In a message dated 9/20/00, larryhoy@prodigy.net writes:
> >The Ford iron block weighs 127 pounds, while the aluminum version of the
> same
> block from Ford weighs 97 pounds (per the FMS catalog), for a weight
savings
> >of 30 pounds.
>
> Dan, that doesn't look right. I think the weight ratio between aluminum
(6061),
> and Iron (or at least mild steel) is about 2.9 to 1. That is, an item
made of
> aluminum weighing 1 pound would weigh 2.9 pounds if made of mild steel.
> That would mean the 97lb aluminum block would weigh 281lbs if made of
steel;
> or the other way around, the 127lb iron block would weigh 44lbs.
> Can anyone out there verify this?
Larry,
You are correct about the relative densities of the 2 metals, but the FMS
block has steel sleeves and a bunch of extra material to strengthen the block
for racing use. This accounts for the "heavy" aluminum block.
Thanks,
Jim Chenoweth
Lancaster, Ohio, USA
Mailto: fj40jim@aol.com
Ph. 740.862.2604
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