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Old January 7th 18, 02:38 PM posted to rec.autos.makers.chrysler
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Default Is the Chrysler 3.5 engine any good?

On Sunday, June 27, 2004 at 9:22:42 PM UTC-4, Steve wrote:
> Hmmm... wrote:
>
> > Can you elaborate on the "radical" design changes between the 1st and 2nd
> > generation LH 3.5L? Just curious. I think I read something about 1st
> > generation being non-interference, and that was changed in the 2nd
> > generation?
> >

>
>
> The biggest change is that the first-genration had a cast nickel/iron
> block, the second gen has an aluminum block with nickel/iron liners. The
> second gen also has coil-on-plug ignition, and is apparently now an
> interference engine due to changes either in the combustion chamber or
> the piston compression height. However, very little (essentially
> nothing) changed with the rotating assembly- still a forged steel crank,
> nice long rods swinging short "slipper" pistons with a relatively low
> bob-weight (some other makers stick with taller pistons and shorten the
> RODS which leads to greater side-loading on the cylinder walls and
> higher stresses in the rod itself), cross-bolted mains (I believe with a
> full block girdle in the aluminum version, not necessary in the iron
> version). All-in-all its one HELL of a fine engine. You don't hear much
> about it because, like the 318, 383, 440, and slant-six before it, it
> just goes out and does its job for hundreds of thousands of miles
> without fancy advertizing.


You are correct my mopar man....................
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