Re: IML: Lead Additive

[sosmi@xxxxxxxxxxx]

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 hardened seats.Ya'll have a nice day, Dave.

 

-------------- Original message --------------
From: aeyn <mr85000@xxxxxxxxx>

> 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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