Add to what John pointed out the fact that there some new
Hypereutectic casting alloys available and I think the liner
concern can be addressed by design >if< that was part of the
design specifications. What they can do these days.......
I remember clearly when it was impossible to balance
3 & 5 cylinder engines and a 180 crank would tear a V-8 apart.
John Goodman wrote:
>
> "This new GM engine has 256 cubic inches, and gives 275 ft. lbs. of
> torque at 3600 rpm on 87 pump gas. A fine figure that reflects modern
> four-valve design."
>
> Ardun Bill:
>
> If memory serves me, this new generation GM inline six also comes in
> inline five cylinder configuration. I don't remember the displacement
> but the engine block and head appeared identical to the six.
>
> This new aluminum block is extremely robust. Cylinder distortion aside,
> the aluminum reinforcement available to the thin wall cast liner is much
> more substantial than that found in other production engines. As you
> have correctly stated, this engine was designed, from the beginning, to
> be a heavy duty unit. It is hoped that it will replace many current V8
> applications. From what I see, it will. These new I-6 and I-5 engines
> should prove interesting for racing purposes.
>
> John
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