<VV> What is squish?

[Dave Keillor]

https://en.wikipedia.org/wiki/Squish_(piston_engine)


Dave Keillor

On Mon, Aug 10, 2015 at 5:09 PM, Matt Nall via VirtualVairs <
virtualvairs at corvair.org> wrote:

> To add to what mark wrote.....which by the way is "Compression
> ratio".......
>
>
> "Squish"  in a Corvair head with the STEP  in it...as do most  engines
> versus an "open Chamber" [ in our case  Smog heads with domed pistons  and
> some early low hp engines ]
>
>
> Is the distance between the "step"  and the top of the piston.......
> factory is usually approx. 0.080"
>
>
> By  decreasing this to approx 0.040"   you  get less pinging......yet have
> higher compression!  win win!
>
>
> Matt Nall
> Charleston, Oregon
> http://tinyurl.com/The-Corvair-Patio
>
> http://tinyurl.com/Matts-Tech-Pages
>
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