A normal 45-degree, three-angle valve job employs 30/45/60-degree angles. To compare the flow increases, Super Stock racer and engine builder Bob Lambeck graciously tested the head on his ...

Where we have 45° imagery available, the imagery will switch from an overhead to 45° angle as you zoom all the way in. You can then pan smoothly across the map to get a richer view of the area.

Google's new 45-degree satellite imagery in select cities arrives the same day that Apple Chief Executive Tim Cook publicly apologized for the Maps application in iOS 6. The CEO not only ...