rebuilding a slant 6 engine

I am rebuilding a 225 slant 6 engine in a 73 Valiant because it needs
new oil control rings.
However, when I try to pull the piston out of the block, I can't do
it- the rod gets stuck at the bottom of the cylinder.

There are little extra lips of metal on either side of the rod that
prevent the rod from fitting into the bore and being pulled out.

The block and crank are still in the car, so it's not like it would be
that easy to just grind these off or something.

Has anyone run into this, rebuilding an engine of any kind? What did
you do about it?

Thanks.

njot wrote:

> I am rebuilding a 225 slant 6 engine in a 73 Valiant because it needs
> new oil control rings.
> However, when I try to pull the piston out of the block, I can't do
> it- the rod gets stuck at the bottom of the cylinder.
>
> There are little extra lips of metal on either side of the rod that
> prevent the rod from fitting into the bore and being pulled out.
>
> The block and crank are still in the car, so it's not like it would be
> that easy to just grind these off or something.
>
> Has anyone run into this, rebuilding an engine of any kind? What did
> you do about it?
>
> Thanks.
>

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