A small gap with big importance in the performance and health of an engine - here's everything you need to know.

Toyota Motor Corp.has issued a recall notice for model year 2006-2008 GS, IS, and LS models that may have foreign material contaminating their engines' valve springs. A total of 138,874 units powered ...

Toyota had just managed to settle the recall waters a little bit last month, when its premium division Lexus debuted a recall for 17,000 HS 250h hybrid vehicles that were suspected of having a fuel ...

We first reported about this issue last week, and now it's official: Toyota Motor Corp. is recalling 138,874 Lexus-badged vehicles powered by its 4.6-liter and 5.0-liter V-8 engines, as well as its ...

We're always on the lookout for new stuff, so when information on Comp Cams dual conical valve springs came across our desk, we were eager to take a look. Comp introduced these dual conical springs in ...

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

What is the most overlooked factor—other than restrictive rules—holding modern racing engines back, preventing them from reaching their full potential? If your answer is "cylinder heads," "connecting ...

The automotive applications of titanium and its alloys follow logically from high strength, low density and, low modulus, and they have excellent resistance to corrosion and oxidation. Titanium is ...