Thread: S/O or ?
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Old 10-29-2011, 12:42 AM
PDUB PDUB is offline
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Join Date: Jul 2003
Cobra Make, Engine: Unique Motorcars 289 USRRC, 1964 289 stroked to 331, toploader
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Exclamation Center-oiler
It looks like a side-oiler casting, but it was definitely machined as a center-oiler... probably was a marine or industrial block. It was cast on September 7, 1965 per the 5J7 date code. It is cross-bolted on the three center mains. Looks like it is already 30 over...

Still could be a nice piece if it is in good shape. Post photos of the sides of the block if you can...
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Paul

Unique Motorcars 289 USRRC
1964 289 5-bolt block
Toploader and 3.31 rear
Last edited by PDUB; 10-29-2011 at 12:46 AM..
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