Boiling with rage because a small engine just won’t fire up? In the first of a two-part series, Andrew Pearce and Stihl’s technical services trainer Mark Hellewell offer basic troubleshooting tips.

If you've been following along, you've seen that during our recent "downtime" we've taken the opportunity to get our 1964 "GMC" back on the road. To be fair, it has quite literally always run. When we ...

From the archives: Using a stash of parts and an old set of AFR 227 heads, see how this small-block combo got every last bit of power. To celebrate HOT ROD's 75th anniversary, we teamed up with ...

While the 5.3L LS4 V8 was the first car engine to feature Active Fuel Management (cylinder deactivation) technology, it was not Flex Fuel capable and did not have variable valve timing. As mentioned, ...