Re: [Chrysler300] 61 motor rebuild

[William Huff <whuff@xxxxxxxxxx>]

David,

I can't speak to the possible lack of originality.  I can say that in 
my experience, most MOPAR big blocks that run well but leave a little 
smoke either at start up or on deceleration need nothing more than 
replacement valve seals.  The old umbrella seals tend to get hard and 
crack or wallow out and loosen around the valve stem.  Smoke on 
acceleration is probably oil ring seal.

Both replacing valve seals and sealing external engine leaks can all 
be done in the engine bay without removing the engine.  Painting the 
main pieces of valve covers, water pump cover and intake manifold can 
also be done during the resealing process.  Of course removing the 
engine makes it easier, if you have the wherewithal and the urge to 
do so.  If you do remove the engine, do not forget to replace all 
"freeze" plugs or "Welch" plugs or whatever we are calling them 
today, including the two between the engine and transmission.

Bill Huff

At 11/9/200712:32 PM, david shapiro wrote:
>  Question for group, I have a decent running G with 112,000 thousand
>miles. the motor smokes some, not a lot but noticable, leaks a 
>little of everything
>and of course looks fairly shabby. the rest of the car looks fine.
>Was going to pull the motor and rebuild it, hardened seats, new gakets,
>timing chain, ect. ect., paint and reinstall. I have gotten some flack
>about this from different sources saying that doing this to an original
>motor will detract from "authenticity" and devalue the car. Any 
>truth to this??
>I await the advice from the sages.
>              Thanks
>                        In a fog of smoke
>
>[Non-text portions of this message have been removed]
>
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