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
Frank,
Brinnel hardness tests of production cranks were used to hand select the
higher strength cranks for the HiPo, along with the caps, cams, springs,
balance. All the horsepower wasn't from a label.
--
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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