Steve,
I thought we were talking about engine block differences. At least I was.
Here is a link that I found that gives some of the various non-block related
differences, it also claims the block p/n is not unique to the hipo 289...
http://members.tripod.com/lyc_42/fordv8/hipo/hipo.htm
Frank
> -----Original Message-----
> From: Steve Laifman [mailto:SLaifman@SoCal.RR.com]
> Sent: Tuesday, May 15, 2001 10:38 PM
> To: Frank Marrone
> Cc: Tom Witt; Tiger List
> Subject: Re: Engine Block I.D. needed
>
>
> Frank Marrone wrote:
> >
> > I thought that the only difference between a hi-po block and a
> regular block
> > was that hi-po blocks were hand picked from the lot of
> production blocks for
> > thicker casting (visual?) I though the only difference was a paint mark
> > somewhere on the block, bell housing area? Maybe that is just
> urban legend
> > but i'm pretty sure they have the same casting numbers as regular 289
> > blocks. I don't think you will be able to tell if it is a
> hi-po from the
> > casting numbers.
> >
> > Frank
>
> Many more differences, including a specially selected crankshaft that
> came out of heat treat with higher strength from a Brinnel hardness
> test. Marked orange and sent to HiPo line.
> --
> Steve Laifman < Find out what is most >
> B9472289 < important in your life >
> < and don't let it get away!>
> <SLaifman@SoCal.RR.com>
> <http://www.TigersUnited.com/gallery/SteveLaifman.asp>
>
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