Yep, the additive I bought says "FOR OFF-ROAD USE
ONLY"
Dan
----- Original Message -----
Sent: Friday, November 10, 2006 3:15
PM
Subject: RE: IML: Lead Additive
According to law, all lead additives were removed from standard motor
fuels, in 1989, the only fuels that have lead additives now are aircraft
(100LL), and special racing fuels.Dave.
--------------
Original message -------------- From: "Kristian Oyen" <kandkoyen@xxxxxxxxxxxx>
> I would have thought that the hardened valve-seats came earlier
than '73-- I > may be wrong, but wasn't there a change in
fuel-requirements some where in > the middle of 1969 production? I'm
sure someone here will know. I thought > the unleaded fuel was needed
across the board in about 1970. > My '63 and '67 Imps get a diet of a
few gallons of leaded premium- sold in > several places here as
racing-gas- and then the rest of the tank gets topped > off with 92
or 93 unleaded premium; they both run well with no pinging. I >
always carry either five or ten gallons of the racing-fuel in cans when I
> travel and feed it to the tank as needed. > And I add my
thanks, admiration, and appreciation to those who have fought, & gt;
were injured, or died to preserve our freedoms. > Kristian Oyen
> > > -----Original Message----- > From:
mailing-list-owner@xxxxxxxxxxxxxxxx >
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of Tim Durrer
> Sent: Friday, November 10, 2006 4:22 PM > To:
mailing-list@xxxxxxxxxxxxxxxx > Subject: Re: IML: Lead Additive
> > The owners manual for my 73 states you may use both leaded
or unleaded. The > production date on the vehicle is 11/72. Not sure
of the casting numbers or > if this version of 440 was used across
the board in other Mopars. > > Tim > > ---
sosmi@xxxxxxxxxxx wrote: > > > According to DAS BOOK,
hardened valve seats, came out around 74, the > > casting #3769902
the 73, 400-440 motor home castings 3751213, could > > also have
hardened seats.The castings, 3769902,3769975,4006452, all > > have
hardene d seats.Ya'll have a nice day, Dave. > > > >
-------------- Original message -------------- > > From: aeyn
> > > > > Regarding this subject.
> > > Does any one recall when Chrysler started to put >
> the hardened > > > valce seats in the engines. I remember
something > > about they > > > started gradually
putting in the hardened seats > > PRIOR to 1975 in > >
> differnet model lines. > > > > > > ƹn.
> > > > > > > > > --- Dan wrote:
> > > > > > > There were a number of posts
recently about lead > > additives but > > > > I
don't > > > > remember anything about "amounts per gallon".
I > > followed the > > > > directions on >
> > > the product I bought of 1/2 ounce per 5 gallons. >
> Considering a > > > > half ounce is > > >
> such a small amount, does this sound right? > > Also, can
someomne > > > > tell me what > > > > might
happen toa 440 or 413 if it is run with > > premium unleaded
> > > > gas and no > > > > lead additive? If
it is harmful, would it be > > immediate or > > >
> gradual over time? > > > > > > > > I'd
also like to join in with thanks to those of > > you who fought
> > > > for our > > > > freedom. The
character and courage of men and > > women like you is >
> > > responsible > > > > for the freedoms we all
enjoy today. > > > > > > > > Thanks You!
> > > > > > > > Dan Collins > >
> > 67 Crown Coupe > > > > > > > >
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