LT1 LOW FUEL PRESSURE

[CSH-HQ]

FI hose that softens?, signifigantly?, extrenally ribbed?.
Grumpy


>I don't think a restriction would have caused a good
>piece of FI hose to rupture.  Fuel hose does get soft
>after time, so I wouldn't worry about it.  
>
>Squash
>
>--- Luke Joseph <LJoseph at RFMD.com> wrote:
>> I pulled the sending unit out last night and sure
>> enough the hose connecting
>> the pump to the fuel line had split.  It was a real
>> soft spongy type of
>> hose.  My guess is that they purposely made these
>> hoses to blow out first in
>> case of high pressure.  That way you have the fuel
>> spill contained in the
>> tank.  Anyway, I replaced it with some F.I. hose and
>> some hose clamps.  The
>> question now is, if there is a restriction in the
>> supply/return large enough
>> to cause this or is it just a piece of crap hose to
>> start with.  I think I
>> will do the flow test first in to a gas can on the
>> supply side and maybe do
>> some thing similar on the return to check for any
>> large restrictions.  By
>> the way the return is 5/16 all the way back until it
>> gets to the gas tank,
>> there it switches over to the 1/4 line, which is the
>> return on the sending
>> unit.  Looks like many of you hit the nail right on
>> the head THANKS FOR THE
>> HELP!			
>> 					Luke
>> > -----Original Message-----
>> > From:	Shannen Durphey [SMTP:shannen at grolen.com]
>> > Sent:	Tuesday, October 19, 1999 8:22 PM
>> > To:	gmecm at efi332.eng.ohio-state.edu
>> > Subject:	Re: LT1 LOW FUEL PRESSURE
>> > 
>> > David A. Cooley wrote:
>> > > 
>> > 
>> > Also, the isolator used on some systems is an oval
>> shaped
>> > > >piece of plastic that slips over the sender and
>> pump.  It can leak
>> > > >arounf the pump/isolator or isolator/sender
>> union.  I found enough of
>> > > >these that every car equipped with one gets a
>> new part if the pump's
>> > > >replaced.
>> > > 
>> > > With the problems the GN's had with the
>> isolator, Every pump I replaced
>> > I
>> > > threw the isolator away and replaced it with a
>> short piece of FI hose
>> > and 2
>> > > metal clamps!
>> > > 
>> > That's the best move.  Some people really notice
>> the noise the pump
>> > can make.  Amazing how someone who can't hear will
>> complain about the
>> > tiniest of squeaks and rattles.  Just drives a man
>> nuts.
>> > Shannen
>> > 
>> > >
>>
>===========================================================
>> > >             David Cooley N5XMT          
>> Internet: N5XMT at bellsouth.net
>> > >       Packet: N5XMT at KQ4LO.#INT.NC.USA.NA  
>> T.A.P.R. Member #7068
>> > >     Sponges grow in the ocean... Wonder how deep
>> it would be if they
>> > didn't?!
>> > >
>>
>===========================================================
>> 
>
>
>=====
>
>__________________________________________________
>Do You Yahoo!?
>Bid and sell for free at http://auctions.yahoo.com
>