durability of JH block internals and going turbo

[rocco16v@netzero.net (L F)]

Talk to a machinist.

Larry
----- Original Message -----
From: "John C. Worden" <scirocco@powerlink.net>
To: <scirocco-l@scirocco.org>
Sent: Thursday, October 31, 2002 5:10 PM
Subject: Re: durability of JH block internals and going turbo


Although I'm no expert,  I would have to agree with Brian because
everything I about this I've heard, be it in books, internet or people
who build motors refer to it as "rifle drilling."

John



At 04:34 PM 10/31/02 -0800, L F wrote:

>Sorry, again, it's called "gun drilling".
>Ask anyone in the industrial machine tool field.
>(Pauter is incorrect or has been mis-quoted)
>
>Larry
>
>
>
>The technique for supplying oil to the wrist pin by drilling "up" the rod
is
>in fact known by everyone as Rifle Drilling.
>
>Hence the language in the link Marc referenced:
>
>"Pauter offers the option to "rifle drill" the rods so that the wrist pin
is
>fed pressurized oil directly from the rod bearing."
>
>Brian Honnold
>
>
> > To: Marc scirocco Québec; scirocco-l@scirocco.org
> > Subject: Re: durability of JH block internals and going turbo
> >
> >
> > Marc-
> >   By the way, it's not called rifle drilling, it's known as
> > gun drilling.
> > (and you wouldn't need to gun drill the rods anyway....)
> > Larry
> >
> > > This:
> > > <<http://e30m3performance.com/installs/2.5_rebuild/rods/rods2.htm>>
> > > "to "rifle drill" the rods so that the wrist pin is
> > > fed pressurized oil directly from the rod bearing"
> > >
> > > Cheers.
> > >
> > > Marc
> >
> >


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