IO-470 parts book

[Jerry J. Wass]

Anybody got a Cont. parts book for the IO-470 series engines--I have
piston #--
need to know the compression ratio it produces---#627738

Thanks

Jerry

[jls]

"Jerry J. Wass" > wrote in message
...
> Anybody got a Cont. parts book for the IO-470 series engines--I have
> piston #--
> need to know the compression ratio it produces---#627738
>
> Thanks
>
> Jerry
>

Jerry, the old parts catalog I have for the O-470 shows this piston as 8.6
to 1 compression ratio.

Lower compression pistons on the O-470 are 8.0 to 1 CR.

http://dougnlina.home.mindspring.com/PDFs/IO-470.pdf