Any Chevy engine, if it's well-modified or just slightly warmed-over, requires a good set of valve seals. Originally, a small rubber O-ring, fitted in the second valve stem groove, served as the ...

We used both steel (test No.1) and titanium (test No. 2) valve retainers, along with 3/8-inch steelvalves and steel valve locks. We ran the engine up to 7,000 rpm andwatched what happened.

Number of vehicles affected: 1,207. The fix: GM will notify owners and dealers will replace the spark plug wire retainer to redirect the dripping oil. Vehicles equipped with the 3.8L V6 ...

The most promising of these applications include suspension springs and engine components such as valves, valve springs and valve retainers. The technical advantages offered by the use of titanium ...