Re: [Chrysler300] The 392 Hemi

[paul <paulholm@xxxxxxxxxxxxx>]

On 10/3/2013 6:12 PM, tomlin wrote:
>
>
> Guys, I know there are gear heads out there more in tune to what is
> happening in the motor world than I.  AND in a nod to the internet,
> I have done some searching, etc, but wish to gather some ideas from
> those whose opinions I value more than the "unknowns". The new 392
> cu. in. V-8 by Chrysler is obviously different than the 392 of 1958
> 300-D vintage.  With the aluminum heads and cast iron block, how are
> the new engines over the long haul for maintaining the seal?
> Different expansion ratios and all that.  Early efforts seemed to
> guarantee a head seal leak sooner or later, but I am told the new
> gaskets are developed to where that is a thing of the past. Next,
> does anyone own and drive a new Dodge Challenger SRT8 with the 392?
> If so what are your impressions?  I have test driven one, like what
> I felt, etc, but obviously did not get to really get "into" it for
> the test drive. Much thanks for your considered opinions.  I am
> hoping to add to my store of knowledge and make a considered decision
> in the next very few days.

> Tim Tomlinson W. Central IL

my thinking is that they are using a multi-layer sandwich type head
gasket, that was the 'fix' for the first generation Neon 4 popper.

Test Drive Impressions.  I think the computer in the new cars 'protect'
the motor from lead foots for the first 5000-10000 miles. SO it really
doesn't hit it and git it until it passes the preset 'breakin' mileage.
I have read reports where even the gas mileage improved once that point
was hit.

-- 
Paul Holmgren
These days, I spend a lot of time thinking about the
hereafter . . . I go  somewhere to get something, and
then wonder what I'm  hereafter


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