Hi Mark:
Interesting topic. I had the problem in my boot too - but not in the cockpit
with the top up, strangely. It was a problem for my co-pilote because it
made all her clothes etc in the boot smell like exhaust. (Not a good thing
if you want/need a co-pilot!)
But I think you nailed the cause - leaks into the boot area. Before I got my
engine rebuilt, it smoked pretty badly. After a long road trip, there was a
pattern of black oily soot over the bumper, tail lights and boot lid up to
the "Sunbeam" letters. There is definitely a negative pressure area directly
behind the car that draws the exhaust fumes up along the surface of the boot
from the bottom up. The joint between the boot lid and the body across the
bottom and up the sides is really exposed to these fumes, and if there is a
gap in this area, fumes will get in.
I installed a new boot gasket, and found areas that were not sealing by
closing the lid on a strip of thick paper and trying to slide it along. I
had an open section on the passenger side lower corner, and laid a thin
piece of household weather strip along the sealing edge. There were a few
other areas that allowed the paper to move, and I sealed them the same way.
There were also some holes in the floor of the boot (not rust!) such as
directly under the lid latch, and in the fender wells under the fuel tanks.
(Drain holes or some such I think.) I filled those with that black body
putty that comes in long round strips and can be molded to stick in and over
these holes. (We used to call it "dum dum" in the olden days!).
Best way to find these holes is to lay under the boot area and have your
co-pilot move a really bright shop light around in the trunk.
Best of luck with yours, Mark!
Dave
----- Original Message -----
From: <CoolVT@aol.com>
To: <michael.s.king@gmail.com>; <owain.lloyd@gmail.com>
Cc: <Tigers@autox.team.net>
Sent: Saturday, October 23, 2010 8:32 PM
Subject: Re: [Tigers] Exhaust smell
> Seems there must be some solution. If this was happening with new cars
> I'm
> sure they would have been blasted by car magazines that tested them.
>
>
> In a message dated 10/23/2010 7:06:01 P.M. Eastern Daylight Time,
> michael.s.king@gmail.com writes:
>
> I have this problem in my alpines and tigers, i think the exhuast gasses
> get sucked back though the boot (trunk) area.. if you have a MKIA open
> the
> fresh air vents that helps.. but either way.. seems a comon issue to all
> older cars.. hey.. what about the fuel smell from the engine bay... with
> windows up and vents closed with the roof on i think i could almost pass
> out
> with that mix.. i guess roof down is the best way.. otherwise try and get
> fresh air in ( windows slightly cranked hardtop indows proped open or
> scuttle
> vents open.. i have no solutitons to offer nothing i have tried has
> worked.
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