triumphs
[Top] [All Lists]

Re: Lead Substitutes

To: <erl@unix.mail.virginia.edu>
Subject: Re: Lead Substitutes
From: "Jeff McNeal" <jmcneal@ohms.com>
Date: Wed, 8 Mar 2000 07:27:53 -0800charset="iso-8859-1"
Cc: "Paul Brandsema" <lbc61tr4@usa.net>, "Triumph Email List" <triumphs@autox.team.net>
References: <Pine.A41.4.05.10003080921060.58536-100000@node3.unix.Virginia.EDU>
Assuming that you're correct in all this, what if there IS no AMOCO service
stations in your area.  What then?  I've lived in California all my life and
I can't recall ever seeing one.

----- Original Message -----
From: <erl@unix.mail.virginia.edu>
To: Jeff McNeal <jmcneal@ohms.com>
Cc: Paul Brandsema <lbc61tr4@usa.net>; Triumph Email List
<triumphs@autox.team.net>
Sent: Wednesday, March 08, 2000 6:40 AM
Subject: Re: Lead Substitutes


>
> This tread keeps on truckin'!  When I got my first TR, many years ago, the
> Triumph-sponsored race team, Group 44, headed by Bob Tullius, was in my
> neighborhood, and I became well acquainted with him.  His recommendation
> at that time, and he never changed, was, "Always use AMOCO unleaded.  It
> avoids the lead buildup on your valves."  AMOCO was always a bit more
> expensive, because they had to carefully refine their gas, while
> cheapsters like ESSO/EXXON used additives like lead.  It's called "Hide a
> lousy product with a fresh coat of paint."  Since Bob's advice, I have
> always used the unleaded.  I have never had valves "pocket," the prime
> asserted problem, no valves burning, etc.  The heads of cars that I have
> pulled, that have consistantly been run on leaded gas, have huge deposits
> of lead in the combustion chambers, on the valves, and everywhere.  I have
> seen SU and Stromburg carbs gummed up with all the additives, etc.
>
> The problem of "pocketing" of valves on the British cars lies with the old
> style chickenwire+oil aircleaners.   They would keep out any particulate
> matter larger than a Junebug.  The owner's manual says, "Every 5,000
> miles, rinse filter with clean gasoline, and spray used motor oil on
> the mesh." Real "HiTech."
>
> Use a decent set of paper element aircleaners, and you will have no
> problems.  All the other crap in re. special gas additives, putting in
> Stellite valve seats and any other "fix" is just to sell you something.
>
>
>
> On Tue, 7 Mar 2000, Jeff McNeal wrote:
>
> >
> > Paul,
> >
> > The PO had new OEM valves installed on my Spitfire that he purchased
from
> > British Leyland many years ago.  In other words, they're made for leaded
> > fuel only.  He only put about 3k on them before selling the car to me
> > recently, and he uses the cheap, off the shelf lead substitute stuff.
The
> > car runs beautifully.
> >
> > I haven't put any gas in yet, but I will be soon, and I'll be going the
STP
> > (or other off the shelf) route.
> >
> > What I want to know is, after running lead substitute for 20k or so,
will
> > the valves and seats have enough build up on them to start using
unleaded
> > without any ill effects like so many others have reported with cars that
> > originally ran on premium leaded, but then moved over to the unleaded
> > petrol?
> >
> > Best wishes,
> >
> > Jeff
> >
> >
> > ----- Original Message -----
> > From: Paul Brandsema <lbc61tr4@usa.net>
> > To: Triumph Email List <triumphs@autox.team.net>
> > Sent: Tuesday, March 07, 2000 1:26 PM
> > Subject: Lead Substitutes
> >
> >
> > >
> > > List,
> > >
> > > What are your preferences for a lead gas substitute?  I've been using
the
> > > relead product sold by Moss, but need to order more.  Is there a
> > difference
> > > between their product and a product sold by STP?  (other than one
being
> > off
> > > the shelf and $6 less.
> > >
> > > Thanks,
> > > Paul Brandsema
> > > 61 TR4  (almost ready for paint)
> > >
> > > Get free email and a permanent address at
http://www.netaddress.com/?N=1
> > >
> >
> >
>
> James A. Ruffner
>


<Prev in Thread] Current Thread [Next in Thread>