tpi for an early jaguar

[Bob Wooten]

Personally i would try blowing through the lines.  if they are not plugged
then don't worry about them.  if they are then get some tube on a roll &
replace it.  a simple vent on the tank is really all that is needed.  you
mentioned that there were existing lines that went up to/near the filler
neck.  if that is the case then there is your vent (provided you have the
proper cap for the tank).  some caps are vented & some are not.  it is
preferable not to have a vented cap (aka the vent is in the canister), so
that gas can not splash out.  i would imagine that this is probably not an
issue w/your filler caps on the top of the rear quarter (if i recall
right).  another option is to get the canister out of another car & mount
is somewhere confinement & then plumb the vent lines to it.  the canister
has charcoal in it.  charcoal does a great job of scrubbing hydrocarbons,
so it does not become an issue.  

Bob Wooten
 


> [Original Message]
> From: Diane Stowe <DianeS at speakeasy.org>
> To: <gmecm at diy-efi.org>
> Date: 12/8/00 11:11:01 PM
> Subject: Re: tpi for an early jaguar
>
> Thanks, I was going to run a new metal line to the rear, the same size as
> the return off the tpi. What size is that btw ? (I haven't had my tpi
> delivered yet), and then to a return line switch in the trunk, then to the
> appropriate tank in use via the port in the middle/top of the tank.
> 
> however as I ponder the increased fuel turbulence in the tank, I can see
> where there would be more fumes created in each tank. I really would like
to
> have a proper vent line running to a charcoal canister, etc. like a real
car
> would.
> in fact I think I'll run a new vent line too, I am sure my old metal vent
> line underneath the car is totally and hopelessly plugged.
> 
> I have to find and rip out all of the totally junk and absurd jaguar vent
> tubing in the trunk, it would give me great pleasure.
> 
> I do think that there is a smaller second vent line at the top, perhaps
next
> to the fuel fillers ?, (all of my tanks are in the car, and the manuals
are
> not much help with this). even though this is hard work, it's got to be
> better than 3 fuel pumps and all of the other stock jaguar nonsense. I
> cannot imagine fixing newer jags, I saw a few at a salvage yard half torn
> apart, my '72 has 1/48 of the wiring.
> 
> if anyone has any other ideas please let me know.
> 
> thanks, Diane.
> ----- Original Message -----
> From: <Tedscj at aol.com>
> To: <gmecm at diy-efi.org>
> Sent: Friday, December 08, 2000 8:44 PM
> Subject: Re: tpi for an early jaguar
> 
> 
> > In a message dated 12/8/00 11:39:48 AM Eastern Standard Time,
> > romans at starstream.net writes:
> >
> > > DON'T use the vent lines for return!  They barely work as vents!
> > >  If you like driving a Molotov Cocktail go ahead.
> > >  I had problems just keeping the vent lines on as vents on my
> > >  74XJ12L!
> > >  Please figure something else out!  Like maybe pulling a set of
> > >  factory return lines of a later MY jag.
> > >  Mark
> >
> > I used the vent line going back to the trunk, but I bypassed the rest. 
If
> > you use the vent line that goes to the rear of the car and then use NEW
> line
> > from there to the vents in the tanks (only a few feet), you will be
fine.
> > There is a second vent in the fuel fillers.  I believe these are the
ones
> > that run to the interior of the car and give you that gas smell (the
> British
> > are brilliant, aren't they!?!).
> > Sorry I wasn't more detailed the first time.
> > Ted
> >
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> 
>
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--- Bob Wooten
--- r71chevy at earthlink.net
--- 71-91 Camaro


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