Thread: Cadillac STS
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Old October 10th, 2003, 10:36 AM
fitz3820 fitz3820 is offline
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They updated the Northstar a few years ago and it will make the same HP as the older version but can do it with 87 octane. If you do a search you can probably find out which year it was.

Mark F. 87 GN 11.9 @ 115
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