The reason people resort to silicone is because this is a extremely
notorious spot for oil leaks. Typically available seals warp easily. Gary is
right. Spend a little more for the good ones.

> wrote in message
oups.com...
> when I pulled the engine, I found red silicone
> on all pushrod tube o-rings. Red silicone between
> barrels and the case.
>
> Is this standard procedure on these engines? 1700cc
> 1972 bus.
>
> Jen
>