FYI for the Ford fans.
James D. from Houston posted this on the MG Enthusiasts site:
<<The Aluminum Block F302 weighs 98lbs dry with the 1018 4-bolt splayed main
caps. The SVO 4-bolt main A4/R302 block weighs in at 160lbs dry with the
Nodular Iron 4-bolt splayed main caps. Newest on the list is the Ford
Sportsman 302 8.2" deck blocks which have the Beefy lower end except it has
the 2-bolt main caps.
Aluminum Heads without the rocker arms weigh about 22lbs each. By Using the
F302 aluminum block and a set of Aluminum heads, 112lbs can be shaved; only
your wallet and your goal can justify it.
$800 for the 2-bolt Sportsman
$1400 for the SVO 4-bolt
$3000 for the aluminum block.
The SVO 4-bolt R302 and the Aluminum F302 block's have siamese cylinder
bores. (The Aluminum block has replaceable cylinder sleeves)
Late '60s 302's had the beefy lower end as did the late '70s blocks and the
'86 GT block. The 2-bolt block can be beefed up by using stronger main caps
and/or a stud girdle. The Girdles are made out of either aluminum or tool
steel.>>
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