Bruce Nunnally Posted July 17, 2016 Report Share Posted July 17, 2016 Mailbag: is my 1993 allante one of the northstar engine have a headbolt problem Yes, the 1993 Allante offered the 4.6L DOHC Northstar power train. No, you may or may not ever have a head bolt issue with it. How is your Allante doing so far? Quote Bruce 2016 Cadillac ATS-V gray/black Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
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