@innuendo found the list number, but the internet ain't giving up any secrets

The block is an 11QT...

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Quote Originally Posted by HK1837 View Post
Musn't be the original heads and inlet for the block if its an 11QT block as all ADR27A 11QT engines were TH pattern. Unless of course it has a Dellow or CRS Chev/TH to aussie 3/4spd box bellhousing. Most likely a HQ Statesman engine with later heads and inlet on it.
What other info would you require?