks it
> can get away with a period of rich fuel, If you look at the Short term fuel
> correction value you can see the engine going very rich until the purge is
> done or disabled. using a late Camaro as an example the pressure in the fuel
> tank will get high enough to blow the fuel cap out of your hand when
> removing the fuel tank cap !
> 
> So anything you can do to reduce fuel heating will make the emission problem
> more manageable,
> 
> Ward
> 
> > -----Original Message-----
> > From: owner-diy_efi at efi332.eng.ohio-state.edu
> > [mailto:owner-diy_efi at efi332.eng.ohio-state.edu]On Behalf Of
> > Guenther,Max
> > Sent: Friday, March 19, 1999 7:11 AM
> > To: 'diy_efi at efi332.eng.ohio-state.edu'
> > Subject: RE: Conversion to EFI : Fuel system
> >
> >
> > What are you planning on using for the reserve tank? Thats my next and
> > hopefully final hurdle.  Some guys here had suggested using part of a
> > holley float bowl.
> > Max
> >
> > >----------
> > >From:        Mitch[SMTP:ozyman at employees.org]
> > >Reply To:    diy_efi at efi332.eng.ohio-state.edu
> > >Sent:        Friday, March 19, 1999 9:16 AM
> > >To:  diy_efi at efi332.eng.ohio-state.edu; diy_efi at efi332.eng.ohio-state.edu
> > >Subject:     Re: Conversion to EFI : Fuel system
> > >
> > >At 09:39 PM 3/18/99 -0500, Shannen Durphey wrote:
> > >>First off, I haven't read any of these books, but Bruce gives
> > >>practical advice, good for following.
> > >
> > >Yes.  I like Bruce's advice.  In addition to Knell's way, I am
> > also talking
> > >to a local friend of mine who has done this slightly differently.  So I
> > >want to understand all angles.
> > >
> > >>Why not find an EFI factory tank that will fit under the Elky?
> > >
> > >I might be able to do this for the Malibu (not the El Camino, it's not
> > >getting the TBI), for considerable cost.  But if I'm going to
> > put a V8 into
> > >a 240Z I'm going to have to solve this eventually.  That's why I call the
> > >Malibu an EFI mule; I intend to experiment on it.
> > >
> > >>'Sides, the stock 66 tank doesn't have the charcoal canister
> > >>connections or return line, AFAIK.
> > >
> > >Doesn't have any of the necessary lines.  So you remove the
> > sender assembly
> > >and machine new holes.
> > >
> > >>  And if you have safety inspections
> > >>where you live, seeing non stock fuel system might make inspectors
> > >>nervous.
> > >
> > >Luckily, the State of California cares nothing about safety (unless you
> > >want to light up a smoke in a bar).  All they care about are
> > emissions and
> > >the Malibu is exempt.
> > >
> > >Thanks for the replies.
> > >
> > >Mitch
> > >
> > >
> >