Inline Tube had the aluminum 70 Olds W-31, and there was also an aluminum 70 W-30 442.
There's a 1970 Trans Am on E-Bay right now with an aluminum Ram Air V. We were at Mecum this year and watched it go through.
Check out this 1962 Catalina with an all aluminum 389.
http://cgi.ebay.com/ebaymotors/Pontiac-C...5fCarsQ5fTrucks
Here's another Olds DOHC engine from the museum.
