adallak Posted May 26, 2008 Report Share Posted May 26, 2008 When was Northstar improved by means of stronger (longer) headbolts? As far as I remember it was 2004. What kind of changes were made in 2000? Thank you. The saddest thing in life is wasted talent Link to comment Share on other sites More sharing options...
Eric Posted May 26, 2008 Report Share Posted May 26, 2008 Interesting article on Northstar here. Link to comment Share on other sites More sharing options...
JimD Posted May 26, 2008 Report Share Posted May 26, 2008 The engine was practically redesigned for the 2000 model cars. Including a new part number head bolt (pitch change). And the head bolt pitch was changed again during the 2004 model year production. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
Ranger Posted May 26, 2008 Report Share Posted May 26, 2008 2000 also got roller cam followers. Pre-2000 had flat tappet lifters. Link to comment Share on other sites More sharing options...
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