At 10:40 PM 10/28/97 -0500, Malaboge@aol.com wrote:
>I have never done this myself, but have actually
>had my hands on a running motor that had about 3/8" of the top of the block
>milled off. Stock heigth liners were used, and from the outside, the head
>appeared stockish thickness. The trick here was that the head was counter
>bored to accept the liners. The theory was that the motor had very high
>compression, but because the head was "stepped" inside, it maintained
>superior stiffness and would "hold" the high compression.
I'd heard of this being possible, but I'd never known anyone who'd
actually seen a motor like this. I'd assumed that it was an urban
legend, and I'm a bit surprised that there's enough metal surrounding
the combustion chamber to do it. It would be quite an interesting
"cheater" motor, though!
|